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Part C Hess's Law of Constant Heat Summation. Click on the enthalpy, AH, for the following reaction: Submit Use the series of reactions that follow:

Part C Hess's Law of Constant Heat Summation. Click on the enthalpy, AH, for the following reaction: Submit Use the series of reactions that follow: 1. C(s) + 2H(g)CH(g), AH = -74.8 kJ. 2. C(s) + O(g) CO (g), AH = -393.5 kJ. 3. 2H2(g) + O2(g) 2HO(g), AH = -484.0 kJ. 4. HO(1)HO(g), AH = 44.0 kJ. Express your answer with appropriate units. View Available Hint(s) H Value button within the activity and use the example shown to calculate the reaction CH4 (g) +202 (g)CO2 (g) + 2HO (1) Units B

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