Click the Delta H is an Extensive Property button, and analyze the relationship

Question

Click the Delta H is an Extensive Property button, and analyze the relationship between the two reactions that are displayed. The reaction that was on the screen when you started and its derivative demonstrate that the change in enthalpy for a reaction. Delta H, is an extensive property. Using this property, calculate the change in enthalpy for Reaction. Reaction: C3H8(g) + 5O2(g) rightarrow 3CO2(g) + 4H2O(g), Delta H1 = -2043 kJ Reaction: 4C3H8(g) + 20O2(g) rightarrow 12CO2(g) + 16H2O(g), Delta H2 =? Click on the Hess's I .aw of Constant Heat Summation. button and use the example shown to calculate the reaction enthalpy, Delta H, for the following reaction: CH4(g) + 2O2(g) - CO2(g) + 2H2O Use the series of reactions that follow: C(s) + 2H2(g) rightarrow CH4(g), Delta H = -74.8 kJ- C(s) + O2(g) rightarrow CO2(g), Delta H = -393.5 kJ- 2H2(g) + O2(g) 2H2O(g), Delta H = -484.0 kJ. H2O(1) rightarrow H2O(g), Delta H = 44.0 kJ.

Explanation / Answer

solution: A.) 4*(-2043)= - 8172 kJ. B.) -1+2+3-4= -846.7 kJ

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