Question 1

A heterogeneous catalyst is a catalyst that is in two phases of matter.

Accepted Answer

A) True 
 B)False

Question 2

If a reaction has a rate equation of rate = k[A][B][C] then it is:

Accepted Answer

A) overall second order 
B) overall first order 
C) overall third order 
D) zero order in A 
E) second order in B 
A) overall second order 
B) overall first order 
C) overall third order 
D) zero order in A 
E) second order in B

Question 3

For the reaction: C2H4Br2 + 3 KI → C2H4 + 2 KBr + KI3,when the rate of disappearance of C2H4Br2 is 2.0 × 10-5 M/s,what is the rate of appearance of C2H4?

Accepted Answer

A) 0.67 × 10-5 M/s 
B) 2.0 × 10-5 M/s 
C) 4.0 × 10-5 M/s 
D) 6.0 × 10-5 M/s 
E) 1.0 × 10-5 M/s 
A) 0.67 × 10-5 M/s 
B) 2.0 × 10-5 M/s 
C) 4.0 × 10-5 M/s 
D) 6.0 × 10-5 M/s 
E) 1.0 × 10-5 M/s

Question 4

For the reaction: 2 N2O5(g)→ 4 NO2(g)+ O2(g)the rate law is: 
 = k[N2O5]
At 300 K,the half-life is 2.50 × 104 seconds and the activation energy is 103.3 kJ/mol O2.At the time when N2O5 is being consumed at a rate of 1.2 × 10-4 M/s,what is the rate at which NO2 is being formed?

Accepted Answer

A) 1.2 × 10-4 M/s 
B) 2.4 × 10-4 M/s 
C) 6.0 × 10-5 M/s 
D) 3.0 × 10-5 M/s 
E) 4.8 × 10-4 M/s 
A) 1.2 × 10-4 M/s 
B) 2.4 × 10-4 M/s 
C) 6.0 × 10-5 M/s 
D) 3.0 × 10-5 M/s 
E) 4.8 × 10-4 M/s

A heterogeneous catalyst is a catalyst that is in two phases of matter.

If a reaction has a rate equation of rate = k[A][B][C] then it is:

For the reaction: C₂H₄Br₂ + 3 KI → C₂H₄+ 2 KBr + KI₃,when the rate of disappearance of C₂H₄Br₂ is 2.0 × 10^-5 M/s,what is the rate of appearance of C₂H₄?

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Solubility and Complex-Ion Equilibria

Electrochemistry

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

Exam 20: Chemical Kinetics

A heterogeneous catalyst is a catalyst that is in two phases of matter.

If a reaction has a rate equation of rate = k[A][B][C] then it is:

For the reaction: C2H4Br2 + 3 KI → C2H4 + 2 KBr + KI3,when the rate of disappearance of C2H4Br2 is 2.0 × 10-5 M/s,what is the rate of appearance of C2H4?

For the reaction: 2 N2O5(g)→ 4 NO2(g)+ O2(g)the rate law is: = k[N2O5] At 300 K,the half-life is 2.50 × 104 seconds and the activation energy is 103.3 kJ/mol O2.At the time when N2O5 is being consumed at a rate of 1.2 × 10-4 M/s,what is the rate at which NO2 is being formed?

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Chemical Reactions

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Solubility and Complex-Ion Equilibria

Electrochemistry

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

For the reaction: C₂H₄Br₂ + 3 KI → C₂H₄+ 2 KBr + KI₃,when the rate of disappearance of C₂H₄Br₂ is 2.0 × 10^-5 M/s,what is the rate of appearance of C₂H₄?