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Questions and Answers
Which factor affects the rate of a chemical reaction?
Which factor affects the rate of a chemical reaction?
- Color
- Temperature (correct)
- Density
- Solubility
What is a catalyst?
What is a catalyst?
- A substance that decreases the rate of a chemical reaction
- A substance that changes the products of a chemical reaction
- A substance that increases the rate of a chemical reaction without undergoing any permanent chemical change itself (correct)
- A substance that does not affect the rate of a chemical reaction
What is the order of a chemical reaction?
What is the order of a chemical reaction?
- The number of reactants in the chemical equation
- The sum of the coefficients in the balanced chemical equation
- The sum of the exponents of the concentration terms in the rate law equation (correct)
- The number of products in the chemical equation
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