For complete combustion of methanol
CH3OH(I) + $${3 \over 2}$$O2(g) $$\to$$ CO2(g) + 2H2O(I)
the amount of heat produced as measured by bomb calorimeter is 726 kJ mol$$-$$1 at 27$$^\circ$$C. The enthalpy of combustion for the reaction is $$-$$x kJ mol$$-$$1, where x is ___________. (Nearest integer)
(Given : R = 8.3 JK$$-$$1 mol$$-$$1)
2.0 g of H2 gas is adsorbed on 2.5 g of platinum powder at 300 K and 1 bar pressure. The volume of the gas adsorbed per gram of the adsorbent is __________ mL.
(Given : R = 0.083 L bar K$$-$$1 mol$$-$$1)
The standard entropy change for the reaction
4Fe(s) + 3O2(g) $$\to$$ 2Fe2O3(s) is $$-$$550 J K$$-$$1 at 298 K.
[Given : The standard enthalpy change for the reaction is $$-$$165 kJ mol$$-$$1]. The temperature in K at which the reaction attains equilibrium is _____________. (Nearest Integer)
The standard free energy change ($$\Delta$$G$$^\circ$$) for 50% dissociation of N2O4 into NO2 at 27$$^\circ$$C and 1 atm pressure is $$-$$ x J mol$$-$$1. The value of x is ___________. (Nearest Integer)
[Given : R = 8.31 J K$$-$$1 mol$$-$$1, log 1.33 = 0.1239 ln 10 = 2.3]