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AssignmentMultiple Select

Rate of Chemical Reactions

Question 3 • MO-Physical Science A-CR

What factors could be used to increase reaction rate? Check all that apply.using an inhibitorusing a catalystincreasing temperatureincreasing pressuredecreasing concentration

Answer
A
using an inhibitor
B
using a catalyst
C
increasing temperature
D
increasing pressure
E
decreasing concentration

Explanation

A catalyst provides a pathway with lower activation energy, and increasing temperature makes particles move faster and collide more effectively. Increasing pressure can increase the rate of a reaction involving gases by crowding gas particles together and increasing collisions. An inhibitor and decreasing concentration generally slow reactions.

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