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Chemistry
University
Chemical Reactions and Factors Affecting Reaction Rate
10 questions
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- 1. Multiple ChoiceThe rate of a chemical reaction is NOT affected by which of the following:temperatureconcentrationparticle size (surface area)All of these affect reaction rates
- 2. Multiple ChoiceThe rate of a reaction increases as temperature__________________.DecreasesIncreasesStays the Same
- 3. Multiple ChoiceProducts will form faster if____________the particle size of the reactants are larger.temperature is decreased.concentration of the reactants are increased.the reaction is not stirred.
- 4. Multiple ChoiceA ______________ is a substance that increases the rate of a reaction without being used up during the reaction.catalystproductreactantsolute
- 5. Multiple ChoiceCatalysts permit reactions to proceed along a ___________energy path.lowerhigher
- 6. Multiple ChoiceSmaller particle size allows for a _________ surface area to be exposed for the reaction.largersmaller
- 7. Multiple ChoiceThe ___________ the surface area of the reactants, the faster the reaction rate.largersmaller
- 8. Multiple ChoiceIncreasing the temperature will increase the kinetic energy of particles, therefore increasing the collisions between particles.falsetrue
- 9. Multiple ChoiceUsually lowering the temperature will slow down a reaction.falsetrue
- 10. Multiple ChoiceIncreasing the concentration of the reactants will slow down the reaction.falsetrue
- Answer choicesTagsAnswer choicesTags