Samuels CHEM Chemical Kinetics II Question Preview (ID: 31600)


Chemistry Chemical Kinetics II. TEACHERS: click here for quick copy question ID numbers.

A reaction in which the products are lower in energy than the reactants.
a) exothermic
b) endothermic
c) indothermic
d) ixothermic

A reaction in which the products are higher in energy than the reactants.
a) endothermic
b) exothermic
c) indothermic
d) ixothermic

A reaction in which the enthalpy of reaction is negative.
a) exothermic
b) endothermic
c) indothermic
d) ixothermic

A reaction in which the enthalpy of reaction is positive.
a) endothermic
b) exothermic
c) indothermic
d) ixothermic

A biological catalyst made of proteins is also called a(n) _______.
a) enzyme
b) carbohydrate
c) lipid
d) nucleic acid

Catalysts that exist in the same phase as the reactants is _______.
a) homogenous catalyst
b) heterogenous catalyst
c) exothermic catalyst
d) endothermic catalyst

The elementary reaction that occurs more slowly because it has a greater activation energy is known as the _______.
a) rate-determining step
b) reaction step
c) activation step
d) chain step

A series of steps that produces reactive atoms is known as a _______.
a) chain reaction
b) rate-determining step
c) activation energy
d) kinetic reaction

An equation that relations the reaction rate to the concentrations of the reactants is known as _______.
a) rate law
b) rate-determining equation
c) kinetic law
d) kinetic step

A solid catalyst placed placed in liquid reactants would be an example of a _______.
a) heterogenous catalyst
b) homogenous catalyst
c) exothermic catalyst
d) endothermic catalyst

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