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Questions and Answers
What does chemical kinetics study?
What does chemical kinetics study?
- The products of chemical reactions
- The rates and mechanisms of chemical reactions (correct)
- The rates of chemical reactions only
- The mechanisms of chemical reactions
What is an important factor in determining the rate of a chemical reaction?
What is an important factor in determining the rate of a chemical reaction?
- Smell of the reactants
- Nature of the reactants (correct)
- Nature of the products
- Color of the reactants
Why do reactions occur faster at higher temperatures?
Why do reactions occur faster at higher temperatures?
- Because molecules have more energy (correct)
- Because molecules are lighter
- Because molecules are heavier
- Because molecules have less energy
What is the function of a catalyst in a chemical reaction?
What is the function of a catalyst in a chemical reaction?
According to the collision theory, what determines the rate of a chemical reaction?
According to the collision theory, what determines the rate of a chemical reaction?
What happens when the concentration of one or more reactants increases?
What happens when the concentration of one or more reactants increases?
What is a major reason why reactions may have different rates under the same conditions?
What is a major reason why reactions may have different rates under the same conditions?
What is the primary function of a catalyst in a chemical reaction?
What is the primary function of a catalyst in a chemical reaction?
Why does food spoil more quickly at room temperature than in a refrigerator?
Why does food spoil more quickly at room temperature than in a refrigerator?
What is the primary condition necessary for a chemical reaction to occur, according to collision theory?
What is the primary condition necessary for a chemical reaction to occur, according to collision theory?
What is an effect of increasing the surface area of contact between reactants?
What is an effect of increasing the surface area of contact between reactants?
What is a characteristic of homogeneous and heterogeneous reactions?
What is a characteristic of homogeneous and heterogeneous reactions?
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