Interpretation:
The substances having zero value for the free energy of formation
Concept introduction:
Free energy is the term that is used to explain the total energy content in a
Where,
Standard free energy of formation is the change in free energy for the formation of one mole of substance in its standard state. The standard state is
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CHEMISTRY:ATOMS FIRST (LL)>CUSTOM PKG.<
- Calculate E°, G°, and K at 25°C for the reaction 3Mn2+(aq)+2MnO4(aq)+2H2O5MnO2(s)+4H+(aq)arrow_forwardWhat is a spontaneous reaction?arrow_forward17. For which of the following highly exothermic processes would you expect AH" and AG* to be about the same? (a) 2 Al(s) + 3/2 02(g) - Al;0:(s) (c) 2 Na(s) + 2 H20(1) → 2 N2OH(aq) + H2(g) (d) 2 NO(g) - N;O(g) (e) 2 Al(s) + Fe2O;(s) - 2 Fe(s) + Al;Oa(s) (b) 2 Ha(g) + Ozl8) - 2 H;0(g)arrow_forward
- Using the accompanying tables, determine. at 25C: C3HB() + 502(g)- 3 CO2(g) + 4H2O(g) the value of AHO the Value of ASO the Value of AGOarrow_forward(ii) Given the following information, (a) Given the data below (for 298 K) calculate the free energy of formation 4G° of H,0, in the gas phase at that temperature. (b) Calculate the value of Keg for the reaction at 298 K. AH° (kJ mol') AS° (J K' mol') H2O(g) -241.8 188.8 H2(g) 130.6 O2(g) 205.1 o oarrow_forwardThe diagram shows G as a function of Q at 25°C for: GE 6. m H2O(1) = H20(g) 29. What is AG at point 4? (A) AG> AGo 5. (B) AG = AG° 4 3 (C)) AG < AG° 1arrow_forward
- At 381 K, the following reaction takes place: Hg2Cl4(g) + Al2Cl6(g) --> 2 (HgAlCl5)(g) ΔH = +10 kJ (a) Offer an explanation for the very small ΔH for this reaction for the known structures of the compounds. (img 1) (b) Explain why the small ΔH in this reaction is evidence against (img 2) as the structure of Hg2Cl4(g).arrow_forwardCan someone please help me with this question?arrow_forwardCalculate AS values for the following reactions by using tabulated Sº values from Appendix C.. (a) C₂H4(9) + H₂(g) = C₂H6(9) Asº = J/K (b) 2 CH₂OH(g) + 3 0₂(g) = 2 CO₂(g) + 4H₂O(g) AS⁰ = 3/K (c) 2 PC13(g) + O₂(g) =2 POCI3(9) AS⁰ = J/K (d) N₂04(0) = 2 NO₂(9) AS⁰ = J/Karrow_forward
- 3. (a) Use the data given below and calculate AHO, ASO, A Gº, and Kp at 25° C for the reaction: CO (g) + 3 H₂ (g) - → CH4 (g) + H₂O (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- favored? Compound CO (g) H₂(g) CH4 (g) H₂O (g) AH°, kJ/mol -110.52 0 -74.81 -241.82 So, J/mol K 197.67 130.68 186.264 188.83arrow_forward20.15 Without using Appendix B, predict the sign of ASº for (a) Ag+(aq) + CI^(aq) (b) KBr(s) – AgCI(s) KBr(aq) CH2 H,C-CH2(g) (c) CH3CH=CH2(g)arrow_forward(a) Write the chemical equation for the equilibriumthat corresponds to Kb. (b) By using the value ofKb, calculate ΔG° for the equilibrium in part (a). (c) What isthe value of ΔG at equilibrium? (d) What is the value of ΔGwhen [H+] = 6.7x 10-9 M, [CH3NH3 +] = 2.4 x 10-3 M,and [CH3NH2] = 0.098 M?arrow_forward
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax