For the reaction, `A (g) + 2B(g) rarr 2C(g) + 3D(g)` the change of enthalpy at `27^@C` is 19 kcal. The value of `Delta E` is:

X(g) + 2Y(g) rarr 2Z(g) + 3A(g) The change in enthalpy at 27^(@)C is 79.5 kJ. The value of Delta U is

X(g) + 2Y(g) rarr 2Z(g) + 3A(g) The change in enthalpy at 27^(@)C is 79.5 kJ. The value of Delta U is

For the reaction A(g)+2B(g)rarr2C(g)+3D(g) , the value of DeltaH at 27^(@)C is 19.0 kcal . The value of DeltaE for the reaction would be (R=2.0 cal H^(-1)mol^(-1))

For the reaction, A(s) + 3B(g) rarr 4C(g) + d(l) Delta H and Delta U are related as :

For the reaction, A(s) + 3B(g) rarr 4C(g) + d(l) Delta H and Delta U are related as :

For a reaction 2A(g)+2B(g) rarr 2C(g)+D(g) . If heat of reaction at constant pressure is -28 K.cal. The heat of reaction at constant volume at 27^(@)C is

For a gaseous reaction, A(g)+3B(g)rarr3C(g)+3D(g) triangleU is 17 kcal at 27^@C . Assuming R=2cal K^-1 mol^-1 , the value of triangleH for the above reaction will be: