In Check Your Learning how did they get that value? Example 16.12. Example 16.12 Calculating AG...
Since the computed value for AG is positive, the reaction is nonspontaneous under these conditions. Check Your Learning Calculate the free energy change for this same reaction at 875 °C in a 5.00 L mixture containing 0.100 mol of each gas. Is the reaction spontaneous under these conditions? ANSWER: AG = +45.1 kJ/mol; no EXAMPLE 16.12 Calculating AG under Nonstandard Conditions What is the free energy change for the process shown here under the specified conditions? T = 25 °C,...
Since the computed value for AG is positive, the reaction is nonspontaneous under these conditions. Check Your Learning Calculate the free energy change for this same reaction at 875 °C in a 5.00 L mixture containing 0.100 mol of each gas. Is the reaction spontaneous under these conditions? ANSWER: AG +45.1 kJ/mol; no Calculating AG under Nonstandard Conditions What is the free energy change for the process shown here under the specified conditions? T 25 °C, PN, 0.870 atm, PH=0.250...
Question 6 4.47 pts What is the free energy change for the process shown here under the specified conditions? 2NH3(g) 3H2(g) + N2(8) PN2 = 0.500 atm, PH2 - 1.23 atm, PNH3 - 1.44 atm T-25°C ΔGo 33.0 kJ mol 33.0 kJ 9.68 kJ 31.0 kJ 35.0 kJ
In the Check Your Learning section how did they get that value of K? Calculating an Equilibrium Constant using Standard Free Energy Change Given that the standard free energies of formation of Ag'(aq), CI (aq), and AgCl(s) are 77.1 kJ/mol, -131.2 kJ/mol, and -109.8 kJ/mol, respectively, calculate the solubility product, Ksp, for AgCl. Solution The reaction of interest is the following: Ag (aq) +CI (aq) Ksp [Ag ICI] AgCl(s) The standard free energy change for this reaction is first computed...
AGº is -32.7 kJ/mol of N2 for the reaction N2 (g) + 3H2 (g) = 2NH3(g) This calculation was for the reaction under standard conditions—that is, with all gases present at a partial pressure of 1 atm and a temperature of 25°C. Calculate AG for the same reaction under the following nonstandard conditions: . PN2 = 2.00 atm, PH2 = 7.00 atm, PNH3 = 0.021 atm, . and T = 100°C.
25. Consider the reaction given below: H2 (g)+ F2 (g)2 HF (g) for which AG -541.4 kJ/mol What is the Gibbs Free Energy Change, AGn, under non-standard conditions for this reaction at 25 °C if the partial pressure of each substance is listed below? PH2 8.2 atm Pr2 4.6 atm PHE= 0.22 atm a. AG e. AG -704.3 kJ/mol b. AGr=-557.9 kJ/mol c. AGn=-554.1 kJ/mol d. AGr -548.6 kJ/mol -542.8 kJ/mol
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction N (8) + 3H2(g) + 2NH3(g) the standard change in Gibbs free energy is AGⓇ = -72.6 kJ/mol. What is AG for this reaction at 298 K when the partial pressures are PN, = 0.200 atm, PH, = 0.450 atm, and PNH, = 0.750 atm? AG= L kJ/mol AG= kJ/mol
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction N2 (g) + 3H2(g) -------> 2NH3(g) the standard change in Gibbs free energy is ΔG° = -72.6 kJ/mol. What is ΔG for this reaction at 298 K when the partial pressures are PN2 = 0.200 atm PH2 = 0.350 atm PNH3 = 0.850
8. (3 points) Consider the following reaction: N2 (g) +3H2 (g) 2NH3 (g). Find the desired values given the following conditions: PNH3 2.00 atm, PN2 2.00 atm, and PH2 -2.50 atm. The AGo -33.3 kJ/mol at 25 °C. Calculate the Q value for these conditions. a. b. Calculate the AG value for these conditions. c. Is the reactions more or less spontaneous under these conditions compared to the standard conditions? How do you know?
Calculate the free energy AG at 25°C for the nonstandard conditions at point where the reaction quotient Q is 2.75 x 10 Express your answer numerically in kilojoules. View Available Hint(s) % ALC O ? AG - CO Nitrosyl chloride formation Chlorine gas. Cl(s), reacts with nitric oxide, NO(), to form nitrosyl chloride, NOCI(g), via the reaction Cl(s) + 2NO(g) + 2NOCI() The thermodynamic data for the reactants and products in the reaction are given in the following table: Substance...