The density of ammonia at 30oC and 5 atm pressure is:
The density of a gas is 2 gL at 1 atm and 270 C. The density of the same gas at 2 atm and 1270 C is:
What is the density of wet air with 75% relative humidity at 1 atm and 300 K? Given :vapour pressure of H2O is 30 torr and average molar mass of air is 29 g mol−1.