Calculate heat of the following reaction at constant pressure, `F_2O(g) + H_2O(g) to O_2(g) + 2HF(g)` The heats of formation (in Kcal `mol^-1`) of `F_2O(g), H_2O(g)` and HF(g) are 5.5, -57.8and -64.2 respectively.

Justify the following reactions are redox reactions : 4NH_(3)(g)+5O_(2)(g)to4NO(g)+6H_(2)O(g)

Calculate standard enthalpy of reaction at 25^(@)C for the reaction: C Cl_(4)(g)+2H_(2)O(g)toCO_(2)(g)+4HC l(g) . Given: The standard heat of formation of C Cl_(4)(g),H_(2)O(g),CO_(2)(g) and HC l(g) are -25.5,-57.8,-94.1 and -22.1kcal*mol^(-1) .

Predict the sign of entropy change is the following reactions 2H_2(g)+O_2(g)rarr 2H_2O(g)

Calculate Delta H-DeltaU at 25^@C for the reaction: H_2(g)+( 1/2)O_2(g) = H_2O(l) .

The heat of reaction for the following reaction (DeltaH^(0)) at 25^(@)C temperatue is -1368 kJ: C_(2)H_(5)OH(l)+3O_(2)(g) to 2CO_(2)(g)+3H_(2)O(l) If the enthalpy of formation of CO_(2)(g) and H_(2)O(l) at 25^(@)C are -393.5 and -285.8 kJ*mol^(-1) respectively, then what will be the value of the standard enthalpy of formation of C_(2)H_(5)OH(l) ?

Calculate the standard enthalpy of reaction at 25^@C temperature for the following reaction : C_6H_6(I) + frac 15/2 O_2 (g) rarr 6CO_2(g)+3H_2O(I) . Given: The standard enthalpy of formation of C_6H_6(I) , .CO_2(g) and H_2O(I) are 49.0kJ mol^-1 , -393.5 kJ mol^-1 and -285.8 kJ mol^-1 respectively.

Discuss the effect of heat on the equilibrium N_2(g) + O_2(g) = 2NO(g)-44 KCal .

Discuss the rate of the reaction 2N_(2)O_(5(g)) rarr 4NO_(2(g))+O_(2(g))

Given that the equilibrium constant for the reaction 2SO_2(g)+O_2(g) SO_3(g)