Question 1

The rate law for this reaction is rate = ________.

Accepted Answer

A) k[A][B] 
B) k[P] 
C) k[A]2[B] 
D) k[A]2[B]2 
E) k[A]2 
A) k[A][B] 
B) k[P] 
C) k[A]2[B] 
D) k[A]2[B]2 
E) k[A]2

Question 2

The rate constant for a particular zero-order reaction is   If the initial concentration of reactant is   it takes ________ s for the concentration to decrease to

Accepted Answer

A) 5.8 
B) -5.8 
C) -0.047 
D) 7.2 
E) 0.040 
A) 5.8 
B) -5.8 
C) -0.047 
D) 7.2 
E) 0.040

Question 3

Which substance in the reaction below either appears or disappears the fastest?
4NH3 + 7O2 → 4NO2 + 6H2O

Accepted Answer

A) NH3 
B) O2 
C) NO2 
D) H2O 
E) The rates of appearance/disappearance are the same for all of these. 
A) NH3 
B) O2 
C) NO2 
D) H2O 
E) The rates of appearance/disappearance are the same for all of these.

Question 4

What is the average rate of disappearance (M/s)of I- in the initial 800.0 s?

Accepted Answer

A) 2.8 
B) 2.8 × 10-5 
C) 3.3 × 10-5 
D) 2.6 × 10-2 
E) 3.1 × 104 
A) 2.8 
B) 2.8 × 10-5 
C) 3.3 × 10-5 
D) 2.6 × 10-2 
E) 3.1 × 104

Question 5

What is the concentration (M)of S2O82- remaining at T=0?

Accepted Answer

A) 0.072 
B) 0.022 
C) 0.15 
D) 0.050 
E) no S2O82- is remaining at T=0 
A) 0.072 
B) 0.022 
C) 0.15 
D) 0.050 
E) no S2O82- is remaining at T=0

Question 6

Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2 → 2NO + O2
In a particular experiment at 300 °C,[N   ] drops from 0.0143 to 0.00701 M in 261 s.The rate of disappearance of NO2 for this period is ________ M/s.

Accepted Answer

A) 2.79 × 10-5 
B) -8.16 × 10-5 
C) 5.59 × 10-5 
D) 1.40 × 10-5 
E) 35,800 
A) 2.79 × 10-5 
B) -8.16 × 10-5 
C) 5.59 × 10-5 
D) 1.40 × 10-5 
E) 35,800

Question 7

The average rate of appearance of B between 20 s and 30 s is ________ mol/s.

Accepted Answer

A) +1.5 × 10-3 
B) +5.0 × 10-4 
C) -1.5 × 10-3 
D) +7.3 × 10-3 
E) -7.3 × 10-3 
A) +1.5 × 10-3 
B) +5.0 × 10-4 
C) -1.5 × 10-3 
D) +7.3 × 10-3 
E) -7.3 × 10-3

Question 8

The Earth's ozone layer is located in the ________.

Accepted Answer

The answer of The Earth's ozone layer is located in...

Question 9

Under constant conditions,the half-life of a first-order reaction ________.

Accepted Answer

A) is the time necessary for the reactant concentration to drop to half its original value 
B) is constant 
C) can be calculated from the reaction rate constant 
D) does not depend on the initial reactant concentration 
E) All of the above are correct. 
A) is the time necessary for the reactant concentration to drop to half its original value 
B) is constant 
C) can be calculated from the reaction rate constant 
D) does not depend on the initial reactant concentration 
E) All of the above are correct.

Question 10

Define a heterogeneous catalyst.

Accepted Answer

A CATALYST PRESENT I

Question 11

The rate-determining step is the ________ elementary step.

Accepted Answer

The answer of The rate-determining step is the ________ elementary...

Question 12

In the Arrhenius equation, k = Ae-Ea/RT
________ is the frequency factor.

Accepted Answer

A) k 
B) A 
C) e 
D) Ea 
E) R 
A) k 
B) A 
C) e 
D) Ea 
E) R

Question 13

What is the overall order of the reaction?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 0 
A) 1 
B) 2 
C) 3 
D) 4 
E) 0

Question 14

The isomerization of methylisonitrile to acetonitrile CH3NC (g)→ CH3CN (g)
Is first order in   NC.The rate constant for the reaction is 9.45 × 10-5   at 478 K.The   of the reaction when the initial [   NC] is 0.030 M is ________ s.

Accepted Answer

A) 1.06 × 104 
B) 5.29 × 103 
C) 3.53 × 105 
D) 7.33 × 103 
E) 1.36 × 10-4 
A) 1.06 × 104 
B) 5.29 × 103 
C) 3.53 × 105 
D) 7.33 × 103 
E) 1.36 × 10-4

The rate law for this reaction is rate = ________.

The rate constant for a particular zero-order reaction is If the initial concentration of reactant is it takes ________ s for the concentration to decrease to

Which substance in the reaction below either appears or disappears the fastest? 4NH₃ + 7O₂ → 4NO₂ + 6H₂O

What is the average rate of disappearance (M/s)of I^- in the initial 800.0 s?

What is the concentration (M)of S₂O₈^2- remaining at T=0?

Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO₂ → 2NO + O₂ In a particular experiment at 300 °C,[N ] drops from 0.0143 to 0.00701 M in 261 s.The rate of disappearance of NO₂ for this period is ________ M/s.

The average rate of appearance of B between 20 s and 30 s is ________ mol/s.

The Earth's ozone layer is located in the ________.

Under constant conditions,the half-life of a first-order reaction ________.

Define a heterogeneous catalyst.

The rate-determining step is the ________ elementary step.

In the Arrhenius equation, k = Ae^-Ea/RT ________ is the frequency factor.

What is the overall order of the reaction?

The isomerization of methylisonitrile to acetonitrile CH₃NC (g)→ CH₃CN (g) Is first order in NC.The rate constant for the reaction is 9.45 × 10^-5 at 478 K.The of the reaction when the initial [ NC] is 0.030 M is ________ s.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

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Exam 14: Chemical Kinetics

The rate law for this reaction is rate = ________.

The rate constant for a particular zero-order reaction is If the initial concentration of reactant is it takes ________ s for the concentration to decrease to

Which substance in the reaction below either appears or disappears the fastest? 4NH3 + 7O2 → 4NO2 + 6H2O

What is the average rate of disappearance (M/s)of I- in the initial 800.0 s?

What is the concentration (M)of S2O82- remaining at T=0?

Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO2 → 2NO + O2 In a particular experiment at 300 °C,[N ] drops from 0.0143 to 0.00701 M in 261 s.The rate of disappearance of NO2 for this period is ________ M/s.

The average rate of appearance of B between 20 s and 30 s is ________ mol/s.

The Earth's ozone layer is located in the ________.

Under constant conditions,the half-life of a first-order reaction ________.

Define a heterogeneous catalyst.

The rate-determining step is the ________ elementary step.

In the Arrhenius equation, k = Ae-Ea/RT ________ is the frequency factor.

What is the overall order of the reaction?

The isomerization of methylisonitrile to acetonitrile CH3NC (g)→ CH3CN (g) Is first order in NC.The rate constant for the reaction is 9.45 × 10-5 at 478 K.The of the reaction when the initial [ NC] is 0.030 M is ________ s.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

Which substance in the reaction below either appears or disappears the fastest? 4NH₃ + 7O₂ → 4NO₂ + 6H₂O

What is the average rate of disappearance (M/s)of I^- in the initial 800.0 s?

What is the concentration (M)of S₂O₈^2- remaining at T=0?

Nitrogen dioxide decomposes to nitric oxide and oxygen via the reaction: 2NO₂ → 2NO + O₂ In a particular experiment at 300 °C,[N ] drops from 0.0143 to 0.00701 M in 261 s.The rate of disappearance of NO₂ for this period is ________ M/s.

In the Arrhenius equation, k = Ae^-Ea/RT ________ is the frequency factor.

The isomerization of methylisonitrile to acetonitrile CH₃NC (g)→ CH₃CN (g) Is first order in NC.The rate constant for the reaction is 9.45 × 10^-5 at 478 K.The of the reaction when the initial [ NC] is 0.030 M is ________ s.