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2. a) AG® -2.1 kJ/mol (-0.5 kcal/mol) for the reaction (2) CHBr +H.S=CH SH+ HB Calculate...
the value on top is -2.1kj/mol 2.1 kJ/mol. The following reaction has a value of AGⓇ = CH3Br + H2S CH,SH HBr a) Calc...
the value on top is -2.1kj/mol
2.1 kJ/mol. The following reaction has a value of AGⓇ = CH3Br + H2S CH,SH HBr a) Calculate key at room temperature (25°C) for this reaction as written. b) Starting with 1 M solution each of CH3Br and H2S, calculate the final concentration of all four species at equilibrium. Please be thorough in your presentation AGⓇ = -2.303RT(log kea); at 25°C, RT= 2478 J/mol or 2.48 kJ/mol
AG°= AH-TAS AG=AGº+RTinQ where R=8.314 J/mol K 1. Calculate AGº for the following reaction at 25 °C if AH°= -1854 kJ...
AG°= AH-TAS AG=AGº+RTinQ where R=8.314 J/mol K 1. Calculate AGº for the following reaction at 25 °C if AH°= -1854 kJ/mol; AS°= -236 J/mol K CH-COCH3(g) + 402(g) → 3C02(g) + 3H2O(1) 2. NH.NO, dissolving in water is a spontaneous process. As it dissolves, the temperature of the solution decreases. Based on this, what must the signs (positive or negative) of AG, AH, and AS be?
• 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
• Calculate AHK AS and AG for the reaction below at 115°C. Before you begin calculating,...
• Calculate AHK 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 (1) → NaOH(S) AH" (kJ/mol) -414.2 Na 0 (s) HIZO (1) NaOH (S) Sº (J/K mol) 75.1 70.0 6 4.0 -285.8 -427. 0
1)For the process Ao → Ag) , the AHwR = 30.5 kJ/mol and ASm"-86.4 J/molK. Assuming...
1)For the process Ao → Ag) , the AHwR = 30.5 kJ/mol and ASm"-86.4 J/molK. Assuming these values are independent of T, what is the normal boiling point of substance A in °C? Do not input the unit just numerical value (the number). 2) For a certain process at 355 K, ΔG =-12.4 kJ and ΔH--72 kJ. What is the change in entropy,AS, for this process? 3)Consider the following hypothetical reaction (at 310 K). Standard free energies. AGP, in kJ/mol...
QUESTION 19 Calculate AG, in kJ, for the following reaction: 2 HNO, (lia) + NO (g)...
QUESTION 19 Calculate AG, in kJ, for the following reaction: 2 HNO, (lia) + NO (g) - 3 NO, (g) + H2O (lia) Substance AG (kJ) HNO3 () - 79.71 NO (9) 86.57 51.30 NO2 (9) H20 (0) -237.18 QUESTION 20 Calculate the equilibrium constant for the reaction from the previous question at O "C. ENTER A NUMBER WITH FOUR SIG FIGS. K=e-4CRT R = 8.314 J/K mol
c is the reaction: Ca(s) + 2 H20(1) Ca(OH)2(aq) + 2H2(8) -285.83 -1002.82 AH °(kJ/mol) S°(J/K)...
c is the reaction: Ca(s) + 2 H20(1) Ca(OH)2(aq) + 2H2(8) -285.83 -1002.82 AH °(kJ/mol) S°(J/K) mol 41.59 69.95 -74.5 130.7 AH° = -431.16 AS° = 5.41 AG° = -432.77 enthalpy favored Oneither enthalpy and entropy favored O entropy favored O both enthalpy and entropy favored Submit
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...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate AGⓇ for the reaction. Substance S” (J/mol K) NH.NO, (3) 151 N:0 (8) 220 H:0 (9) 183 5. The first step in the commercial production of titanium metal is the reaction of Tio: with chlorine an graphite: TiO2 (s) + 2 Cl: (g) + 2C (5) Tici: (1) + 2 CO(g) Calculate AGº for the reaction. Substance AG? (kJ/mol Substance AG® (kJ/mol) C(s) TiCl...
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = -...
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = - 278 J K-'mol-' The following questions relate to the synthesis reaction represented by the chemical equation in the box above. a. Calculate the value of the standard free energy change, AG 298. for the reaction. b. Determine the temperature at which the equilibrium constant, Keg, for the reaction is equal to 1.00. (Assume that Hº and AS are independent of temperature.) c. Calculate the...
the value on top is -2.1kj/mol
2.1 kJ/mol. The following reaction has a value of AGⓇ = CH3Br + H2S CH,SH HBr a) Calculate key at room temperature (25°C) for this reaction as written. b) Starting with 1 M solution each of CH3Br and H2S, calculate the final concentration of all four species at equilibrium. Please be thorough in your presentation AGⓇ = -2.303RT(log kea); at 25°C, RT= 2478 J/mol or 2.48 kJ/mol
AG°= AH-TAS AG=AGº+RTinQ where R=8.314 J/mol K 1. Calculate AGº for the following reaction at 25 °C if AH°= -1854 kJ/mol; AS°= -236 J/mol K CH-COCH3(g) + 402(g) → 3C02(g) + 3H2O(1) 2. NH.NO, dissolving in water is a spontaneous process. As it dissolves, the temperature of the solution decreases. Based on this, what must the signs (positive or negative) of AG, AH, and AS be?
• 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
• Calculate AHK 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 (1) → NaOH(S) AH" (kJ/mol) -414.2 Na 0 (s) HIZO (1) NaOH (S) Sº (J/K mol) 75.1 70.0 6 4.0 -285.8 -427. 0
1)For the process Ao → Ag) , the AHwR = 30.5 kJ/mol and ASm"-86.4 J/molK. Assuming these values are independent of T, what is the normal boiling point of substance A in °C? Do not input the unit just numerical value (the number). 2) For a certain process at 355 K, ΔG =-12.4 kJ and ΔH--72 kJ. What is the change in entropy,AS, for this process? 3)Consider the following hypothetical reaction (at 310 K). Standard free energies. AGP, in kJ/mol...
QUESTION 19 Calculate AG, in kJ, for the following reaction: 2 HNO, (lia) + NO (g) - 3 NO, (g) + H2O (lia) Substance AG (kJ) HNO3 () - 79.71 NO (9) 86.57 51.30 NO2 (9) H20 (0) -237.18 QUESTION 20 Calculate the equilibrium constant for the reaction from the previous question at O "C. ENTER A NUMBER WITH FOUR SIG FIGS. K=e-4CRT R = 8.314 J/K mol
c is the reaction: Ca(s) + 2 H20(1) Ca(OH)2(aq) + 2H2(8) -285.83 -1002.82 AH °(kJ/mol) S°(J/K) mol 41.59 69.95 -74.5 130.7 AH° = -431.16 AS° = 5.41 AG° = -432.77 enthalpy favored Oneither enthalpy and entropy favored O entropy favored O both enthalpy and entropy favored Submit
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...
AH-116.4 kJ/mol 4. Consider the following reaction: NH.NO, (s) N20 (8) + 2 H20 (g) Calculate AGⓇ for the reaction. Substance S” (J/mol K) NH.NO, (3) 151 N:0 (8) 220 H:0 (9) 183 5. The first step in the commercial production of titanium metal is the reaction of Tio: with chlorine an graphite: TiO2 (s) + 2 Cl: (g) + 2C (5) Tici: (1) + 2 CO(g) Calculate AGº for the reaction. Substance AG? (kJ/mol Substance AG® (kJ/mol) C(s) TiCl...
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = - 278 J K-'mol-' The following questions relate to the synthesis reaction represented by the chemical equation in the box above. a. Calculate the value of the standard free energy change, AG 298. for the reaction. b. Determine the temperature at which the equilibrium constant, Keg, for the reaction is equal to 1.00. (Assume that Hº and AS are independent of temperature.) c. Calculate the...
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