Why do wet clothes take longer to dry on a humid day?.

Answers

Answer 1

On a humid day the air is full of water vapour. Hence, evaporation is very slow. This is the reason why wet clothes take longer time on a humid day.

What is the affect of humidity on evaporation ?

On a humid day, wet clothes take longer to dry because the air has a lot of water vapour and can't hold the water vapour the wet garments produce.

The term "humidity" refers to the quantity of water molecules in the atmosphere. A wet object dries more slowly the more humid the air is around it. Going back to our wet clothing that we have hung up to dry, they will dry faster in a room with dry air than they will in a room with humid air.

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How do electromagnetic waves transfer energy without a medium?.

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Since em waves are not conveyed by that of the vibration of electrons, they do not need a medium to travel. Electrical and magnetic fields, that could exist anywhere, oscillate, creating waves.

What do you mean by Electromagnetic waves?

The oscillations here between electrostatic potential and a magnetic field produce waves known as electromagnetic waves, or EM waves. In other words, magnetism fields oscillate to form electromagnetic (EM) waves.

Electromagnetic waves, where are they?

In contrast to wave propagation, electromagnetism waves can travel without a medium. This implies that microwaves can pass not only through stationary surfaces like air and rock but also through empty space.

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How often should temperature probes be checked?.

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The temperature probes should be checked every 12 hours

Accurate temperature measurement is critical for ensuring the food safety, from food processing plants to the restaurants and cafés. There are many types of thermometers that are available for use in the commercial kitchens, the most common of which is the probe thermometer, which is also known as a bi-couple thermometer. Probe thermometers measure the internal temperature of food through a metal stem.

Thermometers are one of the most important tools in your food business's toolbox and they require proper calibration to verify the accuracy of the reading. Thermometer calibration means that there is checking that your thermometer is working correctly, and making adjustments if it is not.

The calibration method and the frequency of calibration depends on the type of thermometer and its intended use. As a general rule, probe thermometers should be calibrated at the start of each shift, in between going from one temperature range to another, after being knocked or dropped and/or after a long storage time. here are two common calibration methods for probe thermometers — hot calibration and cold calibration.

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Does an acid produce protons?.

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Here, the ability to donate protons as hydrogen ions is the definition of an acid, whereas the ability to accept protons is the definition of a base.

Because these substances can give or release a hydrogen ion, acids are regarded as proton donors in accordance with the Bronsted-Lowry Theory. Continue reading for the complete response. Because hydrogen only has one proton, it donates that proton to the other substance if the bond holding the hydrogen to the acid is broken but the electron is left behind. A molecule in addition to water is required for an aqueous solution to be acidic or basic. Acidic molecules are those that increase the concentration of free protons in a solution; bases are those that bind to free protons and pull them out of solution to change a solution's pH.

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when diffusion has reachedequilibrium, we say thatthenetmovement of the molecules is zero. does this mean these molecules below would stop moving?

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When diffusion has reached equilibrium, we say that the net movement of the molecules is zero. But, the small or insignificant number of molecules are still moving.

When diffusion has reached to the equilibrium state, most of the molecules stop moving from higher concentration to lower concentration region. Some negligible molecules are still continue to move due to the Brownian motion.

When net movement of the molecule is zero, the majority of the molecules have stopped moving at that time and not all the molecules. But the small movement of molecules are still occuring.

Therefore, when diffusion has reached equilibrium, we say that the net movement of the molecules is zero. But, the small or insignificant number of molecules are still moving.

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What types of materials are best for preventing heat transfer through convection?.

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Making small bubbles around the jar using insulators with plenty of air pockets, such bubble wrap, cloth, or wool, is one method of decreasing convection.

A material? What would you mean by that?

The term "material" describes something that is used to create another item. Cloth or any other item formed of matter that exists throughout the physical world can be referred to as material. As just a noun and also an adjective, "material" has several more meanings.

What kinds of materials are there?

Metals, polymers, plus ceramics are the three main categories of materials. Steel, fabric, and ceramics are a few examples of them. These classes often have quite distinct origins, traits, and uses.

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what changes occur in the blood ph during hyperventilation? match the words in the left column to the appropriate blanks in the sentence on the right. resethelp hyperventilation blank the co2 concentration in the blood, which blank the [h2co3] , which in turn blank the [h3o ] and blank the blood ph.

Answers

An increase in pH results from the matching drop in H3O+ concentration.

What does pH stand for?

a method for calculating whether basic or acidic something is. The pH scale has numbers 0 through 14. On this scale, an pH level = 7 is regarded as neutral, indicating it is neither acidic nor basic. If the pH is less than 7, it is more acidic, and if the pH is greater than 7, it is more basic.

How does pH formula work?

The equation to calculate ph pH of such an aqueous solution on the basis of hydroxide ion concentration is: pH=−log[H3O+] pOH: The following equation can be used to calculate an aqueous solution's pOH, which is correlated with pH: pOH=−log[OH−].

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What food hazard must be removed during preparation of raw fish fillet?.

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Pin bones which are present in the raw fish fillet is a major food hazard and it needs to be removed during the preparation of food. This makes the food more eatable food the customers.

What are food hazards?

Food hazards occur when the food is exposed to hazardous agents that results into contamination of the food. Food hazards are of different types such as nutritional or biotechnology-related.

Food hazards include microbiological hazards which include bacteria, yeasts, and viruses, hemical hazards, physical hazards, and allergens.

Food hazards which should be removed include pin bones in a fish fillet or the complete removal of pits from cherries or olives. Customers will be pleased with the efforts when they don't find any hazard in the food.

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what term refers to the amount of a substance a person ingests, inhales, or absorbs through the skin?

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Dose refers to the amount of a substance a person ingests, inhales, or absorbs through the skin.

What is a dose?A dosage is the quantity of a drug that is ingested or comes into contact with a person. Body weight is a crucial factor to consider when assessing a dose. A youngster, who typically weighs less than an adult, may have more effects if exposed to the same amount of chemical.Children are typically given smaller doses of medications than adults, such as aspirin, because an adult dose would be inappropriate for a child's size.The likelihood of adverse health effects increases with the amount of a substance to which a person is exposed. A drug that is generally safe in small doses might be hazardous in large ones.For instance, two aspirin tablets can ease a headache, but consuming the entire bottle of aspirin can result in stomach ache.

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Write a balanced half-reaction describing the reduction of aqueous vanadium(v) cations to solid vanadium.

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Thale balanced half-reaction of aqueous Vanadium to solid Vanadium is  

V⁵⁺ + 3e- → V(s)

The reduction of vanadium(V) cations to solid vanadium involve the transfer of three electrons to vanadium cations, leading to a net reduction of the cations. Vanadium is a transition metal and is located in the fifth period of the periodic table.

Due to its electron configuration, vanadium has five valence electrons and can form five covalent bonds with other atoms. In the aqueous form, vanadium(V) cations have a charge of +5, which is due to the five electrons that it has lost.

In order for the reduction of vanadium(V) cations to solid vanadium to take place, three electrons must be transferred to the vanadium cations. This results in a balanced half-reaction, which can be written as

V⁵⁺ + 3e- → V(s)

The three electrons that are donated to the vanadium cations reduce the cations from a +5 charge to a neutral charge, resulting in the formation of solid vanadium.

The reduction of vanadium(V) cations to solid vanadium is an important process in many industrial and chemical applications.

Vanadium is often used to produce alloys and is used in the production of steel. It is also used as a catalyst in the production of sulfuric acid and is used in the production of dyes and inks.

The reduction of vanadium(V) cations to solid vanadium are also important in biological systems, as vanadium is an essential trace element for some organisms.

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Change in concentration Procedure Observation Initial color of the CuSO4 solution light blue Color of the solution after NH3 is added dark violet Color of the solution after adding HCI light blue /clear a) Write the equation for the equilibrium is established (net ionic reaction) when CuSO4 is mixed with NH3: + at ( dy & spi Cu 2+ (aq) + 4NH₃ lag) [Cu(NH3)4] (aq) b) Which direction did the equilibrium shift when NH3 was added to CuSO4? Describe the type of stress this applied to the equilibrium in equation (a) and how the observed shift relieves that stress.

Answers

The equation for the equilibrium is established (net ionic reaction) when  CuSO₄  is mixed with NH₃:

Cu²⁺  +  4NH₃   --->   Cu(NH₃)₄²⁺

initial color of CuSO₄ = light blue

color of solution after adding NH₃ = dark voilet

color after adding HCl = light blue.

the molecular equation is given as :

CuSO₄ + 4NH₃ ---->   Cu(NH₃)₄  +  SO₄

complete ionic equation is given as :

Cu⁺  +  SO₄²⁻  + 4NH₃  ---->   Cu(NH₃)₄  +   SO₄²⁻  

cancel out the spectator ions, we get the net ionic equation as follows:

Cu²⁺  +  4NH₃   --->   Cu(NH₃)₄²⁺

Thus, The net ionic equation for the equilibrium is when is  CuSO₄ react with NH₃  wil gives : Cu²⁺  +  4NH₃   --->   Cu(NH₃)₄²⁺

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Argon is a noble gas.
Explain why no product is formed when magnesium and argon are heated together.
[2 mark

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Argon is a noble gas. argon no product is formed when magnesium and argon are heated together because argon is extremely stable.

The argon is a noble gas. noble gases are extremely stable. the noble gases have their octet complete and follow the octet rule.   the outermost shell in the argon atom have the eight electron that eight valence electrons and it is fulfilling the  octet rule. this means they have very little little tendency to gain or loss the electrons and they are very unreactive.

Thus, Argon is a noble gas. argon no product is formed when magnesium and argon are heated together because argon is extremely stable.

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Suppose that an element is known to be among the first four elements in a list of 32 elements. Would a linear search or a binary search locate this element more rapidly?.

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Linear search will locate the element more rapidly as compared to binary search.

A linear search will start by looking for an element in the first element, then move on to the second, third, and so forth. The linear search technique may use no more than 4 iterations because it is known that the element is one of the first 4 items.

The set will be split in half using a binary search, which will then determine which side contains the element. Then it divides that portion of the set into two again, checks to see if the element is present in each half, and so forth.

Since the list has 32 elements, the first iteration of the list has 16 elements, the second iteration has 8, the third has 4, the fourth has 2, and the fifth iteration has 1 element (the element in which we are interested). Thus, the binary search algorithm needs 5 iterations.

Since binary search needs five iterations and linear search only needs four, linear search will locate the element more quickly.

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calculate the wavelength of the light emitted when an electron in a hydrogen atom makes each of the following transitions.

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The wavelength of emitted light is calculated as (a) is 122 nm, (b) is 103 nm, (c) is 486 nm, and for (d) is 434 nm.

What is Rydberg´s equation?

The Rydberg formula is mathematical formula for evaluating wavelength of light emitted by electron moving between the energy levels of an atom.

We can find out the wavelength emitted in the hydrogen atom electron transitions using Rydberg´s equation.

using, 1/λ = Rh x ( 1/n₁² - 1/n₂² )

where  λ is wavelength;        

Rh is Rydberg´s constant 1.097 x 10⁷/m;

n₁, n₂ are the principal quantum numbers                  

a.) Given, n₁ = 1 and n₂ = 2

1/λ = 1.097 x 10⁷/m  x ( 1/1² - 1/2² )  = 8.228 x 10⁶ / m

Taking inverse on both sides :

λ = 1 /8.228 x 10⁶ /m = 122 nm

b.) Given, n₁ = 1 and n₂ = 3

1/λ = 1.097 x 10⁷/m  x ( 1/1² - 1/3² ) = 9.751 x  10⁶ / m                                                

λ = 1 /9.751 x 10⁶ /m  = 103 nm

c.)  Given, n₁ = 2 , n₂ = 4

1/λ = 1.097 x 10⁷/m  x ( 1/2² - 1/4² ) = 2.057 x 10⁶ / m

λ = 1 /2.057 x 10⁶ /m  = 486 nm

d.) Given, n₁ = 2 , n₂ = 5

1/λ = 1.097 x 10⁷/m  x ( 1/2² - 1/5² ) = 2.304 x 10⁶ / m

λ = 1 /2.304 x 10⁶ /m = 434 nm

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Note: The question on portal is incomplete. Here is the complete question.

Question: Calculate the wavelength of the light emitted when an electron in a hydrogen atom makes each of the following transitions.

a. n = 2 --> n = 1 ?

b. n = 3 --> n = 1 ?

c. n = 4 --> n = 2 ?

d. n = 5 --> n = 2 ?

What are examples of bulk properties?.

Answers

For instance, even if a chunk of copper may carry electricity, a copper atom cannot. Bulk qualities are characteristics brought about by several atoms, ions, or molecules cooperating.

What would be the best way to define a bulk property?

The terms "bulk property" refer to either I any multiple-unit residential structure ("MDU") where all of the residences have access to the service, or (ii) anything non residential parcel of land .

What are the bulk properties of biomaterials' general properties?

However, a biomaterial's chemical properties, such as reactivity, electronegativity, biodegradability, chemical stability, acidity/basicity, are also determined. Physical bulk properties of a biomaterial include density, fracture toughness, melting and otherwise boiling heating rate, solubility, electrical conductivity, and strength.

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TRUE/FALSE. most commonly known for its ability to bind to oxygen, iron also plays the important role of acting as a to many enzymes in numerous oxidation-reduction reactions.

Answers

Cofactor most commonly known for its ability to bind to oxygen, iron also plays the important role of acting as a to many enzymes in numerous oxidation-reduction reactions.

What does the chemical term "reaction" mean?

Chemical processes occur when atoms form or break chemical bonds. The molecules that start a chemical are known as reactants, and the compounds which are generated as the result of reaction are known as products.

A physical reaction is what?

A physical response is a reaction that modifies the physical characteristics of an item or material Physical characteristics encompass items like mass, volume, etc density.

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Does lithium lose 1 electron?.

Answers

Yes lithium lose 1 electron in order to get stable electronic configuration

What is Electron ?

Negatively charged subatomic particles called electrons can be free or bound to an atom.

Each lithium atom loses an electron to become a Li+ cation as it creates chemical compounds with other elements. The anions in ionic compounds that are negatively charged are therefore attracted to these. There are several applications for lithium compounds.

In order to adopt the electron configuration of helium, the closest noble gas, lithium has a tendency to lose one electron, leaving it with two valence electrons. Atoms can fulfil the octet rule in two different ways. By trading valence electrons with other atoms, for example.

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the electron configuration of an atom tells us how many electrons are in each orbital for example helium has two electrons in teh 1s orbital therefore the electron configruation of he is 1s2

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A neutral nickel atom's electronic configuration is [Ar]3d^84s^2, and an oxide ion's electronic configuration is [He]2s^22p^6. The arrangement of an element's electrons is described.

In its atomic orbitals, the electrons are dispersed. Atomic electron configurations are stated using a standard notation that arranges all electron-containing atomic subshells in a list order, with the number of electrons each shell can house written in superscript.

Nickel possesses 28 electrons because of its atomic number of 28. As a result, [Ar]3d^84s^2 is supplied as the neutral atom's electrical configuration in condensed form.

While O2 has 10 electrons, oxygen has an atomic number of 8.

The electronic arrangement will therefore be [He]2s^22p^6.

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The complete question is -

The electron configuration of an atom tells us how many electrons are in each orbital. For example, helium has two electrons in the 1s orbital. Therefore the electron configuration of He is 1s2. What is the ground-state electron configuration of a neutral atom of nickel? Express your answer in condensed form, in order of increasing orbital energy. For example, [He]2s22p2 would be entered as [He]2s^22p^2

part b:What is the ground-state electron configuration of the oxide ion O2−?

1.28 how many moles of permanganate are required to oxidize one mole of toluene to benzoic acid? (use and protons to balance the equation.)

Answers

Two moles of permanganate are required to oxidize one mole of toluene to benzoic acid.

Toluene is oxidized to benzoic acid by using alcoholic potassium permanganate. In neutral medium hydroxide ions are produced. This reduces cost of adding acid or base.

The following reaction shows the result

  C6H5CH3 + 2MnO3 = C6H5COO- + 2MnO2 + H2O +OH-

Alcohol and KMnO4 are both polar and homogeneous to each other. Toluene and alcohol are homogeneous as they are organic. Thus, in alcohol the rate of reaction between toluene and KMnO4 is higher.

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FILL IN THE BLANK. The following thermochemical equation is for the reaction of carbon monoxide(g) with water(l) to form carbon dioxide(g) and hydrogen(g). CO(g) + H2O(l) CO2(g) + H2(g)H = 2.80 kJWhen 9.83 grams of carbon monoxide(g) react with excess water(l),_______________ kJ of energy are___________ ( absorbed or evolved

Answers

Energy is absorbed when 9.83 grams of carbon monoxide (g) react with extra water (l).

What does a scientific energy mean?

The capacity to exert a force that causes an item to move is what is meant by the definition of energy as the "power to accomplish work."Energy is just the force that propels objects, regardless of how ambiguous the term may be. The two types of energy are kinetic and potential energy.

Who established the term "energy"?

The term "energy" was initially used in the field of physics by Thomas Young (1773–1829), illustrated on the right, but it did not catch on

.To demonstrate that light is a wave, Thomas Young later utilized interference experiments.

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watch the video on the explosive decomposition of nitrogen triiodide, ni3 , and determine which of the following statements are correct.

Answers

This enthalpy ion NI3 is higher than just the enthalpy of breakdown products, which is the right assertion.

What does biology mean by decomposition?

Dead creatures are broken down into their basic chemicals through the process of decomposition by bacteria and fungus. The cycle can be completed by plants absorbing and using these substances once more. Because of how they decompose dead organic stuff, decomposing bacteria and fungus are referred to as saprophytic.

With an example, describe the decomposition process.

Documenting all of the semi and tasks that build up a higher-level work processes is a method known as process decomposition. Consider a task that might appear to be straightforward, such as processing an invoice.

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The complete question is-

Watch The Video On The Explosive Decomposition Of Nitrogen Triiodide, NI3, And Determine Which Of The Following statements are correct.

(a) The enthalpy of NI3 is greater than the enthalpy of the decomposition products.

(b) The decomposition of NI3 is an exothermic reaction.

(c) In this reaction, iodine is produced as one of the products.

(d) NI3 is a highly stable compound when it is dry.

(e) In this reaction, heat is absorbed from the surroundings.

1) 25.00 mL of .200 M HNO2 is titrated to its equivalence point with 1.00 M NaOH. What is the pH at the equivalence point?
2) What is the pH at the equivalence point when 50.00 mL of a .150 M solution of acetic acid (CH3COOH) is titrated with .10 M NaOH to its end point?
3) A 25.0 mL sample of a .290 M solution of aqueous trimethylamine is titrated with a .363 M solution of HCl. Calculate the pH of the solution
a) after 10.0 mL of acid have been added:
b) after 20.0 mL of acid have been added:
c) after 30.0 mL of acid have been added:
*pKb of (CH3)3N=4.19 at 25 degrees C.11
4) Your job is to determine the concentration of ammonia in a commercial window cleaner. In the titration of a 25.00 mL sample of the cleaner, the equivalence point is reached after 16.81 mL of .135 M HCl has been added. What is the
a) initial concentration of ammonia in the solution?
b) pH of the solution at the equivalence point?

Answers

The pH of water indicates how acidic or basic it is.

How to find pH value?

1. The moles of equivalence of sodium hydroxide and nitrous acid are as follows:

nNaOH = nHNO₃

             = 25.00 x .200

             = .005 mol

The added base has a volume of 5.00 mL.

Nitrogen dioxide has a mole of 0.005 and a volume of 30 mL at the equivalence point.

Nitrogen dioxide's molar concentration will be 0.167 M.

The base dissociation constant is calculated using the ICE table as follows:

Kw = Ka x Kb

Kb = 1 x 10⁻¹⁴ / 4.6 x 10⁻¹⁴

= 2.174 x 10⁻¹¹

The base's ionization constant is given as,

Kb = [ HNO₂] [ OH⁻] / [NO₂⁻]

2.174 X 10⁻¹¹ = x² / 0.167 - x

                    = 1.905 x 10⁻6

pOH is now calculated as follows:

pOH = -log[OH⁻]

         = -log(1.905 x 10⁻⁶)

          = 5.72

The titration's pH is calculated as follows:

pH + pOH = 14

pH = 14 - 5.72

= 8.27

As a result, the pH is 8.27.

2. Given,

The acetic acid volume = 50.0 mL

The molarity of acetic acid = 0.150 M

The molarity of NaOH = 0.10 M

HA + H2O ⇆ A- + H3O+

Initial concentration is :

[HA] = 0.150 M

[A-] = 0M

[H3O+] = 0M

Concentration at equilibrium

[HA] = 0.150 - x M

[A-] = xM

[H3O+] = xM

Ka = [H3O+][A-] / [HA] = x²/(0.150 -x) = 1.76*10^-5

0.150 >>> x

x²/(0.150) = 1.76*10^-5

x² =0.00000264

x = 0.00162

[H3O+] = 0.00162 M

pH = -log [H3O+] = -log (0.00162) = 2.79

3. a) by adding 10 mL of HCl

moles of (CH3)3N = molarity * volume

                                                               = 0.29 m * 0.025 L

                                                                = 0.00725M moles

moles of HCl = molarity * volume

                                                         = 0.3625 m * 0.01L

                                                         = 0.003625 moles

moles of (CH3)3N remaining    = moles of (CH3)3N - moles of HCl

                                                        = 0.00725 - 0.003625

                                                        = 0.003625 moles

the total volume = 0.01 L + 0.025L = 0.035 L

[(CH3)3N] = moles remaining / total volume

                  = 0.003625 moles / 0.035L

                   = 0.104 M

pKb = - logKb

4.19 = -logKb

Kb = 6.5 x 10^-5

Kb = [(CH3)3NH+] [OH-] / [(CH3)3N]

by using ICE table :

[(CH3)3NH+] = X & [OH] = X

[(CH3)3N] = 0.104 -X

By substituting:

6.5 x 10^-5 = X^2 / (0.104-X)  by solving for X

X = 0.00257 M

[OH-] = X = 0.00257 M

POH = -log[OH]

          = -log0.00257

          = 2.5

PH = 14 - POH

        = 14 - 2.5

        = 11.5

b) by adding 20ML of HCL:

The moles of HCl = molarity * volume

                      = 0.3625 m * 0.02 L

                      = 0.00725 moles

The neutralization  of (CH3)3N we make 0.003625 moles of (CH3)3NH+ So, now we need the Ka value of (CH3)3NH+:

When total volume = 0.02L + 0.025 = 0.045L

∴ [ (CH3)3NH+] = moles / total volume

                         = 0.003625 / 0.045L

                         = 0.08 M

When Ka = Kw / Kb

Here, Kb = 6.5 x 10^-5 & we know that Kw = 1 x 10^-14

By substitution:

Ka = (1 x 10^-14) / (6.5 x 10^-5)

   = 1.5 x 10^-10

Ka expression = [(CH3)3N][H+] / [(CH3)3NH+]

By substituting:

1.5 x 10^-10 = X^2 / (0.08 - X)  solving X

X = 3.5 x 10^-6  M

[H+]= X = 3.5 x 10^-6 M

The PH = -log[H+]

       = -log(3.5 x 10^-6)

      = 5.5

C) by adding 30ML of HCl:

The no : of moles HCl = molarity * volume

                      = 0.3625m * 0.03L

                      = 0.011 moles

The moles of (CH3)3N neutralized = 0.003625 moles

The no : of moles of HCl remaining    = moles HCl - moles (CH3)3N neutralized

                                               = 0.011moles - 0.003625moles

                                               = 0.007375 moles

Therefore total volume = 0.025L + 0.03L

                               = 0.055L

The [H+] = moles / total volume

          = 0.007375 mol / 0.055L

           = 0.134 M

Therefore the PH = -log[H+]

       = -log 0.134

       = 0.87

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What are the six required elements of a product label?.

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The six required elements of product label are product identifier, signal word, hazard statements, precautionary statements, supplier information and pictograms.

This component of the product label is typically placed in the top left-hand corner of the label, and it identifies the hazardous chemical or ingredient that is in this product. It can state the name, code number, or batch number. This allows for the chemical to be confidently identified.  A signal word is used to notify the severity of the hazard. There are only two words that might hold this place on the label: “Danger” or "warning". Hazard statements describe the degree of danger and potential symptoms, should there be direct contact with the chemical. The prevention statement instructs the user on how to minimize exposure . The response statement describes the procedure might you be exposed to the chemical. Supplier information includes contact information such as name, address, and phone number of the chemical manufacturer, supplier, or importer in which you got the chemical from. Pictograms are comprised of a hazard symbol with a red border to visually illustrate specific hazards of the chemical, making this a universally readable label.

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how many atoms of co2 are made from glucose after metabolism by glycolysis, pyruvate processing, and the citric acid cycle

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CO₂ are made from glucose after metabolism by glycolysis are 2 molecules.

CO₂ are made from glucose after metabolism by pyruvate processing are 2 molecules.

CO₂ are made from glucose after metabolism by citric acid cycle are 2 molecules.

Carbon atoms come into the citric acid cycle from every acetyl institution, representing four out of the six carbons of 1 glucose molecule. Two carbon dioxide molecules are launched on each turn of the cycle; but, these do no longer necessarily include the maximum currently delivered carbon atoms.

Two carbons are released as carbon dioxide out of the six firstly found in glucose.

The glycolysis will yield  pyruvate molecules to be able to oxidize to produce acetyl Coenzyme A. Oxidation of 1 pyruvate molecule releases one carbon dioxide molecule; therefore, two molecules will produce  carbon dioxide molecules.

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explain why steam distillation is able to distill limonene at a lower bp than limonene typically has.

Answers

It cannot be soluble in steam distillation so it was done in distill limonene at a lower bp than limonene.

What is steam distillation?

Saturated or superheated steam is utilized as a separation and energy agent in the steam distillation process to recover volatile chemicals with high boiling points from inert and complicated solid or liquid matrices.

What is distill limonene?

The primary ingredient in citrus fruit peel oil is limonene, a colorless liquid aliphatic hydrocarbon that is categorized as a cyclic monoterpene. The D-isomer is used as a flavouring ingredient in food production and is more frequently found in nature as the orange scent.

After steam distillation, the limonene may be separated from the distillate because it is not soluble in water.

Therefore, it cannot be soluble in steam distillation so it was done in distill limonene at a lower bp than limonene.

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Predict what would happen to the h+ ion concentration if you added sulfuric acid to water. Would the ph increase or decrease?.

Answers

On adding sulfuric acid to water h+ ions are produced, increasing the concentration of hydrogen ions in the solution which results in a decrease in the pH of the solution.

Concentration is a totally commonplace idea utilized in chemistry and associated fields. It's far the degree of the way an awful lot of a given substance there may be combined with some other substance.

The concentration of an answer is the degree of the amount of solute that has been dissolved in a given amount of solvent or solution. A concentrated solution is one that has a fantastically large amount of dissolved solute.

In chemistry, concentration refers to the quantity of a substance in a defined space. Any other definition is that attention is the ratio of solute in a solution to either solvent or overall answer.

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What is the purpose of coefficients in a chemical equation quizlet?.

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In a chemical equation, coefficients serve the function of displaying the ratio in which reactants and products interact to produce a chemical reaction.

What does the word coefficient mean in science?

In mathematics and science, coefficients are constant expressions that relate to a product's properties. For instance, the coefficient is the only constant in the friction calculation equation.

The definitions of coefficient and subscript

Coefficients are necessary for balancing equations. They are given a number before compounds or elements. Subscripts, which come after an element's symbol, are used to indicate the element's number. If an element symbol is followed by a subscript, the "2" in H2O stands in for two H atoms.

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Draw the product formed when cyclohexene is reacted with h2 in the presence of pt.

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Cyclohexene is a hydrocarbon with the chemical formula C₆H₁₀. This cycloalkene is a colorless liquid with a pointy scent. It's miles an intermediate in various industrial procedures. Cyclohexene isn't always very solid upon long-time garage with exposure to light and air because it forms peroxides.

Cyclohexane is an alicyclic hydrocarbon comprising a ring of six carbon atoms; the cyclic shape of hexane is used as a raw cloth within the manufacture of nylon.

Cyclohexene is used in a numerous variety of chemical syntheses. It's miles a building block that is utilized in Pharma, (eg, Clidanac, MK 346, Trandolapril, and Agchems which includes Propargite.

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using your results, calculate the relative reactivities of each type of hydrogen (on c-1, c-2, c-3 and c-4) in 1-chlorobutane toward chlorination. take the c-4 hydrogen reactivity to be 1.00. (refer to the example on the pre-lab page.)

Answers

The relative reactivities of each type of hydrogen (on c-1, c-2, c-3, and c-4) in 1-chloroquine toward chlorination is 0.9017 for C₂.

Depends upon the reactivity at that particular site. So, we can say that yield and reactivity are directly proportional to each other.

Mathematically we can say that:

The yield of product at that site = Reactivity at the site

In the question, the chlorination reaction of 1-chloroquine is give

The yield of the product by chlorination at Cs = 25.8%

So, we can say that 25.8 % of 1,4-dichlorobutane is formed when reactivity toward C4 is 1.

For 1,4-dichlorobutane equation (i) can be written as:

25.8 % yield = 1 reactivity

Reactivity at C: for 1,1-dichlorobutane

where even 5.45%

Now to make LHS of (ii) to 5.45 firstly divide both sides by 25.8 and then multiply by 5.45.

25.8 % yield = 1 reactivity

Divide by 25.8-bit sides :

25.8/25.8 % yield = 1/25.8 reactivity

1% yield = 0.0387 reactivity

multiply both sides by 5.4!

5.45 X 1% yield = 5.45 X 0.0387 reactivity

5.45 % yield = 0.2112 reactivity

So reactivity at C, toward chlorination is 0.2112

Reactivity at C2 for 1,2-dichlorobutane

where yield is given at 23.3 %

Now to make LHS of (i) to 23.3 firstly divide both sides by 25.8 and then multiply by 23.3.

25.8 % yield = 1 reactivity

Divide by 25.8-bit sides

25.8/25.8 % yield = 1/25.8 reactivity

1% yield = 0.0387 reactivity

multiply both sides by 23.3:

23.3 X 1% yield = 23.3 X 0.0387 reactivity

23.3 % yield = 0.9017 reactivity

So reactivity at C2 toward chlorination is 0.9017.

Reactivity at C3 for 1,3-dichlorobutane

where yield is given at 46.1%

Now to make LHS of (i) 46.1 firstly divide both sides by 25.8 and then multiply by 46.1.

25.8 % yield = 1 reactivity

Divide by 25.8-bit sides

25,8/25.8 % yield = 1/25.8 reactivity

1% yield =

multiply both sides by 46.1:

46.1 X 1% yield = 46.1 X 0.0387 reactivity).0387 reactivity

46.1 % yield = 1.7841 reactivity

So reactivity at Cs toward chlorination is 1.7841.

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Determine the theoretical yield of H2S (in moles) if 16 mol Al2S3 and 24 mol H2O are reacted according to the following balanced reaction. A possibly useful molar mass is Al2S3 = 150.17 g/mol. Al2S3(s) + 6 H2O(l) → 2 Al(OH)3(s) + 3 H2S(g)

Answers

The theoretical yield of H2S will be 8 moles.

Al2S3 is in excess, thus the quantity of H2O (limiting reagent) will be used for calculation.

Al2S3(s) + 6H2O(l) --> 2Al(OH)3(s) + 3H2S(g)

……………..6 moles…………………………3 moles

……………..16 moles………………………..x

x=  H2S  (theoretical yield)

A mole is a very essential unit of size that chemists use. A mole of something way you have got 602,214,076,000,000,000,000,000 of that aspect, like how having a dozen eggs means you've got twelve eggs. Chemists have to measure the use of moles for very small such things as atoms, molecules, or other particles.

The mole is the amount of substance of a gadget that incorporates as many elementary entities as there are atoms in zero.

There are four commonplace styles of moles: congenital moles, dysplastic nevi, obtained nevi, and spitz nevi. under are the differences among each. The quantity of moles method is the number of moles = Mass of substance / Mass of 1 mole. Variety of moles = 95 / 86.94.

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kauffman (2004) discusses several reasons why students with emotional and behavioral disorders are being under-identified in schools. which of the following is not one of those reasons?

Answers

One of those explanations is that students are not demonstrating emotional and behavioral problems at school.

When compared to other disability groups, students with emotional and behavioral problems (EBD) are more likely to fail academically and have bad post-school outcomes. To create resilience, it is critical to discover how to boost protective factors for students with EBD.

Behavioral disorders are characterized by a pattern of disruptive behaviors in children that lasts at least six months and causes issues at school, at home, and in social interactions. Almost everyone exhibits some of these behaviors on occasion, but behavior disorders are more problematic.

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