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Samuels CHEM Chemical Kinetics II
Test Description: Chemistry Chemical Kinetics II
Instructions: Answer all questions to get your test result.
1) A reaction in which the products are lower in energy than the reactants.
A
exothermic
B
ixothermic
C
endothermic
D
indothermic
2) A reaction in which the products are higher in energy than the reactants.
A
ixothermic
B
exothermic
C
endothermic
D
indothermic
3) A reaction in which the enthalpy of reaction is negative.
A
exothermic
B
endothermic
C
indothermic
D
ixothermic
4) A reaction in which the enthalpy of reaction is positive.
A
indothermic
B
endothermic
C
ixothermic
D
exothermic
5) A biological catalyst made of proteins is also called a(n) _______.
A
carbohydrate
B
lipid
C
nucleic acid
D
enzyme
6) Catalysts that exist in the same phase as the reactants is _______.
A
heterogenous catalyst
B
homogenous catalyst
C
exothermic catalyst
D
endothermic catalyst
7) The elementary reaction that occurs more slowly because it has a greater activation energy is known as the _______.
A
activation step
B
chain step
C
rate-determining step
D
reaction step
8) A series of steps that produces reactive atoms is known as a _______.
A
activation energy
B
kinetic reaction
C
rate-determining step
D
chain reaction
9) An equation that relations the reaction rate to the concentrations of the reactants is known as _______.
A
kinetic step
B
kinetic law
C
rate law
D
rate-determining equation
10) A solid catalyst placed placed in liquid reactants would be an example of a _______.
A
heterogenous catalyst
B
exothermic catalyst
C
endothermic catalyst
D
homogenous catalyst
*select an answer for all questions
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