Hydrogen peroxide decomposes into water and oxygen. The uncatalyzed reaction has activation energy of 86 kJ / mol. The Ea value in the presence of acetanilide is 112 kJ / mol and in the presence of Mn02 it is 49 kJ / mol. What conclusion can you draw from the above observations?

The molar mass of acetic acid (CH3COOH) is approximately 60.05 grams per mole.

To arrive at this value, we can calculate the atomic masses of each element in the molecule and add them up:

Carbon (C): 12.01 g/mol

Hydrogen (H): 1.01 g/mol x 2 = 2.02 g/mol

Oxygen (O): 16.00 g/mol x 2 + 1.01 g/mol = 32.02 g/mol

Adding these up, we get:

12.01 g/mol + 2.02 g/mol + 32.02 g/mol = 46.05 g/mol

However, since there are two oxygen atoms in the molecule, we must add an additional 16.00 g/mol for a total of:

46.05 g/mol + 16.00 g/mol = 60.05 g/mol

Therefore, the molar mass of acetic acid is approximately 60.05 grams per mole.

For such more question on molar mass:

https://brainly.com/question/837939

#SPJ4

The kind of the energy that is store in the chemical bond is the type of the potential energy.

The kind of the energy that is store in the chemical bond is the type of the potential energy. The Potential energy is the energy that is not be in  used yet, but the energy that is is stored and in awaiting the use. The chemical bond is the example of the potential energy. The bonds formed in between the atoms and the molecules in the substances hold the energy.

Thus, the potential energy is stored in the chemical bond formed in between the atoms or the molecules.

To learn more about bond here

https://brainly.com/question/15444131

#SPJ4

The solvents that are commonly chloroform-d used to prepare a sample for 'H NMR.

The correct option is D.

Chloroform is a solution, or a substance that helps dissolve other substances. Along with the building, paper, and board sectors, it is also used in the production of insecticides and films. It functions as a solvent for rubber, floor polish, resins, adhesives, opiates, fats, and oils.

Chloroform was occasionally used as a drug or in attempts. Chloroform may exert its effects by speeding up the potassium ion flow through certain potassium channels found in nerve cells.

To know more about Chloroform visit:

https://brainly.com/question/13334667

#SPJ1

The concept quantum theory of radiation is used here to determine the energy of a mole of photons. Here the energy of a mole of photons of light that have a frequency of 8.23 × 10¹⁵ Hz is . The correct option is C.

According to quantum theory of radiation energy can be absorbed or emitted in the form of electromagnetic radiation called quantum. The energy of the radiation absorbed or emitted is found to be directly proportional to the frequency of radiation.

The equation is:

E = hν

ν - Frequency

h - Planck's constant

E = 6.626 × 10⁻³⁴ Js⁻¹ ×  8.23 × 10¹⁵ s⁻¹

= 5.45 × 10⁻¹⁸ J

Thus the energy of a mole of photons of light is 5.45 × 10⁻¹⁸ J.

Thus the correct option is C.

To know more about quantum theory of radiation, visit;

https://brainly.com/question/4751848

#SPJ1

The quantity of heat energy needed to totally turn one unit of mass of liquid water into water vapor at a constant temperature and pressure is known as the evaporation heat of the water.

The "latent heat of vaporization" is the name of this process.

The intensity of the attractive interactions between the water molecules is gauged by the heat of evaporation.

Liquid water molecules gather energy and start to move more quickly when heat is introduced. As a result, some of the molecules at the liquid's surface acquire sufficient energy to separate from the surface and transition into the gas phase.

The latent heat of vaporization is the amount of energy needed to rupture these intermolecular interactions and change the liquid into vapor.

Learn more about evaporation at

https://brainly.com/question/30589597

#SPJ4

The synthesis of CH3CH2CH2CHO from two-carbon starting materials involves the formation of acetylene from calcium carbide and water, followed by hydrogenation to form ethane.

A chlorination reaction is a chemical reaction in which one or more chlorine atoms are introduced into a molecule, either in place of another atom or as an addition to the molecule. The general equation for a substitution chlorination reaction is:

RH + Cl2 -> RCl + HCl

One possible synthesis of CH3CH2CH2CHO, also known as butanal, from two-carbon starting materials is:

Step 1: Formation of acetylene (C2H2) from calcium carbide and water.

CaC2 + 2H2O -> C2H2 + Ca(OH)2

Step 2: Hydrogenation of acetylene to form ethane (C2H6).

C2H2 + 2H2 -> C2H6

Step 3: Reaction of ethane with chlorine (Cl2) to form 1-chloroethane (C2H5Cl).

C2H6 + Cl2 -> C2H5Cl + HCl

Step 4: Reaction of 1-chloroethane with sodium cyanide (NaCN) to form 1-cyanopropane (C3H7CN).

C2H5Cl + NaCN -> C3H7CN + NaCl

Step 5: Hydrolysis of 1-cyanopropane to form butanal (CH3CH2CH2CHO).

C3H7CN + 2H2O -> CH3CH2CH2CHO + NH3

To know more about Hydrolysis, visit:

brainly.com/question/29439050

#SPJ1

Answer:

Displacement reaction

Explanation:

Answer:

An alloy

Explanation:

An alloy is a mixture of elements that has metallic properties.

The formal charge of nitrogen atom that has no lone pairs and forms two double bonds is -3.

The formal charge of an atom is the difference between the number of valence electrons of an atom in its free state as well as the number of electrons assigned to that atom in a molecule.

For nitrogen (N), the number of valence electrons in its free state will be 5. In a molecule where it forms two double bonds, nitrogen will share a total of 8 valence electrons (4 from each bond) with other atoms. Therefore, the number of electrons assigned to nitrogen is 8.

To calculate the formal charge of nitrogen in this case, we can use the formula: Formal charge = valence electrons - assigned electrons

Substituting the values for nitrogen, we get:

Formal charge of nitrogen = 5 - 8 = -3

To know more about formal charge here

https://brainly.com/question/11723212

#SPJ4

Nystatin is an antifungal medication that is commonly used to treat fungal infections of the mouth and throat. Nystatin swish and swallow is a method of delivering the medication directly to the affected area in order to treat these types of infections.

The swish and swallow method involves taking a liquid suspension of nystatin and swishing it around in the mouth for several minutes before swallowing it. The medication is designed to coat the mouth and throat, allowing it to come into contact with any fungal infections that may be present.

To use the swish and swallow method, the patient should first shake the medication well to ensure that it is evenly mixed. The recommended dosage of nystatin will vary depending on the severity of the infection and other individual factors, so patients should follow the instructions provided by their healthcare provider.

To administer the medication, the patient should take a small amount of the suspension into their mouth and swish it around for several minutes, making sure to coat the entire mouth and throat. The medication should not be swallowed immediately, as it is important to allow it to come into contact with any fungal infections that may be present.

After several minutes of swishing, the patient should swallow the medication, being careful not to spit it out or rinse their mouth with water immediately after. This allows the medication to continue to work in the mouth and throat, providing effective treatment for fungal infections.

Side effects of nystatin swish and swallow are typically mild and may include nausea, vomiting, and diarrhea. Patients who experience more severe side effects or allergic reactions should contact their healthcare provider immediately.

In summary, nystatin swish and swallow is a method of delivering an antifungal medication directly to the mouth and throat in order to treat fungal infections. Patients should follow the instructions provided by their healthcare provider and swish the medication around in the mouth before swallowing. Side effects are typically mild, and patients who experience more severe side effects or allergic reactions should contact their healthcare provider immediately.

To know more about Nystatin: https://brainly.com/question/30257445

#SPJ4

The molality of a solution containing 3.0 moles of NaCl and 100.0 moles of water is given as 1.7 m.

Mathematically,

Molality = Moles of solute / Mass of solvent in kg

We know that,

Solute is NaCl

Moles of NaCl = 3.0 moles

Solvent is water

Moles of water = 100.0 moles

Molar mass of water (H₂O) = 18.01528 g/mol

Mass of H₂O = 18.01528 g/mol × 100 mol = 18.01528 g = 1.801528 kg

Substitute the values,

Molality = 3 moles/1.801528 kg = 1.665 m = 1.7 m

Hence, the molality of a solution containing 3.0 moles of nacl and 100.0 moles of water 1.7 m.

Learn more about molality from the link given below.

https://brainly.com/question/26921570

#SPJ4

Answer:

Yes, that is correct. When 1-bromobutane is heated with a strong base like potassium tert-butoxide, it undergoes dehydrohalogenation via an E2 (elimination bimolecular) mechanism, in which the bromine atom is removed from the molecule along with a proton from a neighboring carbon atom. This results in the formation of an alkene (butene) and a molecule of hydrogen bromide. The reaction follows second-order kinetics because it involves two species (1-bromobutane and the base) in the rate-determining step.

Explanation:

Helium, Neon are the elements with the lower first ionization energy first. The correct option is B.

Thus, Helium has a lower initial ionization energy than neon in this combination. The energy needed to remove an atom's outermost electron and leave behind a positively charged ion is known as the first ionization energy.

In contrast to neon, which has an extra electron in its valence shell, helium has a full valence shell with two electrons, making it more stable and less prone to lose an electron.

Helium has a lower initial ionization energy than neon as a result.  

Thus, Helium, Neon are the elements with the lower first ionization energy first. The correct option is B.

Learn more about Neon, refer to the link:

https://brainly.com/question/7388072

#SPJ12

The solutions can be ranked as follows from lowest to highest boiling point:

0.1 M glucose (C6H12O6)

0.1 M KCl

0.1 M NaCl

0.1 M CaCl2

0.1 M AlCl3

The boiling point of a solution depends on the concentration and identity of solutes dissolved in the solvent. The presence of solutes in a solution can increase or decrease the boiling point of the solution relative to the pure solvent.

When ranking aqueous solutions in terms of boiling point, the key factor to consider is the number of solute particles in solution. The greater the concentration of solute particles, the higher the boiling point of the solution.

Glucose is a non-electrolyte and does not dissociate into ions in solution, so it has the lowest boiling point. The next three solutions all contain one or two electrolytes that dissociate into two or three ions in solution, respectively, increasing the number of solute particles and therefore the boiling point. Finally, AlCl3 is the most ionic and produces the greatest number of ions in solution, leading to the highest predicted boiling point among the given solutions

Find out more about solutions

brainly.com/question/30508585

#SPJ4

The butterfly's larval stage is characterized by the following statement: "The larva is generating new limbs as well as wings, transitioning into an adult."

After birth as well as hatching and before reaching adulthood, many animals go through the larval stage of development, sometimes known as larvae or larvas.

Thus, the butterfly's larval stage is characterized by the following statement: "The larva is generating new limbs as well as wings, transitioning into an adult."

To know more about the larva stage, here

https://brainly.com/question/3171812

#SPJ1

The percent error in the experiment is 12.5%

When comparing the estimated value to the actual value, the percent error is the difference, and it is given as a percentage.

How to find the percent error,

Let us find the % error in the experiment:

Given [tex]K_a = 4.0 * 10^-^8[/tex]

Original; Ka= 3.5 x 10^-8

Percent error = accepted value - experimental value/accepted value x 100

= 4.0 x 10^-8 - 3.5 x 10^-8/4.0 x10^10^-8 x 100

= 12.5%

Read more about percentage error here:

https://brainly.com/question/5493941

#SPJ1

When heated, the water got bigger. Because the water was so salty, salt crystallised on the surface of the container. Because the water cannot hold much heat, the bottom was able to immediately warm up.

A estimated estimate of the evaporation process of water is 3.5 kJ/kg, or 40.8 kJ/mol. The opposite of condensation is the process of vaporisation. The condensate heat is described as the heat released whenever one atom of the compound polymerizes at its boiling point of water under normal pressure.

Water vaporisation heat is approximately 2,260 kJ/kg, or 40.8 kJ/mol. Condensation is the process that vaporisation is the opposite of. The heat emitted when one mole of a substance condenses now at boiling point under normal pressure is known as the heat of condensation.

To know more about crystallised visit:

https://brainly.com/question/23122377

#SPJ1

Amino acids combine to form proteins through a process called protein synthesis, which involves two main steps: transcription and translation.

• Transcription: In the first step, the DNA sequence that codes for a particular protein is transcribed into a messenger RNA (mRNA) molecule. The mRNA carries the genetic information from the DNA in the nucleus of the cell to the ribosomes, which are located in the cytoplasm.

• Translation: In the second step, the mRNA sequence is read by the ribosomes and translated into a specific sequence of amino acids, which are linked together to form a protein. During translation, transfer RNA (tRNA) molecules bring the appropriate amino acids to the ribosome, where they are added to the growing protein chain in a specific order dictated by the mRNA sequence.

The sequence of amino acids in a protein is determined by the sequence of nucleotides in the DNA that codes for that protein. The specific sequence of amino acids in a protein determines its three-dimensional structure and its function in the body. Proteins are essential for many biological processes, including cell signaling, enzymatic reactions, and structural support.

Learn more about Transcription here:

https://brainly.com/question/12150990

#SPJ4

The concentration of N2O5 after 12.5 minutes is 1.094 M.The rate law for a first-order reaction is given by:

Rate = k[A]

where k is the rate constant and [A] is the concentration of the reactant.

The integrated rate law for a first-order reaction is given by:

ln[A]t = -kt + ln[A]0

where [A]t is the concentration of the reactant at time t, [A]0 is the initial concentration, k is the rate constant, and ln is the natural logarithm.

Using the given rate constant and initial concentration of N2O5, we can calculate the concentration of N2O5 after 12.5 minutes as follows:

ln([N2O5]t/[N2O5]0) = -kt

ln([N2O5]t/2.88 M) = -(1.70 x 10^-3 s^-1)(12.5 min)(60 s/min)

ln([N2O5]t/2.88 M) = -1.530

[N2O5]t/2.88 M = e^-1.530

[N2O5]t = (e^-1.530)(2.88 M)

[N2O5]t = 1.094 M

Therefore, the concentration of N2O5 after 12.5 minutes is 1.094 M.

Find out more about rate law

brainly.com/question/28590014

#SPJ4

F- blocks elements are called inner transition metals. It occupies a position between the elements lanthanum and hafnium and between actinium and rutherfordium.

In the Periodic table, the inner transition elements are sometimes called the f-block elements since in this region the f-orbitals are being filled in. The elements constituting the f-block or inner transition metals are those in which 4f and 5f orbitals are progressively filled. These elements are the members of group 3 but shown separately as f-block of the periodic table. The elements of f-block are called inner transition elements. There are 28 inner transition elements in the periodic table. The inner transition elements are two series of elements known as the lanthanoids and actinoids.

To learn more about Inner transition metals please visit:

https://brainly.com/question/13632319

#SPJ4

There are different types of compounds formed by the combination of different elements. From the given element card some of the compounds possible to form include CO₂, H₂O, NaCl, HF etc.

Compounds are formed by the combination of two or more atoms of different elements. There are ionic compounds, covalent compounds coordination compounds etc,.

Ionic compounds are formed between metals and non-metals. For example, Na has 1 valence electron and Cl have 7 valence electrons . Hence, Na donate one electron to Cl and both achieve octet and form the ionic compound NaCl.

H have only one electron and F with 7 valence electrons. They both share one electron each to fill the shell and form the covalent compound HF. Other compounds possibly formed from this group includes, H₂O, CO₂, SO₂, NaF etc.

Find more on compounds:

https://brainly.com/question/14658388

#SPJ1

Examples that represents a system at equilibrium are : These fish swim under a plant and five other fish come out from plant; In a sealed flask, 500 water molecules vaporize while 500 other water molecules condense.

Condition in the course of reversible chemical reaction in which no net change in the amounts of reactants and products occurs is called chemical equilibrium.

Chemical equilibrium is the state when both the reactants and products are present in the concentrations which have no further tendency to change with time, so that there is no observable change in properties of system.

To know more about equilibrium, refer

https://brainly.com/question/18849238

#SPJ1

The pH of 1 X 10-2 M HCN acid is 5.7

D) between 4 and 7

HCN is weak acid dissociate as

HCN  + H2O   \rightleftharpoons  H3O+  +  CN-

Ka = [CN- ][H3O+] / [HCN]

but  [CN- ] = [H3O+] = x

Ka = [x][x] / [HCN]

Substitute the value in equation

4.0X 10-10 = [x]2/ 1 X 10-2

[x]2 = 4.0X 10-10 X1 X 10-2  = 4.0 X 10-12

[x] = 2.0 X 10-6 M

Concentration of H3O+ = 2 X 10-6 M

pH = - log[H3O+]

pH = - log (2 X 10-6)

pH = 5.7

Prussic acid, also known as hydrogen cyanide, is a chemical substance with the formula HCN and the structural formula HCN. It is a colourless, incredibly poisonous, and flammable liquid that boils at 25.6 °C (78.1 °F), just slightly above room temperature.

Industrial-scale HCN production makes it a highly prized precursor to a wide range of chemical compounds, from pharmaceuticals to polymers. Production of potassium cyanide and adiponitrile, which are used in mining and plastics, respectively, has large-scale applications. Due to its volatile nature, it is more toxic than cyanide compounds that are solid.

Learn more about Hydrogen cyanide

https://brainly.com/question/27179806

#SPJ1

Noncovalent interactions between elements in the same molecule are known as intramolecular interactions.

Describe element noun.

I made the decision to walk in spite of the awful weather by braving the elements. New component required for the kettle. For the vast majority of home buyers, having a second source of income is crucial. They have all the qualities of a strong squad. Although she exaggerated, there was some truth to what she said.

Which words are equivalent to "element"?

element Units that are a portion of whole or entire substances, organizations, compounds, or combinations are referred to as elements, components, constituents, or ingredients. Element refers to a fundamental, essential component: the building blocks of matter; break the issue down into its component parts.

To know more about elements visit:

https://brainly.com/question/14347616

#SPJ4

No, there is no hydrogen bonds between the cut sites in smai.  The correct option is B.

The blunt ends have the  Smai will create after the cutting. The hydrogen bonds are the very special class of the intermolecular attractive forces that will arise only in the compounds that is featuring the hydrogen atoms bonded to the  highly electronegative atom with the other highly electronegative atom.

The hydrogen bonds are of the two types , these are as follows :

The Hydrogen bonding is the special type of  the dipole - dipole attraction in between the molecules.

To learn more about hydrogen bond here

https://brainly.com/question/17659933

#SPJ4

The final volume is when  the 400 ml of 0.6 M HCl is diluted to the 0.5 M HCl is 480 mL.

The initial molarity of the solution , M₁ = 0.6 M

The initial volume of the solution, V₁ = 400 mL

The final molarity of the solution, M₂ = 0.5 M

The final volume of the solution, V₂ = ?

The dilution law is expressed as :

M₁ V₁ = M₂ V₂

V₂ = M₁ V₁ / M₂

V₂ = ( 0.6 × 400 ) /0.5

V₂ = 480 mL

Thus, the final volume of the solution is 480 mL with the molarity of the 0.5 M.

To learn more about molarity here

https://brainly.com/question/8732513

#SPJ4

A balanced equation obeys the law of conservation of mass. Here the balanced equation for the decomposition of Barium sulfide is 8 BaS → 8Ba + S₈. The correct option is A.

A chemical equation in which the amount of reactants and products on both sides of the equation are equal is defined as the balanced equation. The number of atoms of each element of the reactants and products are same on either side of the equation.

Here the balanced equation for the decomposition of Barium sulfide is denoted as:

8BaS→ 8Ba + S₈

The number of 'Ba' and 'S' atoms on both sides of the equation are equal.

Thus the correct option is A.

To know more about balanced equation, visit;

https://brainly.com/question/29769009

#SPJ1

Answer:

tropical continental

Explanation:

tropical continental are hot dry air masses. They form in summer mostly over Southwestern US and Northern Mexico.

The given statement is "lithium one of the major chemical building blocks of modern life" is false. Lithium is not the budling block of the modern life.

The Lithium is not  one of the major chemical the budling block of the modern life. The building blocks of the modern life is the carbon , oxygen, and the nitrogen. There are the six main elements that are the fundamental unit of the building blocks of the life. The order of the buildings blocks of the modern life from the least common to the most common is as follows :

The sulfur, the phosphorous, the oxygen, the nitrogen, the carbon, and the hydrogen.

To learn more about Lithium here

https://brainly.com/question/30575250

#SPJ4

Feedback mechanisms are best described as processes that help regulate and maintain balance within a system.

These mechanisms can be seen in many different systems, including biological systems, technological systems, and even social systems. In each case, the feedback mechanism provides information about the current state of the system and helps to make adjustments in order to keep the system functioning properly.

In biological systems, for example, feedback mechanisms can help to regulate things like body temperature, hormone levels, and blood sugar levels. For example, when your body temperature gets too high, a feedback mechanism will kick in to help cool you down. This might involve sweating, which helps to release heat from the body, or increasing blood flow to the skin, which allows heat to be released more quickly.

See more about feedback mechanisms at https://brainly.com/question/12688489.
#SPJ11