N2 (g) + 3 H2 (g) ? 2NH3 (g) ?H = -92 kJ/mol a. Is this reaction exothermic or endothermic? b. What direction will the equilibrium shift if nitrogen gas is removed? c. What direction will the equilibrium shift if the temperature is lowered? d. What direction will the equilibrium shift if ammonia (NH3) is added? e. What principle helped you answer B-D?
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