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### Calcium carbide $\left(\mathrm{CaC}_{2}\right)$ r…

04:09
Oklahoma State University

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Problem 75

Complete combustion of 1 mol of acetone $\left(\mathrm{C}_{3} \mathrm{H}_{6} \mathrm{O}\right)$ liberates $1790 \mathrm{kJ} :$
\begin{aligned} \mathrm{C}_{3} \mathrm{H}_{6} \mathrm{O}(l)+4 \mathrm{O}_{2}(g) \longrightarrow & 3 \mathrm{CO}_{2}(g)+3 \mathrm{H}_{2} \mathrm{O}(l) \\ & \quad \quad \quad \quad \quad \quad \quad \Delta H^{\circ}=-1790 \mathrm{kJ} \end{aligned}
Using this information together with the standard enthalpies of formation of $\mathrm{O}_{2}(g), \mathrm{CO}_{2}(g),$ and $\mathrm{H}_{2} \mathrm{O}(l)$ from Appendix $\mathrm{C},$ calculate the standard enthalpy of formation of acetone.

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## Video Transcript

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