Question 4 Consider a gas mixture whose molar composition is 80% propane, 15% n-butane and 5% ethane, initially at 30psia and 60F. The object is to compress 5000 lbm/min of the gas to 100 psia. Determine the number of stages, rotational speed, power requirement and discharge temperature? Question 4 Consider a gas mixture whose molar composition is 80% propane, 15% n-butane and 5% ethane, initially at 30psia and 60F. The object is to compress 5000 lbm/min of the gas to 100 psia. Determine the number of stages, rotational speed, power requirement and discharge temperature