Concerning the Reaction How Many Grams of C(graphite) Must Be Burned to Release

question 67

Multiple Choice

Concerning the reaction $\mathrm{C} \text { (graphite) }+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}_{2}(\mathrm{~g}) \quad \Delta \mathrm{H}^{\circ}=-393 \mathrm{~kJ} / \mathrm{mol}$ how many grams of C(graphite) must be burned to release 275 kJ of heat

• A) 0.70 g
• B) 8.40 g
• C) 12.0 g
• D) 17.1 g
• E) 22.3 g

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