For , is 176 at 1240 K. The for the change is equal to…

CHEMISTRY · Single correct · CBSE · Chemistry · Thermodynamics · Thermodynamics

Problem

\Delta H

for

\text{CaCO}_3(\text{s}) \rightarrow \text{CaO}(\text{s}) + \text{CO}_2(\text{g})

, is 176

\text{kJ mol}^{-1}

at 1240 K. The

\Delta U

for the change is equal to : (A) 160 kJ (B) 165.6 kJ (C) 186.3 kJ (D) 180.0 kJ