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Questions and Answers
What characteristic of the reactants is directly related to the rate of a chemical reaction?
What characteristic of the reactants is directly related to the rate of a chemical reaction?
- Volume
- Density
- Mass
- Concentration (correct)
How does an increase in temperature affect the kinetic energy of molecules?
How does an increase in temperature affect the kinetic energy of molecules?
- Increases kinetic energy (correct)
- Causes molecules to stop moving
- Has no effect on kinetic energy
- Decreases kinetic energy
What role does surface area play in the rate of a chemical reaction?
What role does surface area play in the rate of a chemical reaction?
- Increases the rate of reaction (correct)
- Increases the activation energy
- Has no effect on the reaction
- Decreases the rate of reaction
What is the function of a catalyst in a chemical reaction?
What is the function of a catalyst in a chemical reaction?
How does a higher concentration of reactants affect the rate of collision between molecules?
How does a higher concentration of reactants affect the rate of collision between molecules?
What is the definition of rate of reaction in a chemical reaction?
What is the definition of rate of reaction in a chemical reaction?
Which units are typically used to measure concentration in rate of reaction?
Which units are typically used to measure concentration in rate of reaction?
What is the determining factor affecting the rate of a chemical reaction?
What is the determining factor affecting the rate of a chemical reaction?
How do factors like temperature, concentration, surface area, and catalyst affect the rate of a chemical reaction?
How do factors like temperature, concentration, surface area, and catalyst affect the rate of a chemical reaction?
What does the collision theory state about chemical reactions?
What does the collision theory state about chemical reactions?
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