When 1 mole of HCl(g) reacts with NH3(g) to form NH4Cl(s) according to the following equation, 176 kJ of energy are evolved. HCl(g)+ NH3(g)----->NH4Cl(s) Is this reaction endothermic or exothermic? _________(endothermic or exothermic) What is the value of q?  ______kJ

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