Question

The standard enthalpies of combustion of C6H6(L), C(Graphite), H2(g) are respectively -3270, -394 and -286 kj/mol. What is the standard enthalpy of formation of benzene

(liquid) is
(a) – 48
(b)+48
(c) – 480
(d)+480​

Answer 1

Explanation:

The standard enthalpies of combustion of C6H6 ,C(graphite) and H2 are -3267 kJ mol -393.5 kJ mol & -285.83 kJ mol' respectively. The standard enthalpy of formation of benzene