Chemistry

Problem

For a gaseous reaction,

A(g) + 3B(g) \longrightarrow 3C(g) + 3D(g)

\Delta U

is 17 Kcal at

27^\circ C

assuming

R = 2 \text{ cal K}^{-1} \text{ mol}^{-1}

, the value of

\Delta H

for the above reaction is :- (1) 15.8 Kcal (2) 18.2 Kcal (3) 20.0 Kcal (4) 16.4 Kcal