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Which of the following reactions is endothermic? H2(g) + ½O2(g) → H2O(g), ΔH = -57.82 kcal ½N2(g) + O2(g) + 8.1 kcal → NO2(g) ½N2(g) + 3/2H2(g) → NH3(g) + 11.0 kcal C(diamond) + O2(g) → CO2, ΔH = -94.50

asked Dec 25, 2017

Chemistry
high-school

2 answers

3 votes

46.9k views

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