Question

A sample of helium gas is placed in a rigid cylinder that has a movable piston. The volume of the gas is varied by moving the piston, while the temperature is held constant at 273 K. The volumes and corresponding pressures for three trials are measured and recorded in the data table below. For each of these trials, the product of pressure and volume is also calculated and recorded. For a fourth trial, only the volume is recorded.

Determine the pressure of the helium gas in trial 4. [1]

Answer 1

well, we know that Pxv will always be the same , which is 0.412

so the pressure would be :
1.373 / 0.412

which make the pressure around 0.300 Atm

Hope this helps