A chemist measures the energy change AH during the following reaction: C₂Hg(9)+50₂(g) → 3 CO₂(g) + 4H₂O(1) Use the information to answer the following question. Suppose 13.9 g of C3Hg react. Calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits. 0 kJ ΔΗ= - 2220. kJ x10

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A chemist measures the energy change \( \Delta H \) during the following reaction:

\[ \text{C}_3\text{H}_8 (g) + 5\text{O}_2 (g) \rightarrow 3\text{CO}_2 (g) + 4\text{H}_2\text{O} (l) \]

\[ \Delta H = -2220. \, \text{kJ} \]

Use the information to answer the following question.

Suppose 13.9 g of \( \text{C}_3\text{H}_8 \) react.

Calculate how much heat will be released or absorbed.

Be sure your answer has the correct number of significant digits.

\[ \boxed{\, \, \, } \, \text{kJ} \]

Note: There is no graph or diagram present. The box is for entering the calculated energy change in kilojoules.
Transcribed Image Text:A chemist measures the energy change \( \Delta H \) during the following reaction: \[ \text{C}_3\text{H}_8 (g) + 5\text{O}_2 (g) \rightarrow 3\text{CO}_2 (g) + 4\text{H}_2\text{O} (l) \] \[ \Delta H = -2220. \, \text{kJ} \] Use the information to answer the following question. Suppose 13.9 g of \( \text{C}_3\text{H}_8 \) react. Calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits. \[ \boxed{\, \, \, } \, \text{kJ} \] Note: There is no graph or diagram present. The box is for entering the calculated energy change in kilojoules.
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