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8. Consider the phase transition between two phases of sulfur S(s, rhombic) —S (s,...
Consider the phase transition between two phases of sulfur S(s, rhombic) S (s, monoclinic) IF AG...
Consider the phase transition between two phases of sulfur S(s, rhombic) S (s, monoclinic) IF AG for this transition is +0.10 kJ/mol and the densities of the rhombic and monoclinic phases are, respectively, 2.07 g/cm and 1.92 g/cm', at what pressure does the phase transformation from rhombic to monoclinic become spontaneous?
8. Consider the phase transition between two phases of sulfur S(s, rhombic) →S (s, monoclinic) If...
8. Consider the phase transition between two phases of sulfur S(s, rhombic) →S (s, monoclinic) If AG for this transition is +0.10 kl/mol and the densities of the rhombic and monoclinic phases are, respectively, 2.07 g/cm and 1.92 g/cm', at what pressure does the phase transformation from rhombic to monoclinic become spontaneous?
Sulfur exhibits two solid phases, rhombie and monoclinic. Use the Phase Diagram er the following question....
Sulfur exhibits two solid phases, rhombie and monoclinic. Use the Phase Diagram er the following question. (The phase diagram is not to scale.) 151C. 1420 m Monline 95 1910 lam I am Rhobic 115.15C 95C 51 x 10am How many triple points are in the phase diagram? b. What phases are in equilibrium at the triple point at 9531°C? (Select all that apply.) rhombic liquid monoclinic c. What phases are in equilibrium at the triple point at 115.18°C? Show in...
9.Enter your answer in the provided box. S(rhombic) + O2(g) → SO2(g) ΔHo rxn= −296.06 kJ/mol...
9.Enter your answer in the provided box. S(rhombic) + O2(g) → SO2(g) ΔHo rxn= −296.06 kJ/mol S(monoclinic) + O2(g) → SO2(g) ΔHo rxn= −296.36 kJ/mol calculate the enthalpy change for the transformation S(rhombic) → S(monoclinic) (Monoclinic and rhombic are different allotropic forms of elemental sulfur.) _______kJ/mol 10. Enter your answer in the provided box Use the following data to calculate ΔHo/f for CS2(l): C(graphite) + O2(g) → CO2(g) ΔHo rxn= −393.5 kJ/mol S(rhombic) + O2(g) → SO2(g) ΔHo rxn=...
2. Consider the following phase transition: C (graphite) - C(diamond). (a) (6 points) The temperature dependence...
2. Consider the following phase transition: C (graphite) - C(diamond). (a) (6 points) The temperature dependence of reaction Gibbs energy. AGA, for the above reaction is given by AG (mol) = 1895 +3.3637 at 1 atm. Calculate AH, and AS, at 298.15K and 1 atm. (b) [9 points) The density of diamond is 3.52 g/ml and that of graphite is 2.25 g/ml. The formation free energy (AG) of diamond is 2.90 kJ/mol and that of graphite is zero at 298.15...
10. Consider the reaction between NF3(g) and O2(g) which forms N2Os(s) and F(b). The balanced chemical...
10. Consider the reaction between NF3(g) and O2(g) which forms N2Os(s) and F(b). The balanced chemical equation is below: (6 marks total) 4 NF3(g) + 5 O2(g) = 2 N2O3(e) + 6 F2(e) A gas mixture was made containing all four gases, where PN,0 = 0.60 bar, Pne - 0.10 bar, Pg 0.10 bar and Po, -0.20 bar. Some other potentially useful information: A/G (NF3(8)= -90.6 kJ/mol and A/G (N2Os(e)) = 117.1 kl/mol a) Use the information above to determine...
help with all of these please 19. For a certain reaction, AH -35.4 kJ and AS...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
help please! thnx 4. Consider the equilibrium in which solid calcium carbonate decomposes to the oxide...
help please! thnx
4. Consider the equilibrium in which solid calcium carbonate decomposes to the oxide plus carbon dioxide CaCO3(s) CaO(s) + CO2(g) Write down an expression for the equilibrium constant of this reaction in terms of the partial pressure of CO2. The standard enthalpies of formation of CaCO3(s), CO2(g) and CaO(s) are -1207.6 kJ mol", -393.5 kJ mol' and -634.9 kJ mol? respectively, and the standard entropies are 91.7JK'mol, 213.8JK' mol and 38.1 J K mol' (all at 298...
Everything is correct now... Can you please help me out with these? 1)The value of Hº...
Everything is correct now... Can you please help me out with
these?
1)The value of Hº for the decomposition of calcium chloride into its constituent elements, CaCl2 (s) Ca (s) + C12 (8) is_ A) +795.8 B) 0.00 C) -795.8 D) +397.9 E) -3979 kJ/mol. 2)The value of Gºat 25 °C for the decomposition of gaseous sulfur trioxide to solid elemental sulfur and gaseous oxygen, 2503 (g) 28 (s, rhombic) + 302 (g) is_ kJ/mol. A) -740.8 B)-370.4 C) +740.8...
Chemistry midterm help please! <3 7. What is the difference between the AU and AH of...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
Consider the phase transition between two phases of sulfur S(s, rhombic) S (s, monoclinic) IF AG for this transition is +0.10 kJ/mol and the densities of the rhombic and monoclinic phases are, respectively, 2.07 g/cm and 1.92 g/cm', at what pressure does the phase transformation from rhombic to monoclinic become spontaneous?
8. Consider the phase transition between two phases of sulfur S(s, rhombic) →S (s, monoclinic) If AG for this transition is +0.10 kl/mol and the densities of the rhombic and monoclinic phases are, respectively, 2.07 g/cm and 1.92 g/cm', at what pressure does the phase transformation from rhombic to monoclinic become spontaneous?
Sulfur exhibits two solid phases, rhombie and monoclinic. Use the Phase Diagram er the following question. (The phase diagram is not to scale.) 151C. 1420 m Monline 95 1910 lam I am Rhobic 115.15C 95C 51 x 10am How many triple points are in the phase diagram? b. What phases are in equilibrium at the triple point at 9531°C? (Select all that apply.) rhombic liquid monoclinic c. What phases are in equilibrium at the triple point at 115.18°C? Show in...
2. Consider the following phase transition: C (graphite) - C(diamond). (a) (6 points) The temperature dependence of reaction Gibbs energy. AGA, for the above reaction is given by AG (mol) = 1895 +3.3637 at 1 atm. Calculate AH, and AS, at 298.15K and 1 atm. (b) [9 points) The density of diamond is 3.52 g/ml and that of graphite is 2.25 g/ml. The formation free energy (AG) of diamond is 2.90 kJ/mol and that of graphite is zero at 298.15...
10. Consider the reaction between NF3(g) and O2(g) which forms N2Os(s) and F(b). The balanced chemical equation is below: (6 marks total) 4 NF3(g) + 5 O2(g) = 2 N2O3(e) + 6 F2(e) A gas mixture was made containing all four gases, where PN,0 = 0.60 bar, Pne - 0.10 bar, Pg 0.10 bar and Po, -0.20 bar. Some other potentially useful information: A/G (NF3(8)= -90.6 kJ/mol and A/G (N2Os(e)) = 117.1 kl/mol a) Use the information above to determine...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
help please! thnx
4. Consider the equilibrium in which solid calcium carbonate decomposes to the oxide plus carbon dioxide CaCO3(s) CaO(s) + CO2(g) Write down an expression for the equilibrium constant of this reaction in terms of the partial pressure of CO2. The standard enthalpies of formation of CaCO3(s), CO2(g) and CaO(s) are -1207.6 kJ mol", -393.5 kJ mol' and -634.9 kJ mol? respectively, and the standard entropies are 91.7JK'mol, 213.8JK' mol and 38.1 J K mol' (all at 298...
Everything is correct now... Can you please help me out with
these?
1)The value of Hº for the decomposition of calcium chloride into its constituent elements, CaCl2 (s) Ca (s) + C12 (8) is_ A) +795.8 B) 0.00 C) -795.8 D) +397.9 E) -3979 kJ/mol. 2)The value of Gºat 25 °C for the decomposition of gaseous sulfur trioxide to solid elemental sulfur and gaseous oxygen, 2503 (g) 28 (s, rhombic) + 302 (g) is_ kJ/mol. A) -740.8 B)-370.4 C) +740.8...
Chemistry midterm help please! <3
7. What is the difference between the AU and AH of a reaction? A) AU is a state function, while AH is not a state function B) AH is a state function, while AU is not a state function. C) AU = heat of reaction at constant volume conditions; AH = heat of reaction at constant-pressure conditions D) AU is the heat of reaction, AH is the work done by the reaction E) AU =...
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