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The Thermochemical Equation for the Formation of Ammonia from Elemental

Question 27

Multiple Choice

The thermochemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows. N2(g) + 3 H2(g) The thermochemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows. N<sub>2</sub>(g) + 3 H<sub>2</sub>(g) 2 NH<sub>3</sub>(g) ΔH = -92.2 kJ Given a system that is initially at equilibrium,which of the following actions cause the reaction to proceed to the left? A) adding N<sub>2</sub>(g) B) removing NH<sub>3</sub>(g) C) adding a catalyst D) decreasing the temperature E) removing H<sub>2</sub>(g) 2 NH3(g)
ΔH = -92.2 kJ
Given a system that is initially at equilibrium,which of the following actions cause the reaction to proceed to the left?


A) adding N2(g)
B) removing NH3(g)
C) adding a catalyst
D) decreasing the temperature
E) removing H2(g)

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