PH-1703

Gas pressure

Physics · Secondary 4 · Hard · Gas pressure

A gas is trapped in a cylinder by a piston. Initially the pressure is

1.2 \times 10^5\,\text{Pa}

and the volume is

300\,\text{cm}^3

. The gas is compressed at constant temperature until its volume is

200\,\text{cm}^3

.

What is the new pressure of the gas?

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