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


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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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