Washington Comprehensive Assessment Of Science (WCAS) Grade 11 Practice Questions - Washington Comprehensive Assessment Of Science - Grade 11 Exam

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Consider the reversible exothermic synthesis of ammonia: N2(g) + 3 H2(g) 2 NH3(g) + Heat. If the temperature of the equilibrium system is increased, how will the reaction respond according to Le Chatelier's principle?

The equilibrium will shift to the left (toward reactants N2 and H2) to absorb added thermal energy. The equilibrium will shift to the right (toward product NH3) to generate more heat. The equilibrium position will remain completely unaffected. The reaction will produce solid nitrogen crystals.

Correct Answer:

The equilibrium will shift to the left (toward reactants N2 and H2) to absorb added thermal energy.

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