MCQ
At room temperature solid paraffin is
- A${C_3}{H_8}$
- B${C_8}{H_{18}}$
- C${C_4}{H_{10}}$
- ✓${C_{20}}{H_{42}}$
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$\Delta {U_{BC}} = - 5\,kJ\,mo{l^{ - 1}},{q_{AB}} = 2\,kJ\,mo{l^{ - 1}}$
$\Delta {W_{AB}} = - 5\,kJ\,mo{l^{ - 1}},{W_{CA}} = 3\,kJ\,mo{l^{ - 1}}$
Heat absorbed by the system during process $CA$ is......$kJ\,mo{l^{ - 1}}$