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Chemistry / Chemistry 11 / Chapter 6 / Problem 53P

Chemistry | 11th Edition | ISBN: 9780073402680 | Authors: Raymond Chang

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Chapter 6, Problem 53P

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QUESTION:

Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 3:

(a) \(2 \mathrm{H}_{2}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{g}) \rightarrow 2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})\)

(b) \(2 \mathrm{C}_{2} \mathrm{H}_{2}(\mathrm{g})+5 \mathrm{O}_{2}(\mathrm{g}) \rightarrow 4 \mathrm{CO}_{2}(g)+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})\)

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QUESTION:

Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 3:

(a) \(2 \mathrm{H}_{2}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{g}) \rightarrow 2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})\)

(b) \(2 \mathrm{C}_{2} \mathrm{H}_{2}(\mathrm{g})+5 \mathrm{O}_{2}(\mathrm{g}) \rightarrow 4 \mathrm{CO}_{2}(g)+2 \mathrm{H}_{2} \mathrm{O}(\mathrm{l})\)

ANSWER:

Step 1 of 3

Here, we are going to calculate the heats of combustion for the following reactions.

(a)

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