1. 2. A box contains 0.90g of liquid water in equilibrium with water vapour at 27C. The equilibrium vapour pressure of water at 27C is 32.0 Torr. When the volume of the box is increased, some of the liquid water evaporates to maintain the equilibrium pressure. If all the liquid water evaporates, then the volume of the box must be litre. [Nearest Integer] (Given: R=0.082 L atm K- mole-) (Ignore the volume of the liquid water and assume water vapours behave as an ideal gas.) 2.2g of nitrous oxide (NO) gas is cooled at a constant pressure of 1 atm from 310 K to 270 K causing the compression of the gas from 217.1mL to 167.75mL. The change in thermal energy of the process, AU is '-x' J. The value of x' is_ [Nearest Integer] (Given: atomic mass of N = 14 g mol- and of 0 = 16 g mol-1. Molar heat capacity of N2O is 100 J K- mol)