Consider the reactions 3C(graphite) + 4H2(g) → C3H8(g) AH = -103.8 kJ %3D C(graphite) + O2(g) → CO2(g) AH = -393.5 kJ 2 H20(g) → 2 H2(g) + O2(g) AH = +483.6 kJ What is the AH for the over all reaction shown below in kJ/mol? Report your answer to one decimal place. C C3H8(g) + 502(g) → 3CO2(g) + 4H20(g)

Chemistry: Principles and Reactions
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Author:William L. Masterton, Cecile N. Hurley
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Chapter8: Thermochemistry
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Please see attached photo and help solve for #8. Thanks!
Consider the reactions
3C(graphite) + 4H2(g) → C3H8(g) AH = -103.8 kJ
C(graphite) + O2(g) → CO2(g) AH = -393.5 kJ
%3D
2 H20(g) → 2 H2(g) + O2(g) AH = +483.6 kJ
What is the AH for the over all reaction shown below in
kJ/mol?
Report your answer to one decimal place. [
C3H8(g) + 502(g) → 3CO2(g) + 4H2O(g)
Transcribed Image Text:Consider the reactions 3C(graphite) + 4H2(g) → C3H8(g) AH = -103.8 kJ C(graphite) + O2(g) → CO2(g) AH = -393.5 kJ %3D 2 H20(g) → 2 H2(g) + O2(g) AH = +483.6 kJ What is the AH for the over all reaction shown below in kJ/mol? Report your answer to one decimal place. [ C3H8(g) + 502(g) → 3CO2(g) + 4H2O(g)
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