At high temperature ammonia reduces copperii oxide to the, Ask an Expert

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At high temperature, ammonia reduces copper(II) oxide to the free metal: Step 1: 2NH3(g) + 6CuO(s) => N2(g) + 3Cu2O(s) + 3H2O(g) Step 2: 2NH3(g) + 3Cu2O(s) => N2(g) + 6Cu(s) + 3H2O(g) Use Appendix C to calculate the heat of reaction for Step 2. a. 127.9 kJ b. -27.3 kJ c. 27.3 kJ d. -127.9 kJ e. None of these is within 5% of the correct answer

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