Consider the following reaction: 2N2O5(g) 4NO2(g) + O2(g) If AH°xn = 110 kJ mol-1 and AS°,n = 454 J-K-1-mol-1 at 298 K,...
20. Consider the reaction 2N2O5(g)4NO2(g) + O2(g) at 25 C for which the following data are relevant: Дн 13.30 kJ/mol 355.7 J/K mol N205 33.15 kJ/mol 239.9 J/K mol NO2 0 kJ/mol 204.8 J/K mol О2 Calculate AG° for the reaction at 25°C a. 1.35 x 105 kJ b. 94.7 kJ c. -29.0 kJ d. 135 kJ е. O kJ
For the reaction 2802(g) + O2(g)—>2503(g) AH° = -197.8 kJ and AS° = -187.9 J/K The equilibrium constant for this reaction at 298.0 K is Assume that AHⓇ and AS™ are independent of temperature.
For the reaction N2(g) + O2(g)->2NO(g) AH° = 180.6 kJ and AS = 24.9 J/K The equilibrium constant for this reaction at 267.0 K is Assume that AHⓇ and ASº are independent of temperature.
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
The equilibrium constant, Kp, for the following reaction is 2.74 at 1150 K. 2SO3(g) 2 25O2(g) + O2(g) If AH° for this reaction is 198 kJ, what is the value of K, at 1030 K? Kp = 1 The equilibrium constant, Kp, for the following reaction is 6.25 at 298 K. 2NO(g) + Brz(g) 2NOBr(g) If AHⓇ for this reaction is -16.1 kJ, what is the value of K, at 200 K? Kp =
For the reaction 2NO(g) + O2(g) —>2NO2(g) AH° = -114.2 kJ and AS° = -146.5 J/K The equilibrium constant for this reaction at 270.0 K is Assume that AH° and AS are independent of temperature. Submit Answer Try Another Version 3 item attempts remaining elefchces to access important values if needed for this question, Consider the reaction 2CO2(g) + 5H2(g)CH2(g) + 4H2O(g) Using the standard thermodynamic data in the tables linked above, calculate AG for this reaction at 298.15K if...
5. The equilibrium constant K for the dissociation of N204(g) to NO2(g) is 1700 at 500 K. If AH is 56.8 kJ/mol for this reaction, what will be the value of K at 300 K? (a) 132x106 (b) 1.11 x 104 (c) 0.188 (d) 15.5 (e) .54 x 107 5. The equilibrium constant K for the dissociation of N204(g) to NO2(g) is 1700 at 500 K. If AH is 56.8 kJ/mol for this reaction, what will be the value of...
For the reaction 2802(g) + O2(g) -2503(g) AH° = -197.8 kJ and AS° = -187.9 J/K The equilibrium constant for this reaction at 277.0 K is Assume that AH° and ASº are independent of temperature.
Version A 12. If AH = 75 kJ/mol and AS = 75J/mol K for an equilibrium reaction at 1400 K, describe the equilibrium constant K. (A) K=0 (B) 0<K<1 (C) K=1 (D) K>1 13. A perturbation of an equilibrium is observed to have caused additional products to form. The reaction is exothermic and has An = 2. Which of the following stresses could have caused the observation? (A) Increased Pressure (C) Removal of Product (E) None of these (B) Decreased...
For the reaction 4HCl(g) + O2(g)—>2H2O(g) + 2C12(g) AH = -114.4 kJ and AS°=-128.9 J/K The equilibrium constant for this reaction at 278.0 K is Assume that AH and ASº are independent of temperature.