Homework Answers
The Incorrect Statement is the last option :
- If ∆G=0, the process is spontaneous.
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Choose the incorrect statement: Gibb's Free Energy is defined as: GH-TS OF AG<0, the process is...
Gibbs free energy change AG is defined as AG= AH-TAS. For a spontaneous process, AG<0. For...
Gibbs free energy change AG is defined as AG= AH-TAS. For a spontaneous process, AG<0. For a. reversible reaction at equilibrium, AG = 0. The equilibrium constant K of the reversible reaction is relate- AG"=-RTIn(K). Symbol 40" refers to thermodynamics standard condition: 298 K and 1 atm. Exercise:consider the following reaction: bo:pfoiex 2 HNO:(aq)+NO(g)- 3 NO2(g) + H2O(I) AH=+136.5 kJ; AS = +287.5 J/K a. Below what temperature does the following reaction becomes nonspontaneous? niliod sis anotsole s ob io...
Free energy, AG, is the energy free to do work. When AG <0, then the system...
Free energy, AG, is the energy free to do work. When AG <0, then the system can do work and the magnitude of AG is the maximum amount of work the system could do. When AG > 0, the work is done to the system and AG is the minimum amount of work that needs to be done. Consider the calcium ion moving up the concentration gradient. This is not spontaneous. What is AG for the reaction, assuming it occurs...
TRODUCTION Chemical processes occur spontaneously when they lower the free energy of the system. The free...
TRODUCTION Chemical processes occur spontaneously when they lower the free energy of the system. The free energy at constant temperature and ressure is the Gibbs free energy, AG, which is defined as follows: AG = AH - TAS where AG is the change in free energy of the system, AH is the change in enthalpy of the system and AS is the change in entropy of the system AG, the change in free energy, must be less than zero for...
14. Which of the following is not a state function? a. Internal Energy b. Free Energy...
14. Which of the following is not a state function? a. Internal Energy b. Free Energy c. Enthalpy d. Entropy e. Heat 15. The second law of thermodynamics states that a. the entropy of a perfect crystal is zero at 0 K b. the entropy of the universe is constant. c. the energy of the universe is increasing. d. the entropy of the universe is increasing. e. the energy of the universe is constant. 16. Which of the following are...
A process at constant T and P can be described as spontaneous if AG <0 and...
A process at constant T and P can be described as spontaneous if AG <0 and nonspontaneous if AG> 0. Over what range of temperatures is the following process spontaneous? Assume that gases are at a pressure of 1 atm. (Hint: Use the data below to calculate AH and AS [assumed independent of temperature and equal to AH° and AS°, respectively] and then use the definition of AG.) 2 MnO2(s) 02(g) 2 MnO(s) AH (kJ mol) -520.0 -385.2 s° (J...
(9) A spontaneous process has the change of free energy (a) AG>0 (c) AG = 0...
(9) A spontaneous process has the change of free energy (a) AG>0 (c) AG = 0 (b) AG <O (d) AH>0 and AS <O (10) A chemical reaction has AH = 10 kJ. AS = 50 J/K at temperature T = 300 K. the reaction AG = J. (a) 5000 (b) -5000 (c) 10000 (d) 50 (11) For reaction: Ag (s) + 2 Cl2 (g) Ag° (aq) +CI (aq), the standard free energy of formation: AGf° (Ag*) = 77.1 kJ/mol,...
(9) A spontaneous process has the change of free energy (a) AG > 0 (b) AG <0 (c) AG = 0 (d) AH >0 and AS &...
(9) A spontaneous process has the change of free energy (a) AG > 0 (b) AG <0 (c) AG = 0 (d) AH >0 and AS <0 (10) A chemical reaction has AH = 10 kJ, AS = 50 J/K at temperature T = 300 K, the reaction AG = (a) 5000 (b)-5000 (c) 10000 (d) 50 (11) For reaction : Ag (s) + 1/2 Cl2 (g) = Agt (aq) + CI+ (aq), the standard free energy of formation: AGE"...
Please help answer ALL the following questions in the attachment. Please answer only if you’re certain....
Please help answer ALL the following questions in the
attachment. Please answer only if you’re certain. Thank you so much
for your help.
1 Find the mismatched pai a) Entropy (AS-measurement of disorder in a thermodynamic system b) AG<0-Energetically favorable (spontaneous) reaction c) First Law of Thermodynamics-Energy in a system is not created nor destroyed, only transformed d) Second Law of Thermodynamics-The entropy of a perfect crystal at 0 K is exactly equal to zero. e) Standard free energy (G-The...
2- Therro dynamics e that best completes the statement or answers the question TIPLE CHOICE. Choose...
2- Therro dynamics e that best completes the statement or answers the question TIPLE CHOICE. Choose the one alternative that best completes the at 1) The SI unit for pressure is the A) newton. B) pascal C) MM Hg D) atmosphere. 2) The mixing of different gases by random molecular motion with freque A) diffusion. B) Dalton's law. C) compressibility. D) effusion 3) Entropy is a measure of A) the rate of a reaction. C) molecular randomness. B) free energy...
10. Given the following table: Compound NO: (g) N:O (g) AHP (J mol) AGP (J mol) 51.84 33.85 9.66 98.29 For t...
10. Given the following table: Compound NO: (g) N:O (g) AHP (J mol) AGP (J mol) 51.84 33.85 9.66 98.29 For the reaction: N:Oa (g) eo 2NO: (g) (a) Use the information in the Table to calculate AG for the reaction (b) Use the information in the Table to calculate AH" for the reaction (c) Calculate K, at 25 C. (d) Calculate K, at 1600 °C. (Assume AH to be temperature independent) (e) Calculate the degree of dissociation, a, of...
Gibbs free energy change AG is defined as AG= AH-TAS. For a spontaneous process, AG<0. For a. reversible reaction at equilibrium, AG = 0. The equilibrium constant K of the reversible reaction is relate- AG"=-RTIn(K). Symbol 40" refers to thermodynamics standard condition: 298 K and 1 atm. Exercise:consider the following reaction: bo:pfoiex 2 HNO:(aq)+NO(g)- 3 NO2(g) + H2O(I) AH=+136.5 kJ; AS = +287.5 J/K a. Below what temperature does the following reaction becomes nonspontaneous? niliod sis anotsole s ob io...
Free energy, AG, is the energy free to do work. When AG <0, then the system can do work and the magnitude of AG is the maximum amount of work the system could do. When AG > 0, the work is done to the system and AG is the minimum amount of work that needs to be done. Consider the calcium ion moving up the concentration gradient. This is not spontaneous. What is AG for the reaction, assuming it occurs...
TRODUCTION Chemical processes occur spontaneously when they lower the free energy of the system. The free energy at constant temperature and ressure is the Gibbs free energy, AG, which is defined as follows: AG = AH - TAS where AG is the change in free energy of the system, AH is the change in enthalpy of the system and AS is the change in entropy of the system AG, the change in free energy, must be less than zero for...
14. Which of the following is not a state function? a. Internal Energy b. Free Energy c. Enthalpy d. Entropy e. Heat 15. The second law of thermodynamics states that a. the entropy of a perfect crystal is zero at 0 K b. the entropy of the universe is constant. c. the energy of the universe is increasing. d. the entropy of the universe is increasing. e. the energy of the universe is constant. 16. Which of the following are...
A process at constant T and P can be described as spontaneous if AG <0 and nonspontaneous if AG> 0. Over what range of temperatures is the following process spontaneous? Assume that gases are at a pressure of 1 atm. (Hint: Use the data below to calculate AH and AS [assumed independent of temperature and equal to AH° and AS°, respectively] and then use the definition of AG.) 2 MnO2(s) 02(g) 2 MnO(s) AH (kJ mol) -520.0 -385.2 s° (J...
(9) A spontaneous process has the change of free energy (a) AG>0 (c) AG = 0 (b) AG <O (d) AH>0 and AS <O (10) A chemical reaction has AH = 10 kJ. AS = 50 J/K at temperature T = 300 K. the reaction AG = J. (a) 5000 (b) -5000 (c) 10000 (d) 50 (11) For reaction: Ag (s) + 2 Cl2 (g) Ag° (aq) +CI (aq), the standard free energy of formation: AGf° (Ag*) = 77.1 kJ/mol,...
(9) A spontaneous process has the change of free energy (a) AG > 0 (b) AG <0 (c) AG = 0 (d) AH >0 and AS <0 (10) A chemical reaction has AH = 10 kJ, AS = 50 J/K at temperature T = 300 K, the reaction AG = (a) 5000 (b)-5000 (c) 10000 (d) 50 (11) For reaction : Ag (s) + 1/2 Cl2 (g) = Agt (aq) + CI+ (aq), the standard free energy of formation: AGE"...
Please help answer ALL the following questions in the
attachment. Please answer only if you’re certain. Thank you so much
for your help.
1 Find the mismatched pai a) Entropy (AS-measurement of disorder in a thermodynamic system b) AG<0-Energetically favorable (spontaneous) reaction c) First Law of Thermodynamics-Energy in a system is not created nor destroyed, only transformed d) Second Law of Thermodynamics-The entropy of a perfect crystal at 0 K is exactly equal to zero. e) Standard free energy (G-The...
2- Therro dynamics e that best completes the statement or answers the question TIPLE CHOICE. Choose the one alternative that best completes the at 1) The SI unit for pressure is the A) newton. B) pascal C) MM Hg D) atmosphere. 2) The mixing of different gases by random molecular motion with freque A) diffusion. B) Dalton's law. C) compressibility. D) effusion 3) Entropy is a measure of A) the rate of a reaction. C) molecular randomness. B) free energy...
10. Given the following table: Compound NO: (g) N:O (g) AHP (J mol) AGP (J mol) 51.84 33.85 9.66 98.29 For the reaction: N:Oa (g) eo 2NO: (g) (a) Use the information in the Table to calculate AG for the reaction (b) Use the information in the Table to calculate AH" for the reaction (c) Calculate K, at 25 C. (d) Calculate K, at 1600 °C. (Assume AH to be temperature independent) (e) Calculate the degree of dissociation, a, of...
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