For a given reaction AHO = 347 kJ and ASO = 155 J/K. At what tempereature will the reaction become spontaneous? O 783°C 968°C O 2210°C 1970°C 945°C

Given Consider the Kp of the reaction C(s)  + CO2(g) <=> 2CO(g), with ∆H° of the reaction is -426 kJ. What is the effect of decreasing the reaction temperature to 298 K on the amount of CO gas produced?

Consider the following reaction: SO((g) + CaO(s) = CasO4(s). If AGº is -345 kJ/mol for this reaction at 298K, what is the Keg at this temperature? Recall that R is 8.314 J mol-1 K-1. A) 3.1 x 1040 B) 3.50 x 1050 c) 2.96 x 1060 D 2.23 x 1070

At what temperature in Kelvin does the reaction shown below reach equilibrium under standard state conditions. Report your answer to the correct sig figs. 2 NO(g) + O2(g) → 2 NO2(g) NO(g) Ozlg) NO2(g) AH°F 90.3 33.2 (kJ/mol S° 210.8 205.0 240.1 (J/K-mol) Temperature in Kelvin =

Using the reaction and information provided below, calculate the value for AG at 15°C. The initial pressure of NO, is 0.003 atm, and the initial pressure of O, is 0.21 atm. 2 N,05 (s) 5 4 No2 (g) + 02 (g) AG;° (kJ/mol) N205 (s) 117.7 NO2 (g) 51.8 O2 (g) 0.

What is A-G° in unit of kJ at 298 K for the following reaction? Zn(s) + H20(g) ZnO(s) + H2(g) Substance AH (kJ/mol-rxn) at 298 K S (J/K mol-rxn) at 298 K Zn(s) 46 H20(g) -241.8 188.7 ZnO(s) H2g) -337.1 42.6 130.6 Please keep your answer to one decimal place.

Calculate the Free Gibb’s Energy, kJ/mol, at 298 K for the following reaction.  2CaSO4(s)→2CaO(s) + 2SO2(g) + O2(g) Substance ∆H(kJ/mol) ∆S (J/K mol) CaSO4(s) -1432.69 106.69 CaO(s) -635.6 39.8 SO2(g) -296.4 248.5 O2(g0 0 205.0

Use the following table to calculate ArH°, AS°, & A,Gº for the following reaction at 298K, then calculate it for -32°C and 250°C. 3 H₂ (g) + N₂(g) → 2 NH³(g) H₂(g) N₂(g) NH3(g) S°(J/K mol) 130.7 191.6 192.8 Which temperature(s) make the reaction spontaneous? AH (Kj/mol) 0 0 -45.9

From the values of ΔH and ΔS predict which of the following reactions would be spontaneous at 25°C. Calculate the minimum temperature at which each reaction will become spontaneous. Enter "None" if the reaction is not spontaneous at any temperature. ΔH = -75.8 kJ/mol,  ΔS = 126  J/K · mol