Thermodynamics

For the reaction,

\(\mathrm{C}_3 \mathrm{H}_{8(\mathrm{~g})}+5 \mathrm{O}_{2(\mathrm{~g})} \longrightarrow 3 \mathrm{CO}_{2(\mathrm{~g})}+4 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\)

at constant temperature, $\Delta \mathrm{H}-\Delta \mathrm{U}$ is