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Questions and Answers
What is the relationship between the rate of a chemical reaction and the concentration of reactants?
What is the relationship between the rate of a chemical reaction and the concentration of reactants?
- The rate of a chemical reaction is not affected by the concentration of reactants.
- The rate of a chemical reaction is determined by the volume of reactants.
- The rate of a chemical reaction is inversely proportional to the concentration of reactants.
- The rate of a chemical reaction is directly proportional to the concentration of reactants. (correct)
What is the importance of controlling the rate of chemical reactions?
What is the importance of controlling the rate of chemical reactions?
- To ensure that the reaction progresses slowly and safely. (correct)
- To ensure that the reaction progresses quickly and efficiently.
- To ensure that the reaction produces a high yield of products.
- To ensure that the reaction is exothermic.
How can the rate of a chemical reaction be calculated?
How can the rate of a chemical reaction be calculated?
- By monitoring the color change of the reaction mixture.
- By observing the texture of the reactants.
- By measuring the temperature of the reaction mixture.
- By making measurements on how volume, concentration or mass change. (correct)
