Test: MCAT Physical

If the reactants and/or products in a chemical reaction are gases, the reaction rate can be determined by measuring the change of pressure as the reaction proceeds. Consider the following reaction and pressure vs. reaction rate data below.

 


Trial

PXY(torr)

PZ(torr)

Rate (torr/s)

1

100

200

0.16

2

200

200

0.32

3

200

100

0.04

4

200

150

0.14

1.

If the volume of the container were reduced, what would happen to the rate of the reaction?

Stay the same

Decrease

Increase

It depends on the pressure

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