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16 Nov 2019
62. What is AS for the reaction 2NO(g) +02(g)âN,04(g)? AS 176 J 55, which has a value ofzero at 25 â? No.(g) â 2NO2(g) NO(g) + ½O2(g) â NO2(g) AS =-73 J (B) -249 J (A) AG,"of 0(g) (D) all of these -322 J K- (A) (C) -103 J K Which figure represents a process with a pos 56. When the reaction A B reaches equilibrium, which (D) +103 J-k quantity equals zero? (A) The concentrations of A and B (B) The enthalpy change. Î// (C) The equilibrium constant, Kq (D) The free energy change, AG 63. change? 57. In which reaction will the entropy of the system increase? (A) 3N2(g)+H2(g)â2NHs(g) (B) Q (B) 2Znis) +02(g)â2Zn0(s) (C) Caco,(s) â CaO(s) + CO2(g) (D) H2O(l) + CO2(g) â H2CO3(aq) What is the free energy change for the formation of one mole of ammonia from its elements under standard conditions? 58. (A) -66.0 k (C) -16.5 k (B) -33.0 kJ (D) 66.0 kJ 59. Arrange Na(s), NaCI(s), and NaC(aq) in the order of increasing standard molar entropy (A) Na(s)
62. What is AS for the reaction 2NO(g) +02(g)âN,04(g)? AS 176 J 55, which has a value ofzero at 25 â? No.(g) â 2NO2(g) NO(g) + ½O2(g) â NO2(g) AS =-73 J (B) -249 J (A) AG,"of 0(g) (D) all of these -322 J K- (A) (C) -103 J K Which figure represents a process with a pos 56. When the reaction A B reaches equilibrium, which (D) +103 J-k quantity equals zero? (A) The concentrations of A and B (B) The enthalpy change. Î// (C) The equilibrium constant, Kq (D) The free energy change, AG 63. change? 57. In which reaction will the entropy of the system increase? (A) 3N2(g)+H2(g)â2NHs(g) (B) Q (B) 2Znis) +02(g)â2Zn0(s) (C) Caco,(s) â CaO(s) + CO2(g) (D) H2O(l) + CO2(g) â H2CO3(aq) What is the free energy change for the formation of one mole of ammonia from its elements under standard conditions? 58. (A) -66.0 k (C) -16.5 k (B) -33.0 kJ (D) 66.0 kJ 59. Arrange Na(s), NaCI(s), and NaC(aq) in the order of increasing standard molar entropy (A) Na(s)
Hubert KochLv2
19 Feb 2019