At `25^@C` What is the difference between `DeltaH` and `DeltaS` for the following reaction? `2H_2(g)+O_2(g)rarr 2H_2O(l)`

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

What will be the difference between DeltaH and DeltaU in the combustion reaction of C_(10)H_(8)(g) at 25^(@)C ?

Delta H- Delta U for the reaction C_3H_8(g) +SO_2 (g) = 3CO_2 (g) + 4H_2O (g) .

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

Predict the sign of DeltaS^(0) for the given reaction? 2H_(2)S(g)+3O_(2)(g)to2H_(2)O(g)+2SO_(2)(g) .

Calculate the difference between heat of reaction at constant pressure and at constant volume for the following reaction at 25^@C . 2C_6H_6(I) + 15O_2(g) rarr 12CO_2(g)+6H_2O(I) .

At 25^(@)C and 1 atm pressure, DeltaH and pressure-volume work for the reaction, 2H_(2)(g)+O_(2)(g)to2H_(2)O(g) , are -483.7kJ and 2.47kJ respectively. In this reaction the value of DeltaU is-

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

Diborane [B_(2)H_(6)(g)] is used as a very effective fuel for rockets. Calculate the heat of combustion of diborane for the following reaction: B_(2)H_(6)(g)+3O_(2)(g)toB_(2)O_(3)(g)+3H_(2)O(g) Given: (1) 2B(s)+(3)/(2)O_(2)(g)toB_(2)O_(3) (s),DeltaH^(0)=-1273kJ*mol^(-1) (2) H_(2)(g)+(1)/(2)O_(2)(g)toH_(2)O(l),DeltaH^(0)=-285.8kJ*mol^(-1) . (3) H_(2)O(l)toH_(2)O(g),DeltaH^(0)=+44kJ*mol^(-1) (4) 2B(s)+3H_(2)(g) to B_(2)H_(6)(g),DeltaH^(0)=+36kJ*mol^(-1) .