Have an account?
Skip to Content
Build your own quiz
Suggestions for you
16 questions
Show Answers
See Preview
- 1. Multiple Choice
What is collision theory?
Molecules must collide in the correct orientation with enough energy to bond.
Molecules need enough energy to collide and react.
Atoms constantly collide and react.
The minimum energy needed for atoms to react
- 2. Multiple Choice
Which PE Diagram represents an endothermic reaction?
A
B
- 3. Multiple Choice
Which PE Diagram represents an exothermic reaction?
A
B
- 4. Multiple Choice
What is the rate of reaction?
How much energy is needed for a reaction to occur.
The energy required to break a bond.
The time it takes for a reaction to occur.
Collision Theory
- 5. Multiple Choice
What is the purpose of a catalyst?
Helps to slow down a reaction
Raises the activation energy
Lowers the activation energy
Is consumed by the reaction
- 6. Multiple Choice
What factors effect rate of reaction?
Temperature, Concentration, Pressure and Energy
Surface Area, Concentration, Energy and Pressure
Temperature, Pressure, Concentration and Surface area
Pressure, Surface area, Density and Energy
- 7. Multiple Choice
Would the reaction rate speed up or slow down: A tablespoon of powdered sugar placed into HCL.
Slow down
Speed up
Stays the same
- 8. Multiple Choice
Increasing the temperature of your solution will...
Not affect the rate of reaction.
Speed up the rate of reaction
Slow down the rate of reaction
- 9. Multiple Choice
Decreasing the concentration of a substance will usually...
Slow down the reaction
Speed up the reaction
Have no affect on the reaction
- 10. Multiple Choice
Which has more surface area?
Large chunks of chalk
Cube of sugar
Powdered sugar
Small chunks of sugar
- 11. Multiple Choice
If you shrink the container size that your gas substance is in what will happen?
The reaction rate will stay the same
The reaction rate will speed up
The reaction rate will slow down
- 12. Multiple ChoiceIf the reactant particles collide with less than the activation energy, the particles will be rebound, and no reaction will occur.TrueFalse
- 13. Multiple ChoiceWith the increase in temperature, the average kinetic energy of the molecules increases, leading to a decrease in number of collisions per unit time.TrueFalse
- 14. Multiple ChoiceThe collisions which bring about a chemical reaction are called:Consistent collisionsNormal collisionsEffective collisionsNone of the above
- 15. Multiple ChoiceMore collisions correspond to a:Faster reaction rateSlower reaction rateConstant reaction rateNone of the above
- 16. Multiple Choice
What criteria must be met for reactant collisions to result in a successful product?
The reactants must collide with each other
The reactants must collide with enough energy and be in the right positions
The reactants must have enough energy to form the activated complex
- Answer choicesTagsAnswer choicesTags