[" For the reaction "],[A(g)+2B(g)longrightarrow2C(g)+3D(g)],[" the change of enthalpy at "27^(@)C" is "19kcal" .The value of "Delta E" is "]

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:

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))