A cylinder is fitted with a leak proof piston and is calibrated so that the volume in the cylinder can be read from a scale for any position of the piston. The cylinder is plunged in a constant-temperature bath maintained at 160 F. Around 45,000 cm3 of the gas, measured at 14.7 psia and 60 F is charged to the cylinder. The volume is reduced in the steps indicated below and the corresponding pressures are read with a dead-weight tester after temperature equilibrium is reached.
Q1. Compute and place in tabular form the z factors and the ideal volumes that the initial 45,000 cm3 occupies at 160 F and at each and every pressure.
Q2. Compute the specific gas gravity of the gas.
Ppsia Vcm3
300.0 2,529.0
750.0 964.0
1500.0 453.0
2500.0 265.0
4000.0 180.0
5000.0 156.5
6000.0 142.2