P6.7 The pressure dependence of G is quite different for gases and condensed phases. Calculate Gm for the processes (C, solid, graphite, 1 bar, 298.15K)(C, solid, graphite, 325bar,298.15K) and (He,g,1bar,298.15K)(He,g, 325 bar, 298.15K). By what factor is Gm greater for He than for graphite