An ideal gas is kept at constant volume of 2.00 L as its temperature is increased, raising the pressure from 15.0 kPa to 30.0 kPa. What work is performed by or on the gas during this process?

30.0 J performed by the gas

4.00 J performed on the gas

0 J

30.0 J performed on the gas

0 J

Explanation:

The work done by an ideal gas is given by the equation:

where

W is the work done by the gas

p is the pressure of the gas

is the change in volume of the gas

In this problem, we have a gas kept at a constant volume of

V = 2.00 L

This is an isochoric process (constant volume). Since the volume is constant, the change in volume is zero:

And therefore, this means that the work done by the gas is zero:

W = 0

the independent variable, the one that is intentionally manipulated, is whether or not the car hits the barrier.

the dependent variable, the one that you measure the response in, is the distance that the washers travel.

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