04 Question (1 point) A 1.00-L solution contains 4.00*10-4 M Cu(NO3)2 and 1.00×10% Methylenediamine (en). The Ky for Cu(en)22 is 1.00 x 1020
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Cu?+ (aq) + 2en(aq) Cu(en)}+ (aq)
(cu(en)}" ]
(Cu2+ ][en]
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What is the concentration of Cu2(aq) in the solution?
2.6
x 10-13 M
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Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal