One mole of H2(g) undergoes the following change in state. H2(g, 319 K, 4.47 bar) H2(g, 287 K, 6.54 bar) What is S for the gas? Assume ideal gas behaviour. The constant pressure molar heat capacity for H2(g) is Cp,m = 29.10 J K1 mol1. Enter your answers in the specified units with three or more significant figures . Do not include units as part of your answer. S = Number J K1