18. The combustion of pentane is shown by the following equation: C3H12(1) + 802(g) 5CO2(g) + 6H;0(g) Use the following data and the summing method to find the heat of reaction for the above equation. C(s) + O2(g) → CO2(g) + 393 kJ H2(g) + ½O2(g) 5C(s) + 6H2(g) → C;H12(g) + 147 kJ H2O(g) + 242 kJ

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18. The combustion of pentane is shown by the following equation:
C5H12(1) + 802(g)
5CO2(g) + 6H2O(g)
Use the following data and the summing method to find the heat of reaction for the above equation.
C(s) + O2(g) → CO2(g) + 393 kJ
H2(g) + ½O2(g)
5C(s) + 6H2(g) → C;H12(g) + 147 kJ
· H2O(g) + 242 kJ
Transcribed Image Text:18. The combustion of pentane is shown by the following equation: C5H12(1) + 802(g) 5CO2(g) + 6H2O(g) Use the following data and the summing method to find the heat of reaction for the above equation. C(s) + O2(g) → CO2(g) + 393 kJ H2(g) + ½O2(g) 5C(s) + 6H2(g) → C;H12(g) + 147 kJ · H2O(g) + 242 kJ
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