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Equilibrium Temperature Calculation

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1.) Calculate Ke for the following (equilibrium concentrations given below substances). See attached file for full problem description.

2.) For all three of the equilibria in problem #1 predict (1) how Ke is affected by an increase in temperature, (2) predict how the equilibrium will shift when pressure is decreased, (3) predict how the equilibrium will shift when the concentration of the underlined substance is increased, and (4) predict how the equilibrium will shift when the temperature is decreased.

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The solution calculates the Ke for the equilibrium.

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DEAR STUDENT,

THE CURRENT ASSIGNMENT IS BASED ON LE-CHATELIER'S PRINCIPLE.I HAVE SOLVED THE ASSIGNMENT GIVING STEPWISE EXPLANATION.IN CASE YOU NEED REFERANCE/DETAILS OF THE PRINCIPLE THAN FOLLOW THE LINK GIVEN BELOW.
http://en.wikipedia.org/wiki/Le_Chatelier's_principle
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(a) N2(g) + O2(g) + heat 2NO(g)

(b) 2NH3(g) N2(g) + 3H2(g) + heat

(c) 2H2(g) + S2(g) + heat 2 H2S(g)

For all three of the equilibria in problem #1 predict

(a) N2(g) + O2(g) + heat 2NO(g)

(1) How Ke is affected by an increase in temperature.
Answer: Ke will increase, as reaction is endothermic (i.e., heat written along with reactants) in nature.

(2) Predict how the equilibrium will shift when pressure is decreased.
Answer: The change in pressure will have no effect on shifting of reaction equilibrium because number of moles of reactant in gaseous state is equal to number of products in ...

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