For the production of an ester having molecular formula
11
O
the two reactants involved are

For The Production Of An Ester Having Molecular Formula11Othe Two Reactants Involved Are

Answers

Answer 1

The production of the ester CH3COOCH2CH3 typically involves the reaction between acetic acid (CH3COOH) and ethanol (CH3CH2OH) in the presence of a catalyst, typically sulfuric acid (H2SO4) or a strong acid ion exchange resin. The reaction can be represented, by the help of following equation:

CH3COOH + CH3CH2OH → CH3COOCH2CH3 + H2O

How does the water molecule formation takes place in this reaction?

In this reaction, the -OH group from the carboxylic acid (acetic acid) and the -OH group from the alcohol (ethanol) combine to form a molecule of water (H2O) while the remaining groups (CH3COO and CH3CH2) combine to form the ester CH3COOCH2CH3.

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Related Questions

Convert propane to butan 2 ol

Answers

To convert propane to butan-2-ol, follow a multi-step synthesis, which is specified below.

What is multi-step synthesis?

It is a chemical strategy where a series of chemical reactions are employed  to synthesize a desired compound from the provided substrate.

Here's how we can synthesize butan-2-ol from propane:

Oxidize propane to propanol: Propane can be oxidized to propanol (propan-1-ol) using an oxidizing agent like potassium permanganate or chromic acid.

                                         C₃H₈ + 2[O] → CH₃CH₂CH₂O

Dehydrate propanol to propene: Propanol can be dehydrated to propene (propylene) using an acid catalyst like sulfuric acid or phosphoric acid.

                                       CH₃CH₂CH₂OH → CH₃CH=CH₂+ H₂O

Hydrogenate propene to butane: Propene can be hydrogenated to butane using a hydrogen gas and a metal catalyst like platinum or palladium.

                                       CH₃CH=CH₂ + H₂ → CH₃CH₂CH₃

Oxidize butane to butanone: Butane can be oxidized to butanone using an oxidizing agent like potassium permanganate or chromic acid.

                                     C₄H₁₀+ 3[O] → CH₃COCH₂CH₃ + H₂O

Reduce butanone to butan-2-ol: Butanone can be reduced to butan-2-ol using a reducing agent like sodium borohydride or lithium aluminum hydride.

                                 CH₃COCH₂CH₃ + 2[H] → CH₃CH(OH)CH₂CH₃

So the overall reaction would be:

C₃H₈ + 5[O] + 2[H] → CH₃CH(OH)CH₂CH₃

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HELP I HAVE A PICTURE

Answers

A maritime tropical meeting a continental tropical, will produce this kind of weather.

What happens when maritime tropical meeting continental tropical?

When maritime tropical air masses meet continental tropical air masses, it can lead to the formation of weather patterns that can have significant impacts on the local and regional weather conditions.

Maritime tropical air masses are warm and humid air masses that form over the tropical and subtropical oceans, while continental tropical air masses are hot and dry air masses that form over land areas in the subtropics and tropics. When these two air masses meet, the warm, moist maritime tropical air rises over the denser, drier continental tropical air.

As the air rises, it cools and the water vapor in it condenses, leading to the formation of clouds and possibly precipitation. The amount and type of precipitation that forms depend on a variety of factors, such as the temperature and humidity of the two air masses, the strength and direction of the wind, and the topography of the land.

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This is a big one! Light travels 3,000,000 kilometers every ten seconds from the Sun to
the Earth. How fast is light in terms of kilometers per second (kps)? The average distance the Earth is from the Sun is 150,000,000 kilometers.

Answers

Light take 500 seconds to reach to the earth from the sun with the speed of 300,000 km/s.

What is light?

Light is a type of electromagnetic radiation that helps the human eye see and makes objects visible. It can also be referred to as radiation that the human eye can see. Photons, that are little energy packets, are present in light. Light moves in straight lines at all times.

Given,

In ten seconds, light travels 3,000,000 kilometers.

Therefore, the speed of light is:

3,000,000 km / 10 s = 300,000 km/s

There are 150,000,000 km between the Earth and the Sun on average. This means that light, traveling at a speed of 300,000 km/s, takes:

150,000,000 km / 300,000 km/s

= 500 seconds

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Which of the following is a physical property of both liquids and gases?
A) has its own shape
B) has a definite volume
C) has strong interactions between its particles
D) has randomly arranged particles
E) has large spaces between molecules

Answers

A physical property of both liquids and gases has randomly arranged particles.

What are particle called?

The smallest of particles are the subatomic particles, which refer to particles smaller than atoms. These would include particles such as the constituents of atoms – protons, neutrons, and electrons – as well as other types of particles which can only be produced in particle accelerators or cosmic rays.

How are particles formed?

Background. Subatomic particles are created naturally with sufficient energy, but many more types of particles are manufactured in high-energy particle physics experiments such as CERN. Most of the particles live for a fraction of a second, decaying to become other particles that are more common in the universe.

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need help on this and explain

Answers

Answer:

2AlCl3 to 3Cl2

Explanation:

This is balanced equation: 2AlCl3 + 3Br2 => 2AlBr3 + 3Cl2

with 2 Al, 6 Cl and 6 Br

So 2AlCl3 to 3Cl2

Suppose you added some solid potassium nitrate (KNO3) to a saturated solution of KNO3 at 20°C and then warmed the mixture to 40°C. What would happen to the added KNO3? What would happen if you repeated the procedure, except with sodium chloride (NaCl)?

Answers

If you added solid potassium nitrate (KNO3) to a saturated solution of KNO3 at 20°C and then warmed the mixture to 40°C, the added KNO3 would dissolve in the solution.

What is potassium nitrate?

The inorganic salt potassium nitrate has the chemical formula KNO3. It is a naturally occurring source of nitrate that has been utilised as a component in a variety of products, such as fertilisers, tree stump grinders, rocket propellants, and pyrotechnics.

What is the purpose of potassium nitrate?

Potassium nitrate is a crystalline (sand-like), clear, white, or colourless powder or solid with such a salty, pungent flavour. It is employed in the production of glass, rocket fuel, fireworks, fertiliser, explosives, and matches. Due to DOT's citation, potassium nitrate is included on the Hazardous Material List.

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Hydrogen gas (h2) and oxygen gas (o2) combine. Which change occurs that indicates a release of bond energy?(1 point).

Answers

The release of heat energy and the formation of water (H2O) indicate a release of bond energy.

What is heat energy?

Heat energy is the energy transferred between two objects or systems that have different temperatures. It is a form of energy that is created when molecules move faster, creating kinetic energy in the form of heat. Heat energy is transferred by conduction, convection, and radiation. Conduction is the transfer of heat energy through direct contact between two objects. Convection is the transfer of heat energy through the movement of a fluid, such as air or water. Radiation is the transfer of heat energy through electromagnetic waves. Heat energy is used in many applications, including cooking, heating, and power generation.

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python write a program that will search a list to find the first odd number. if an odd number is found, then find the last even number following the odd number. display the distance between the first odd number and the last even number. display -1 if no odd numbers are found or there are no even numbers following an odd number.

Answers

Python supports multiple programming paradigms, including structured, object-oriented and functional programming.

What is Python?

Python is a high-level and general-purpose programming language and it's design philosophy emphasizes code readability with use of significant indentation.

Python program that searches a list to find first odd number, then finds last even number following that odd number, and displays distance between them:

def find_odd_even_distance(lst):

   odd_found = False

   even_found = False

   odd_index = 0

   even_index = 0

    # Find first odd number

   for i in range(len(lst)):

       if lst[i] % 2 != 0:

           odd_found = True

           odd_index = i

           break

     # Find last even number following odd number

   for i in range(odd_index, len(lst)):

       if lst[i] % 2 == 0:

           even_found = True

           even_index = i

   # Display distance if both odd and even numbers are found

   if odd_found and even_found:

       distance = even_index - odd_index

       print(distance)

   else:

       print(-1)

To use this program, you can call find_odd_even_distance() function and pass in a list of integers as argument. For example:

my_list = [2, 4, 6, 7, 9, 10, 12]

find_odd_even_distance(my_list)  # Output: 3

my_list2 = [1, 3, 5, 7, 9]

find_odd_even_distance(my_list2)  # Output: -1

In the first example, program searches list [2, 4, 6, 7, 9, 10, 12] and finds  first odd number (7) and last even number following that odd number (10). The distance between them is 3, so  program outputs 3.

In the second example, program searches list [1, 3, 5, 7, 9] and finds no even numbers following first odd number (1), so it outputs -1.

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How many moles of nitrogen gas are produced when 36.0 g of NH4NO3 reacts?

Answers

The balanced chemical equation for the decomposition of NH4NO3 is:

NH4NO3(s) → N2(g) + 2H2O(g)

what is the molar mass of NH4NO3 ?

The molar mass of NH4NO3 is 80.04 g/mol, which means that 1 mole of NH4NO3 has a mass of 80.04 g.

To find the number of moles of N2 produced, we first need to determine how many moles of NH4NO3 are present in 36.0 g:

moles of NH4NO3 = mass / molar mass

moles of NH4NO3 = 36.0 g / 80.04 g/mol

moles of NH4NO3 = 0.4498 mol

According to the balanced equation, 1 mole of NH4NO3 produces 1 mole of N2. Therefore, the number of moles of N2 produced is also 0.4498 mol.

The balanced chemical equation for the decomposition of NH4NO3 is:

NH4NO3(s) → N2(g) + 2H2O(g)

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How many molecules are in 38.8g of C4H8O2?

Answers

Please Mark Brainliest Answer

To calculate the number of molecules in a substance, we need to know the mass of the substance and its molar mass, and use the Avogadro's number.

The molar mass of C4H8O2 can be calculated by adding the atomic masses of all the atoms in the molecule. The atomic masses of C, H, and O are approximately 12, 1, and 16 respectively. So,

Molar mass of C4H8O2 = (4 × 12.01 g/mol) + (8 × 1.01 g/mol) + (2 × 16.00 g/mol)

= 72.10 g/mol

Now, we can use the following formula to calculate the number of molecules in 38.8 g of C4H8O2:

Number of molecules = (mass of substance / molar mass) x Avogadro's number

where Avogadro's number is approximately 6.022 × 10^23 molecules per mole.

Substituting the values, we get:

Number of molecules = (38.8 g / 72.10 g/mol) x (6.022 × 10^23 molecules/mol)

= 1.03 × 10^23 molecules

Therefore, there are approximately 1.03 × 10^23 molecules in 38.8 g of C4H8O2.

Answered By Unish ©

Verified Answer ✅

Question attached Below;

Answers

Explanation:

X = liquid

K = 3.97 °C-kg-mol

T f = -0.10 °C

T f' = -1.80 °C

m = 750. g

m (KBr) = ?

The freezing point depression equation is:

ΔT f = K·m·i

where ΔT f is the freezing point depression, K is the freezing point depression constant, m is the molality of the solution, and i is the van't Hoff factor.

Since we are given the mass of liquid X (750 g), we can calculate the molality of the solution:

m = 750/M (X)

where M (X) is the molar mass of X. We are not given this value, so we must assume it to be 100 g/mol.

m = 750/100 = 7.50 mol/kg

We can now use the freezing point depression equation to calculate the mass of KBr:

ΔTf = K·m·i

-1.8 = 3.97·7.50·i

i = -1.8/29.78 = 0.060

The van't Hoff factor for KBr is 2, so the mass of KBr is:

m (KBr) = i/2 = 0.060/2 = 0.030 kg = 30.0 g (to 3 sig. figs.)

Consider a buffer solution consisting of 0.35 M HNO2 and 0.50 M KNO2, which has an initial pH of 3.30 (Ka for HNO2 = 7.1 x 10-4). If 0.030 mol of HCl are added to 1.0 L of this solution, select all the options that correctly reflect the steps required to calculate the change in pH.

Answers

A water solvent-based solution with a pH change of 3.24 is made up of a combination of a weak acid and the conjugate base of the weak acid

The simple buffer solution is what?

A simple buffer is a solution that combines a strong acid with a weak base in relatively high concentrations. These buffers are alkaline because their pH is higher than 7 at 298 K. Consider NH4OH and NH4Cl.

the operation of a buffer solution:

Buffer solutions maintain a constant pH by neutralizing extra acids or bases. These compounds consist of a weak acid and its conjugate base, which exchange protons and hydroxide ions to produce water.

pH = -log(7.1×10−4×0.380.47)7.1×10-4×0.380.47 = 3.24

[H3O+] = 7.1 x 10-4 x 0.380.47

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The table compares the type of reactants and products taking part in two chemical changes.

Which of the following statements correctly identifies the synthesis reaction and explains why?
Only chemical reaction X, because one reactant is a compound
Only chemical reaction Y, because both reactants are elements
Neither chemical reaction X nor Y, because they have only one product
Both chemical reactions X and Y, because there are two reactants and a single product

Answers

Both chemical reactions X and Y are possible because there are two reactants and one product in synthesis reaction

What is true about synthesis reaction?

When two or more reactants are present, a synthesis reaction produces a single product that is more complex than the initial reactants.

This kind of reaction is described by the general equation A + B = AB. Synthesis reactions are those in which two reactants combine to form a chemical. Synthesis reactions involve the chemical mixing of two or more substances to create a single compound or end product.

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What can scientists learn from the chemical isotopes in leftover shells of foraminifera about the climate at the time the foraminifera lived?.

Answers

They can learn many things for example how old is the earth how old were these animals and how climate change changed many things

Answer:

From the chemical isotopes in leftover shells of foraminifera, scientists can estimate the ocean's temperature and are able to determine the air's carbon dioxide content.

What are isotopes?

Isotopes are the elements which have same atomic number but different mass number. For example - Carbon has three isotopes- C-12, C-13, C-14

In the three isotopes of carbon, all three isotopes have six protons, but carbon-12 has six neutrons, carbon-13 has seven neutrons, and carbon-14 has eight neutrons. Hence, Mass number differs in case of isotopes.

Scientists can learn about the climate at the time the foraminifera lived by analyzing the chemical isotopes in their leftover shells. Estimation of the ocean's temperature based on the ratio of oxygen isotopes in the shells can also be done. The amount of carbon dioxide in the air at the time based on the ratio of carbon isotopes in the shells can also be calculated.

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Your question is incomplete, but most probably your full question was,

What can scientists learn from the chemical isotopes in leftover shells of foraminifera about the climate at the time the foraminifera lived?

a. They can calculate the amount of carbon dioxide in the air.

b. They can estimate the ocean's temperature.

c. They can calculate the amount of rainfall.

d. They can estimate the air temperature.

step 1: identify the molecular ion. first let's go over several mass spectrometry basics you will need to know in order to solve a mass spectrum. a. the original molecule that has lost an electron is called the . b. during fragmentation, what is generated? c. the largest peak in a mass spectrum is called the d. peaks observed on a mass spectrum are e. the molecular ion is .

Answers

The molecular ion by  letting go over several mass spectrometry basics are:

a. the original molecule that has lost an electron is called the parent ion.

b. during fragmentation, fragment ions are generated.

c. the largest peak in a mass spectrum is called the base peak.

d. peaks observed on a mass spectrum are mass-to-charge ratio (m/z) values plotted against their respective intensities.

e. the molecular ion is the peak corresponding to the intact parent ion, which represents the molecular weight of the original compound.

What are the  molecular ion?

The peak in the mass spectrum that represents the entire parent molecule (or molecular ion) of the substance under investigation is known as the molecular ion peak.

This peak serves as a marker for the original compound's molecular weight and provides information about its chemical formula. During the ionisation process, an electron from the parent molecule is taken out to create the molecular ion.

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According to the activity series, which of these metals will react with most acids to produce H2 gas?
Mg
Li
Hg

Answers

When many metals are introduced to a solution containing a potent acid, hydrogen gas is created. Magnesium and zinc are the two most often used materials.

Most hydrogen gas is created in what way?

In the United States, the majority of the hydrogen produced each year is created by natural gas reforming with steam. A pressurized gasifier can also produce synthesis gas by combining high-temperature steam, oxygen, and coal or biomass.

HCl and Copper do they react?

In the reactivity sequence, copper is placed below hydrogen. This indicates that copper cannot remove hydrogen from the acidic solution because it is less reactive than hydrogen. Copper does not react with hydrochloric acid because of this.

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10 Think and answer Scientists discovered layers of sed that was once a seabed. They also discovered several fossils in the layers. Which fossils do you think will be older - those found in the top layers or those found in the bottom layer? Why?

Answers

Sedimentary rocks and volcanic lava are the fossils that will be older, found in the top layers o in the bottom layer.

What is sedimentary rock?

The lithified counterparts of sediments are sedimentary rocks. They are primarily created by hardening unconsolidated sediments that already exist via cementing, compacting, as well as other means. Nevertheless, certain types of sedimentary rock do not display an intermediate life as sediment and instead precipitate immediately towards their solid sedimentary form.

Layers or beds are formed by the deposition of volcanic lava flows and sedimentary rocks comprised of mud, sand, gravel, or fossilized shells. The layers just at bottom of the pile typically older than that of the ones at the top because they accumulate over time.

Therefore, sedimentary rocks and volcanic lava are the fossils that will be older, found in the top layers o in the bottom layer.

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1. Which solvent is best for the following solute. Explain why
a.
Explain:
a
9:0:
A
CH₂
H₂c
H₂c
b
HC
HC.
CH₂
CH
CH₂
CH₂
HC-0:

Answers

The solubility of the solute in the solvent depends on intermolecular interactions.

How does the nature of the solvent affect its ability to dissolve a solute?

The nature of the solute and the solvent alone determines how soluble they are in a solvent. In a polar solvent, a polar solute dissolves. In a non-polar solvent, a polar solute is poorly soluble. In a non-polar solvent, a non-polar solute dissolves.

Since the question is incomplete, we can not see what the solute or the solvent ought to have been. However, we must know that the solubility of the solute in the solvent must depend on intermolecular interactions between the both.

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if excess co were to react with 30.0 g of no in a 6.00 l container held at 298k what will be the partial pressures of n2 after the reaction completes

Answers

After the reaction is finished, N2 has a partial pressure of 0.995 atm.

How can the speed of a chemical process be accelerated?

Provide three strategies for accelerating a chemical reaction. providing heat, increasing the reactants' surface area or concentration, or adding a catalyst are all ways to raise the temperature.

What is the name of the chemical reaction-inducing substance?

A catalyst is a chemical that can be included in a reaction to speed up the process without being consumed. Catalysts typically reduce a process's activation energy or change its mechanism. Proteins called enzymes serve as catalysts in biological reactions.

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Convert to particles


100 dm3 of Kr**

Answers

100 dm3 of Kr is equal to 100,000,000 cm3 of Kr. Since 1 mole of any gas occupies 22.4dm3 at STP.

What is Kr?

Kr is the chemical symbol for krypton, a noble gas element found on the periodic table. It has an atomic number of 36 and an atomic mass of 83.80. Krypton is a colorless, odorless, and tasteless gas that is found in trace amounts in the atmosphere. It is used in a variety of applications, including fluorescent lighting, medical imaging, and welding. Krypton is also used in space exploration, where its inert properties make it a useful gas for deep space probes.

then we can calculate the number of moles of Kr present in the given volume:

Number of moles of Kr = 100,000,000 cm3 / 22.4dm3/mol

= 4,467,849.13 moles of Kr

Since 1 mole of Kr contains 6.022 x 10^23 particles, the number of particles of Kr present in the given volume is:

Number of particles of Kr = 4,467,849.13 moles x 6.022 x 1023 particles/mol

= 2.67 x 1026 particles of Kr

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The mass of a single nickel atom is 9.75×10-23 grams. How many nickel atoms would there be in 211 milligrams of nickel?

Answers

We can use the given mass of a single nickel atom and the mass of the sample to calculate the number of nickel atoms in 211 milligrams of nickel.

First, we can convert the mass of the sample from milligrams to grams:
211 milligrams = 0.211 grams

Next, we can use the mass of a single nickel atom to calculate the number of atoms in the sample. We can use the following conversion factor:
1 atom / 9.75×10^-23 grams

Multiplying the mass of the sample by this conversion factor, we get:

0.211 grams * (1 atom / 9.75×10^-23 grams) = 2.16×10^20 atoms

Therefore, there would be approximately 2.16×10^20 nickel atoms in 211 milligrams of nickel.

which of these reagents will not react with benzene by electrophilic aromatic substitution. (select all that apply)]

Answers

The reagents that will not react with benzene by electrophilic aromatic substitution are Sulfur trioxide (SO₃), Chlorine (Cl₂).

What is mean by Electrophilic aromatic substitution?

Electrophilic aromatic substitution is a type of organic reaction in which an electrophile (a positively charged or electron-deficient species) replaces a hydrogen atom in an aromatic ring via an electrophilic attack. This type of reaction is a characteristic feature of aromatic compounds, which are cyclic compounds that contain one or more benzene rings or similar aromatic rings.

In electrophilic aromatic substitution, the electrophile reacts with the aromatic ring in the presence of a Lewis acid catalyst (such as aluminum chloride or iron(III) chloride) to generate a positively charged intermediate called Arenium ion. The Arenium ion then undergoes a series of rearrangements to produce the final product.

There are several types of electrophilic aromatic substitution reactions, including nitration, halogenation, sulfonation, Friedel-Crafts alkylation, and Friedel-Crafts acylation. Each type of reaction involves a different electrophilic reagent and follows a unique mechanism, but all involve the initial electrophilic attack on the aromatic ring and subsequent rearrangements.

Electrophilic aromatic substitution is an important class of reactions in organic chemistry and is used in the synthesis of a wide variety of organic compounds, including pharmaceuticals, agrochemicals and materials.

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A chemical manufacturer wishes to obtain 700 litres of a 24% acid solution by mixing a 40% solution with a 15% solution. How many litres of each solution should be used?.

Answers

Liters of a 40% solution are equivalent to 252 liters, whereas liters of a 15% solution are equivalent to 448 liters.

How much is a percentage?

The hundredth part of a given number is what is meant by the word "percentage."

The answer to the query is

Given,

700 litres of solution total.

Acid solution percentage is equal to 24%.

'x' stands for a 40% acid solution.

"700-x" stands for the 15% of the solution.

Replace the value according to the condition we are provided,

Therefore,

252 litres of acid solution with a 40% concentration

Moreover, 15% of the solution is

As a result, 252 liters of a 40 percent solution are equal to one liter, and 448 liters of a 15 percent solution are.

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The manufacturer needs to use 252 liters of the 40% solution and 448 liters of the 15% solution to obtain 700 liters of a 24% acid solution.

Let x be the number of liters of the 40% solution and y be the number of liters of the 15% solution needed.

Since we want to obtain 700 liters of a 24% solution, we can set up the following system of equations based on the concentration and amount of acid in each solution:

x + y = 700 (total volume of the solution)

0.4x + 0.15y = 0.24(700) (total amount of acid in the solution)

Simplifying the second equation, we get:

0.4x + 0.15y = 168

We can now use the first equation to solve for one of the variables in terms of the other:

y = 700 - x

Substituting this expression into the second equation, we get:

0.4x + 0.15(700 - x) = 168

Simplifying and solving for x, we get:

0.4x + 105 - 0.15x = 168

0.25x = 63

x = 252

So we need 252 liters of the 40% solution and 700 - 252 = 448 liters of the 15% solution.

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a 3.93 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was combusted in excess oxygen. this produced 5.50 g co2 and 0.674 g h2o . a second sample of this compound with a mass of 6.32 g produced 3.22 g so3 . a third sample of this compound with a mass of 8.93 g produced 3.58 g hno3 . determine the empirical formula of the compound. enter the correct subscripts on the given chemical formula.

Answers

The empirical formula of the compound is C2H0O0N0S0, or C2H0NS.

What is empirical formula ?

The empirical formula is a type of chemical formula that gives the simplest whole number ratio of atoms present in a molecule. It is the simplest type of formula that indicates the type of atoms and the ratio of atoms present in a molecule, rather than the actual number of atoms. For example, the empirical formula of glucose is CH₂O, which tells us that there is one carbon atom, two hydrogen atoms and one oxygen atom present in each molecule of glucose.

The empirical formula can be determined by finding the ratio of the mass of each element from the combustion of each sample.

Sample 1:

C: 3.93 g/12.01 g/mol = 0.3283 mol

H: 0.674 g/1.008 g/mol = 0.6689 mol

O: 5.50 g/15.999 g/mol = 0.3441 mol

N: 0 mol

S: 0 mol

Sample 2:

C: 6.32 g/12.01 g/mol = 0.5267 mol

H: 0 mol

O: 0 mol

N: 0 mol

S: 3.22 g/32.06 g/mol = 0.1001 mol

Sample 3:

C: 8.93 g/12.01 g/mol = 0.7417 mol

H: 3.58 g/1.008 g/mol = 3.5479 mol

O: 0 mol

N: 0.674 g/14.007 g/mol = 0.0481 mol

S: 0 mol

The ratio of the moles of each element can be determined by taking the moles of each element from sample 1, and dividing them by the moles of the respective element from sample 2 and 3:

C: 0.3283 / 0.5267 = 0.625

H: 0.6689 / 3.5479 = 0.189

O: 0.3441 / 0 = undefined

N: 0 / 0.0481 = 0

S: 0 / 0.1001 = 0

Rounding the ratios, we get C: 2, H: 0, O: 0, N: 0, and S: 0.

The empirical formula of the compound is C2H0O0N0S0, or C2H0NS.

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2. lithium hydroxide Formula: ______________________ (hint: Li+1 and OH-1)
Molar mass: Li = x _____ (subscript) =

O = x _____ (subscript) =

H = x _____ (subscript) =

Formula mass = Add Li + O + H =

Answers

The formula of lithium hydroxide is LiOH.

The molar mass of LiOH = 24 g/mol

What is the molar mass of a compound?

The mass of 1 mole of a chemical is indicated by its molar mass.

It provides you with the amount of grams per mole of a substance, to put it another way. Hence, grams/mole are the units for molar mass.

The mass of a specific chemical element or chemical compound (g) divided by the amount of substance is known as the molar mass (mol). By multiplying the standard atomic masses (in g/mol) of the constituent atoms, one can determine the molar mass of a compound.

The molar mass of lithium hydroxide, LiOH is derived as folows:

Molar mass = 7 + 16 + 1

Molar mass of LiOH = 24 g/mol

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select the choice that best describes the relationship of the pair of compounds. two compounds. compound 1 has a chiral carbon with a methyl group pointing up and a hydrogen pointing to the lower left. on the right is a wedged bond to fluorine and a dashed bond to ethyl. compound 2 has a chiral carbon bonded to a methyl group pointing up and an ethyl group pointing to the lower left. on the right there is a wedge bond to fluorine and a dashed bond to hydrogen.

Answers

These two compounds are diastereomers. As stereoisomers that are not mirror reflections of one another, stereoeomers differ from one another in terms of their physical and chemical characteristics.

What are diastereomers?

In this instance, the two compounds have identical atom connectivity, but they differ in how their substituents are arranged spatially around one or more chiral centres.

The chiral carbon is covered by the identical substituents in both molecules, but in a different arrangement. In contrast to compound 2, which has an ethyl group pointing to the lower left and a methyl group pointing up, compound 1 has a hydrogen atom pointing to the lower left and a methyl group pointing up. Because of the differences in how the molecules are arranged spatially around the chiral carbon, the compounds have unique physical and chemical characteristics.

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25.0 mL of a 0.2450 M NH4Cl solution is added to 55.5 mL of 0.1655 M FeCl3. What is the concentration of chloride ion in the final solution?

Answers

Answer:

the concentrations is 0.0760 M.

Explanation:

The concentration of chloride ion in the final solution is approximately 0.1900 M.

To find the concentration of chloride ion in the final solution, we need to consider the reaction between NH₄Cl and FeCl₃. The reaction can be represented as follows:

NH₄Cl (aq) + FeCl₃ (aq) → NH₄FeCl₄ (aq)

In this reaction, one mole of NH₄Cl reacts with one mole of FeCl₃ to form one mole of NH₄FeCl₄. The balanced chemical equation shows a 1:1 molar ratio between chloride ions (Cl⁻) and NH₄FeCl₄.

First, let's calculate the moles of chloride ions from each solution:

For the NH₄Cl solution:

Volume of NH₄Cl solution (V1) = 25.0 mL = 0.0250 L

Molarity of NH₄Cl solution (M1) = 0.2450 M

Number of moles of chloride ions from NH₄Cl solution = M1 * V1

Number of moles of chloride ions from NH₄Cl solution = 0.2450 mol/L * 0.0250 L

Number of moles of chloride ions from NH₄Cl solution = 0.006125 mol

For the FeCl₃ solution:

Volume of FeCl₃ solution (V2) = 55.5 mL = 0.0555 L

Molarity of FeCl₃ solution (M2) = 0.1655 M

Number of moles of chloride ions from FeCl₃ solution = M2 * V2

Number of moles of chloride ions from FeCl₃ solution = 0.1655 mol/L * 0.0555 L

Number of moles of chloride ions from FeCl₃ solution = 0.00918325 mol

Now, let's add the moles of chloride ions from both solutions:

Total number of moles of chloride ions = Moles from NH₄Cl + Moles from FeCl₃

Total number of moles of chloride ions = 0.006125 mol + 0.00918325 mol

Total number of moles of chloride ions = 0.01530825 mol

Finally, let's calculate the concentration of chloride ions in the final solution:

Total volume of the final solution (Vf) = Volume of NH₄Cl solution + Volume of FeCl₃ solution

Total volume of the final solution (Vf) = 0.0250 L + 0.0555 L

Total volume of the final solution (Vf) = 0.0805 L

Concentration of chloride ions in the final solution (Mf) = Total moles of chloride ions / Total volume of the final solution

Concentration of chloride ions in the final solution (Mf) = 0.01530825 mol / 0.0805 L

Concentration of chloride ions in the final solution (Mf) ≈ 0.1900 M

Therefore, the concentration of chloride ion in the final solution is approximately 0.1900 M.

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Name each ionic compound containing a polyatomic ion.
a. CuNO2
b. mg ( C2H3O2)2
c. Ba( NO3)2
d. Pb (C2H3O2)2

Answers

CuNO2 is a compound containing a polyatomic ion.

Define ionic compounds.

Positively charged ions, known as cations, and negatively charged ions, known as anions, make up ionic compounds, which are neutral substances. The name of the cation is written first, followed by the name of the anion, for binary ionic compounds (ionic compounds that only contain two kinds of elements).

A covalently bound collection of two or more atoms, or a metal complex, that can be said to act as a single entity and has a net charge that is not zero is referred to as a polyatomic ion. A polyatomic particle may or may not be referred to as a molecule. Salt is copper nitrate. Ionic interactions keep copper nitrate in place. The ionic framework of copper nitrate is very large.

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Which example is an biotic factor of an aquarium environment?

Answers

Answer: fish

Explanation: they are living organisms; they live in water

A biotic factor is a living organism that shapes its environment. In a freshwater ecosystem, examples might include aquatic plants, fish, amphibians, and algae.

step 5: draw the structure that best fits the mass spec data. let's review the results of the previous steps. step 1: the molecular ion is 27 . step 2: there are no cl or br atoms based on isotope pattern. step 3: the molecular ion is odd, so there is one nitrogen. now consider step 4 as it relates to the unknown compound. step 4: examine the largest peaks and calculate the difference from the molecular ion. look for common alkyl fragments. the mass spec data shows only one base peak at m/z 27, and a smaller peak at 26, so there are no alkyl fragments. one nitrogen atom will have a molecular weight of 14, leaving 13 amu for the remaining unknown portion. a molecular weight of 13 amu can only correspond to one carbon atom and one nitrogen atom, giving the molecular formula of chn .

Answers

According to the information provided, the unidentified molecule has the molecular formula CHN, which equals a molecular weight of 13 amu. This suggests that the molecule has one carbon atom and one nitrogen atom.

there are no cl or br atoms based on isotope patterns.

We may infer from the mass spectrum that the molecule is neither a branched nor substituted alkane because there are no alkyl fragments seen there. The base peak at m/z 27, which is the compound's molecular ion, is the only peak seen in the spectrum.

As it relates to the unknown compound.

A molecule with a single carbon atom and a single nitrogen atom coupled by a triple bond has the structure that best fits the mass spec data. This is equivalent to the cyanide molecule, which has the chemical formula H-C-N.

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