. A vessel contains a mixture of 34.9 grams of H2 (g) and 17.7 grams of CH4. If the total pressure inside the vessel is measured at 2.92 atm, the partial pressure of H2 (g) must be atm.

The lattice enthalpy (formation of ionic solid from ions in the gas phase) for agcl(s) is -916 kj/mol and the hydration enthalpy (dissolution of gaseous ions into water) is -850 kj/mol. how much heat (in joules) is involved in forming 1l of saturated agcl solution (1.8 × 10-4 g / 100 ml water) by dissolving agcl(s)? assume solution volume does not change much upon dissolution. the equations are given below. ag+(g) + cl−(g) æ agcl(s)