Calculate the total amount of energy, in kJ for the reaction at the top.  Round to the nearest tenth of kJ.

Chemistry: An Atoms First Approach
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ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter7: Chemical Energy
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Problem 59E: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield...
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 Calculate the total amount of energy, in kJ for the reaction at the top.  Round to the nearest tenth of kJ.

 
Consider the following reaction:
CH4(8) + 202(g) → CO2(g) +2H2O(1)
Use the series of reactions that follow:
1. C(s) + 2H2(g) – CH4(g), AH =-74.8 kJ.
2. C(s) + O2(g) → CO2(g). AH =-393.5 kJ.
3. 2H2(g) + O2(g) → 2H2O(g), AH =
= -484.0 kJ.
4. H2O(1) → H3O(g), AH =44.0 kJ.
Calculate the total amount of energy, in kJ for the reaction at the top. Round to the nearest tenth
of kJ.
Transcribed Image Text:Consider the following reaction: CH4(8) + 202(g) → CO2(g) +2H2O(1) Use the series of reactions that follow: 1. C(s) + 2H2(g) – CH4(g), AH =-74.8 kJ. 2. C(s) + O2(g) → CO2(g). AH =-393.5 kJ. 3. 2H2(g) + O2(g) → 2H2O(g), AH = = -484.0 kJ. 4. H2O(1) → H3O(g), AH =44.0 kJ. Calculate the total amount of energy, in kJ for the reaction at the top. Round to the nearest tenth of kJ.
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