The absolute entropies of `H_(2(g)), O_(2(g)) and H_2O_((l))` are respectively `130.6, 205.1 and 69.9 JK-mol^(-1)`. Calculate the value of `DeltaS` for the formation of one mole liquid water.

Standard enthalpies of C_(6)H_(6)(l),H_(2)O(g) " and "CO_(2)(g) are respectively 11.7, -68.3 and -94 kCal. Calculate the calorific value of benzene.

At 298K heats of formation of H_(2)O_((l)), CO_(2(g)), HCl_((g)) and C Cl_(4(l)) are respectively -241.8, -393.7, -92.5 and -106.7 kJ mol^(-1) . Calculate DeltaH for the following reaction C Cl_(4(l)) + 2H_2O_((g)) to CO_(2(g)) + 4HCl_((g))

Standard entropies of H_(2)(g),O_(2)(g) " and "H_(2)O(l) are respectively 126.6, 201.2 and 68JK^(-1)mol^(-1) Determine DeltaS" for "2H_(2)(g)+O_(2)(g) to 2H_(2)O(l) at 25^(@)C .

The heats of formation of CO_(2(g)) , H_2O_((l)) and CH_(4(g)) are respectively –394 kJ mol^(-1), -286 kJ mol^(-1) and -76 kJ mol^(-1) . Calculate the heat of combustion of methane.

The standard enthalpies of formation of H_(2)O_(2(l)) and H_(2)O_((l)) are -187.8kJ "mole"^(-1) and -285.8 kJ "mole"^(-1) respectively. The DeltaH^(0) for the decomposition of one mole of H_(2)O_(2(l)) " to" H_(2)O_((l)) and O_(2(g)) is

The standard enthalpies of formation of H_(2)O_(2(l)) and H_(2)O_((l)) " are " -187.8 kJ "mole"^(-1) and -285.8 kJ "mole"^(-1) respectively. The Delta H^(0) for the decomposition of one mole of H_(2)O_(2(l)) " to " H_(2)O_((l)) and O_(2(g)) is