Determine AGⓇ rxn for the following reaction at 175 K. T CH 20(g) + 2 H2(g)...
Determine ΔG° rxn for the following reaction at 375 K. CH 2O( g) + 2 H 2( g) → CH 4( g) + H 2O( g) ΔH°= -64.9 kJ; ΔS°= -226.2 J/K
7) 2 N2(g) + O2(g) → 2 N20(g) AH rxn = + 163.2 kJ a) At 25°C; calculate ASsurr = b) Is ASsys > 0 or < 0? Explain your answer c) Is the reaction spontaneous? AS univ = (ASsurr) + ( ASsys)
Which one of the following is FALSE? The following reaction 2 NO2(g) → 2 NO(g) + O2(g), Ahº, 1xn = +113.5 kJ, is not spontaneous at any temperature For the following reaction 2CO(g) + O2(g) → 2002(g) + 4 H2O(g), AH°rxn=-566 kJ, ASuniv is positive at low temperature but negative al high temperature Ο If ΔΗ. Orxn=-115 kJ and AsOrxn = +263 J/K, then ASuniv> 0 at all temperatures For the following reaction CO2(g) → C(s) + O2(g), AH, =...
9. Calculate ASⓇ, ASsurr, AStot, and AGⓇ at 298 K for the following reaction N2(g) + 3H2(g) → 2NH3(g) at 25*C. AH° = -92.22 kJ/mol Using: Smº[N2, gas) = 191.6J/(K-mol); Sm"[H2, gas) = 130.7J/(K-mol); Sm*[NH3, gas) = 192.4
Consider the following reaction at 298 K. C(graphite)+2Cl2(g)⟶CCl4(l)ΔH∘=−139 kJC(graphite)+2Cl2(g)⟶CCl4(l)ΔH∘=−139 kJ Calculate the following quantities. Refer to the standard entropy values as needed. Consider the following reaction at 298 K. C(graphite) + 2Cl2(g) C014 (1) AH = -139 kJ Calculate the following quantities. Refer to the standard entropy values as needed. A$sys = 179.42 ASsurr = 466.44 A.Sunix =
2. Use the following rxn to answer the questions. CO(g) + 2 H2(9) = CH3OH(1) For this reaction, AH = -128.1 kilojoules Sº (J/mol.K) AH (kJ/mol) -110.5 AG, (kJ/mol) -137.3 197.9 CO(g) CH,OH(1) -238.6 - 166.2 126.8 The data in the table above were determined at 25°C. a) Calculate AGº for the reaction above at 25°C. b) Calculate Key for the reaction above at 25°C. c) Calculate AS for the reaction above at 25°C. d) In the table above, there...
In which reactions is the AS rxn positive CIO(g) + O2(g) - CI(g) + 2O2(8) RXN 01 203(g) 302(8) RXN 02 2 NO2(8) N204(8) RXN 03 RXN 02 only RXN 01 and RXN 02 RXN 01 only All three of the reactions None of the reactions RXN03 only RXN 02 and RXN 03 ORXN 01 and RXN03 - You have a process that is: Endothermic, Entropy decreases. Choose the best answer: O always non-spontaneous O spontaneous at high temperatures O...
Part A Use the information provided to determine AH°rxn for the following reaction: AHⓇ CH4(9) + 4 Cl2(g) → CCl4(g) + 4 AH°rxn = (kJ/mol) HCl(9) CH4(9) -75 CCl4(g) -96 HCl(g) -92 +79 kJ O -389 kJ 0 -113 kJ O +113 kJ O -71 kJ Submit Request Answer
Consider the following reaction at 298 K. 2H,(g) + O2(g) 2H,0(g) AH° = -483.6 kJ Calculate the following quantities. Refer to the standard entropy values as needed. ASsys = ASsure = JK ASuniy = J/K
Ch. 5, 6 A What is AH rxn for the following reaction? SIO2 (s) + 4HCl(g) → SiCl4(g) + 2H20(9) Substance AH {(kJ/mol) SIO2(5) 859.3 SiCl4(9) 662.8 HCl(9) -92.3 H20(9) -241.8 Multiple Choice о -1856.2 kJ/mol о -13726 kJ/mol О -470 kJ/mol