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• Calculate AHK AS and AG for the reaction below at 115°C. Before you begin calculating,...
• Calculate AH , AS and AG for the reaction below at 115°C. Before you begin...
• Calculate AH , AS and AG for the reaction below at 115°C. Before you begin calculating, predict signs (+ or -) for enthalpy, entropy, and free energy of reaction. • Is the reaction spontaneous at 115°C? Na 0 (8) + H2O() → NaOH () Na,0 (s) HO (D) NaOH (s) AH°, (kJ/mol) 414.2 -285.8 -427.0 Sº (J/K-mol) 75.1 70.0 64.0
CHANGES IN ENTROPY OF UNIVERSE VS SYSTEM. Evaluating Spontaneity Considering both Entropy and Enthalpy 7. In...
CHANGES IN ENTROPY OF UNIVERSE VS SYSTEM. Evaluating Spontaneity Considering both Entropy and Enthalpy 7. In a spontaneous process, which of the following always increases? a. the entropy of the system b. the entropy of the surroundings c. the entropy of the universe d. the entropy of the system and the universe c. the entropy of the system, surroundings and the universe (Hand S refer to the system), a. AH>0 8. Processes are always spontaneous, regardless of temperature, when and...
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a...
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a 2 Mg(s) +,(@) 2 Mgo (s) AS b. CH206(s) → 2C,H,OH(I) + 2003(g) AS c. 2 NH3(g) + CO2(g) → H2O(l) + NH CONH3(aq) AS d. Cu(s) (at 100°C) → Cu(s) (at 25°C) AS 2. Which two variables can indicate if a reaction is spontaneous or not? 3. The second law of thermodynamics tells us that: a Energy is conserved. b. The entropy of...
O ENTROPY AND FREE ENERGY Calculating dg from dH and ds A chemical engineer is studying...
O ENTROPY AND FREE ENERGY Calculating dg from dH and ds A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 35.0 °C and constant total pressure. Then, he measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction....
Use the data given here to calculate the values of AG xn at 25 °C for...
Use the data given here to calculate the values of AG xn at 25 °C for the reaction described by the equation Compound А 4G (kJ/mol) +387.7 +590.4 B A+B=0 с +402.0 AG KJ I AHin and ASi. are both negative values, what drives the spontaneous reaction and in what direction at standard conditions? The spontaneous reaction is enthalpy-driven to the right O enthalpy-driven to the left. st & 0 $ 8 9 B A+B= +590.4 +402.0 с AGX =...
4) Calculate the ΔGrxn using the following information. 4 HNO3(g)+5N2H40)- 7 N2(8) +12 H200) -133.9 AH。f...
4) Calculate the ΔGrxn using the following information. 4 HNO3(g)+5N2H40)- 7 N2(8) +12 H200) -133.9 AH。f (kJ/mol) s°C/mol K) 50.6 -285.8 266.9 121.2 191.6 70.0 A. Determine the enthalpy change 1° for the reaction at 298 K B. Determine aSsurr for the re C. Determine aSsvs for the reaction. D.Find the entropy change of the universe. E. Determine △G"for this reaction. Will this reaction be spontaneous? E. Determine the equilibrium constant Kp at 298K.
9. Determine the value of AG° at 25 °C for the reaction below given the following...
9. Determine the value of AG° at 25 °C for the reaction below given the following data: CH (g) AG° = 68 kJ/mol, H.O(g) AG -229 kJ/mol, CH,H,OH(aq) AG =-175 kJ/mol CH. (g) + H2O (g) →CH,H,OH(aq) 10. Chloroform, CHCI, has a normal boiling point of 61 °C and it enthalpy of vaporization is 29.24 kJ/mol, what is its entropy of vaporization in J/mol Kat 61 °C? Before you calculate it write a chemical equation for this process and predict...
please solve all FREE ENERGY AND CALCULATING AG FOR REACTIONS (Math) 21. Any reaction will be...
please solve all
FREE ENERGY AND CALCULATING AG FOR REACTIONS (Math) 21. Any reaction will be spontaneous if AG > 0 d. AS < 0 b. AG0 AH, <0 AS > 0 a. e. c. From AGformations 22. What is the AG for the reaction given: CH_(8) +20,(8) CO2(g) + 2H2O(g) Substance CH.(g) CO.(g) H.O(g) AGform (kJ/mol) 50.8 394.4 -228.57 a. -50.8 kJ/mol b. -- 751 kJ/mol c. -113 kJ/mol d. -115 kJ/mol e. -807 kJ/mol 23. Determine AG for...
b) Use the net ionic reaction only, and calculate the enthalpy of the reaction (Hrxn) using...
b) Use the net ionic reaction only, and calculate the enthalpy of the reaction (Hrxn) using the Tom b formula: AH = EnaHproducts - EnaHreactants, where n is the number of moles, or the coefficient in the net ionic equation. The table below shows some common AH values. Use the values relevant to the net ionic equation to do your calculations. *The standard enthalpy of the H(aq) ion is zero. Substance State AH' Check the species if it is Total...
Calculate the AG" value at 500 K for the reaction given below. Is the reaction voluntary...
Calculate the AG" value at 500 K for the reaction given below. Is the reaction voluntary under conditions where the pressure of each H2 (g) and H20 (g) gas is 1 atm each? Cu (S) + H20 (g) → CuO (S) + H2 (g) 500K AHºf (kJ/mol) Sº (J/mol K) Cu (S). 0 33.3 H2O (g.hu -241.8 188.7 CuO (S) -155.2 43.51 H2 (g) 0 130.6
• Calculate AH , AS and AG for the reaction below at 115°C. Before you begin calculating, predict signs (+ or -) for enthalpy, entropy, and free energy of reaction. • Is the reaction spontaneous at 115°C? Na 0 (8) + H2O() → NaOH () Na,0 (s) HO (D) NaOH (s) AH°, (kJ/mol) 414.2 -285.8 -427.0 Sº (J/K-mol) 75.1 70.0 64.0
CHANGES IN ENTROPY OF UNIVERSE VS SYSTEM. Evaluating Spontaneity Considering both Entropy and Enthalpy 7. In a spontaneous process, which of the following always increases? a. the entropy of the system b. the entropy of the surroundings c. the entropy of the universe d. the entropy of the system and the universe c. the entropy of the system, surroundings and the universe (Hand S refer to the system), a. AH>0 8. Processes are always spontaneous, regardless of temperature, when and...
Thermodynamics Practice Problems 1. Predict the sign of AS.(positive or negative) for the following reactions a 2 Mg(s) +,(@) 2 Mgo (s) AS b. CH206(s) → 2C,H,OH(I) + 2003(g) AS c. 2 NH3(g) + CO2(g) → H2O(l) + NH CONH3(aq) AS d. Cu(s) (at 100°C) → Cu(s) (at 25°C) AS 2. Which two variables can indicate if a reaction is spontaneous or not? 3. The second law of thermodynamics tells us that: a Energy is conserved. b. The entropy of...
O ENTROPY AND FREE ENERGY Calculating dg from dH and ds A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a reaction vessel with some mixture of the reactants and products at a constant temperature of 35.0 °C and constant total pressure. Then, he measures the reaction enthalpy AH and reaction entropy AS of the first reaction, and the reaction enthalpy AH and reaction free energy AG of the second reaction....
Use the data given here to calculate the values of AG xn at 25 °C for the reaction described by the equation Compound А 4G (kJ/mol) +387.7 +590.4 B A+B=0 с +402.0 AG KJ I AHin and ASi. are both negative values, what drives the spontaneous reaction and in what direction at standard conditions? The spontaneous reaction is enthalpy-driven to the right O enthalpy-driven to the left. st & 0 $ 8 9 B A+B= +590.4 +402.0 с AGX =...
4) Calculate the ΔGrxn using the following information. 4 HNO3(g)+5N2H40)- 7 N2(8) +12 H200) -133.9 AH。f (kJ/mol) s°C/mol K) 50.6 -285.8 266.9 121.2 191.6 70.0 A. Determine the enthalpy change 1° for the reaction at 298 K B. Determine aSsurr for the re C. Determine aSsvs for the reaction. D.Find the entropy change of the universe. E. Determine △G"for this reaction. Will this reaction be spontaneous? E. Determine the equilibrium constant Kp at 298K.
9. Determine the value of AG° at 25 °C for the reaction below given the following data: CH (g) AG° = 68 kJ/mol, H.O(g) AG -229 kJ/mol, CH,H,OH(aq) AG =-175 kJ/mol CH. (g) + H2O (g) →CH,H,OH(aq) 10. Chloroform, CHCI, has a normal boiling point of 61 °C and it enthalpy of vaporization is 29.24 kJ/mol, what is its entropy of vaporization in J/mol Kat 61 °C? Before you calculate it write a chemical equation for this process and predict...
please solve all
FREE ENERGY AND CALCULATING AG FOR REACTIONS (Math) 21. Any reaction will be spontaneous if AG > 0 d. AS < 0 b. AG0 AH, <0 AS > 0 a. e. c. From AGformations 22. What is the AG for the reaction given: CH_(8) +20,(8) CO2(g) + 2H2O(g) Substance CH.(g) CO.(g) H.O(g) AGform (kJ/mol) 50.8 394.4 -228.57 a. -50.8 kJ/mol b. -- 751 kJ/mol c. -113 kJ/mol d. -115 kJ/mol e. -807 kJ/mol 23. Determine AG for...
b) Use the net ionic reaction only, and calculate the enthalpy of the reaction (Hrxn) using the Tom b formula: AH = EnaHproducts - EnaHreactants, where n is the number of moles, or the coefficient in the net ionic equation. The table below shows some common AH values. Use the values relevant to the net ionic equation to do your calculations. *The standard enthalpy of the H(aq) ion is zero. Substance State AH' Check the species if it is Total...
Calculate the AG" value at 500 K for the reaction given below. Is the reaction voluntary under conditions where the pressure of each H2 (g) and H20 (g) gas is 1 atm each? Cu (S) + H20 (g) → CuO (S) + H2 (g) 500K AHºf (kJ/mol) Sº (J/mol K) Cu (S). 0 33.3 H2O (g.hu -241.8 188.7 CuO (S) -155.2 43.51 H2 (g) 0 130.6
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