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Click the button within the activity, and analyze the relationship between the two reactions that are...

Click the button within the activity, 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, ΔH , is an extensive property. Using this property, calculate the change in enthalpy for Reaction 2. Reaction 1: C 3 H 8 (g)+5 O 2 (g)→3C O 2 (g)+4 H 2 O(g), Δ H 1 =−2043 kJ Reaction 2: 5 C 3 H 8 (g)+25 O 2 (g)→15C O 2 (g)+20 H 2 O(g), Δ H 2 =? Express your answer to four significant figures and include the appropriate units.

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