1. A rubber membrane, 0.5 mm thick, separates hydrogen and oxygen gases. The hydrogen is at 25 C and 2 atm pressure and the oxygen is at 25 C and 0.9 atm pressure. What are the initial rates of mass...

1. A rubber membrane, 0.5 mm thick, separates hydrogen and oxygen gases. The hydrogen is at 25 C and 2 atm pressure and the oxygen is at 25 C and 0.9 atm pressure. What are the initial rates of mass flux of the hydrogen and oxygen through the membrane?

2. A one-liter bottle of sparkling water is charged with carbon dioxide at 2 atm pressure and 20 C. The gas space above the liquid contains a saturated mixture of water vapor and carbon dioxide. What is the amount of dissolved CO₂
in the water?