The reactions below are currently at equilibrium. Identify the equilibrium shift

Question

The reactions below are currently at equilibrium. Identify the equilibrium shift that takes place after each reaction is gently warmed. Click in each blue box below to toggle the direction of the equilibrium shift. An arrow to the left indicates an increase in the concentration of reactants, an arrow to the right indicates an increase in the concentration of products, and a blank box indicates no change. COlg)+ 2H 2(g) CH OH (g) 11°=-90.2 kJ/mol Direction of equilibrium shift due to warming: NH3(aq) +H2O(1) NH; (aq) + OH-(aq) 11=3.59 kJ / mol Direction of equilibrium shift due to warming: 12(g) 12(s) 11°=-62.4 kJ/mol Direction of equilibrium shift due to warming:

Explanation / Answer

A. <- Shifts to the left as the reaction is exothermic. (dH = -90.2 kJ/mol)

B. -> Shifts to the right as the reaction is endothermic. (dH = 3.59 kJ/mol)

C. <- Shifts to the left as the reaction is exothermic. (dH = -62.4 kJ/mol)

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