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WorksheetsL2 N5 Factors Affecting Rate
Total questions: 25
Worksheet time: 25mins
Which of the following increase the reaction rate?
less surface area
lower temperature
increasing pressure
increased concentration
If the temperature is reduced, a reaction rate will ______
increase
decrease
stay the same
If the concentration of a reactant is increased, the reaction rate will ___________.
increase
decrease
stay the same
The ____________ states that atoms, ions, or molecules must collide in order to react.
transition state
activation energy
rate law
collision theory
Which of the following are the factors that affecting the rate of reactions?
Size of reactants
Concentration of reactants
Temperature
Presence of catalyst
All of above
Which of the following statement is correct?
Smaller size of reactants, smaller total surface area, higher reaction rate
Larger size of reactants, smaller total surface area, higher reaction rate
Smaller size of reactants, larger total surface area, higher reaction rate
Larger size of reactants, larger total surface area, higher reaction rate
____________ temperature can ___________ the rate of reaction.
Higher; increase
Lower; increase
Moderate; increase
Does the presence of catalyst will change the amount of product?
Yes
No
_______ refers to how much solute is dissolved in
a solution.
Surface Area
Catalyst
Temperature
Concentration
Four light sticks are placed in water baths of varying temperatures. At which temperature would the light stick glow the brightest?
0
30
20
40
Explain why decreasing particle size increases the rate of reaction
Explain why increasing the temperature increases the rate of reaction
Explain why increasing the concentration increases the rate of reaction
