Multiple Choice
The rate of diffusion is affected by which of the following factors?
15. Chemical Kinetics
Factors Influencing Rates
Back15. Chemical Kinetics
Factors Influencing Rates
- Multiple ChoiceWhich of the following is not a factor that influences the rate of a chemical reaction?
- Multiple ChoiceHow does the distance between particles affect the rate of diffusion?
- Multiple ChoiceWhich of the following factors does not affect the rate of diffusion?
- Multiple ChoiceWhich of the following factors affects the rate of diffusion of a substance?
- Multiple Choice
Which of the following reacting molecules are able to produce products the fastest?
- Multiple Choice
A chemist tries to burn sulfur in air and notices that it burns very slowly. Chemist then burns sulfur in pure oxygen and observes a brilliant blue flame. Which factor is affecting the reaction rate?
- Multiple ChoiceThe rate law for a particular mechanism is expressed as rate = [A]2[B]. If [A] is halved and [B] is doubled, how would the overall rate be affected?
- Multiple ChoiceIdentify the intermediate in the mechanism below:
Step 1:NO2 → NO + O
Step 2:O + NO2 → O2 + NO - Multiple ChoiceCalculate the activation energy for the reaction that has a rate constant of 0.124 s–1 at 125.0 °C and a rate constant of 0.345 at 200.0 °C.
- Multiple ChoiceWhich of the following statements is false about the effect of temperature on the reaction rate?
- Open Question
How will increasing the surface area of one or more reactants affect the reaction rate of a system?
- Open Question
What two factors speed up rates of chemical reaction and weathering in rocks and soils?
- Open Question
Which of the following could increase the rate of chemical weathering of a rock?
- Open Question
Which of the following factors directly impacts the rate at which a liquid evaporates?