Hydrogen cyanide is used in the manufacture of clear plastics such as Lucite and Plexiglas. It is
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2NH3(g) + 3O2(g) + 2CH4(g) → 2HCN(g) + 6H2O(g)
The reaction evolves 939 kJ of heat per 2 mol HCN formed. Is the reaction endothermic or exothermic? What is the value of q?
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