The perfect gas law relates the pressure p, absolute temperature T, mass m, and volume V of a gas. It states
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The constant R is the gas constant. The value of R for air is 286.7 (N Ă‚Â· m)/(kg Ă‚Â· K). Suppose air is contained
in a chamber at room temperature (20Ă‚Â°C = 293 K). Create a plot having three curves of the gas pressure in
N/m2 versus the container volume V in m3 for 20 Ă˘â€°Â¤ V Ă˘â€°Â¤ 100. The three curves correspond to the following
masses of air in the container: m = 1 kg, m = 3 kg, and m = 7 kg.