Subject: Physical Chemistry · Chapter: Thermodynamics · Topic: Thermodynamics – General · Exam: NET DEC 2011 · Marks: 2 · Difficulty: Medium
For the reaction $\mathrm{C}_{2} \mathrm{H}_{4}(\mathrm{g})+3 \mathrm{O}_{2}(\mathrm{g}) \rightarrow 2 \mathrm{CO}_{2}(\mathrm{g})+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})$, the value of $\Delta \mathrm{H}-\Delta \mathrm{U}$ (in kJ ) at 300 K and 1bar is