Homework Answers
(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"...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
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?
Question 1 of 10 2 Points What is the value for AG at 100 K if...
Question 1 of 10 2 Points What is the value for AG at 100 K if AH = 27 kJ/mol and AS = 0.09 kJ/(mol-K)? O A. AG = 18 kJ/mol O B. AG = 0 kJ/mol O C. AG = 2700 kJ/mol O D. AG=-36 kJ/mol SUBMIT
Thomas Eember 2 2019 1. Calculate AG for a reaction give e AG for a reaction...
Thomas Eember 2 2019 1. Calculate AG for a reaction give e AG for a reaction given AH = 15.4 kJ/mole and AS = 2.0 J/K at 298 K. Is this reaction spontaneous in the forward direction? 2. Calculate the AG* for the net reaction given the following two reactions: Reaction 1: A+BC AGⓇ = 5 kJ/mol Reaction 2: C+ D EAGⓇ =-12 kj/mol 3. If the internal pH of a muscle cell is 6.8, what is the (HPO4+1/[H2PO4 ratio...
37 5 points For the following reaction, AH° = -58.02 kJ/mol and AS° =-176.6 J/K. 2NO,(g)...
37 5 points For the following reaction, AH° = -58.02 kJ/mol and AS° =-176.6 J/K. 2NO,(g) = N, O, (9) What is AG for the reaction at 323 K when P[NO,] = P[N,O) = 0.200 atm? Assume AH and AS are temperature independent. 0 2300 kJ/mol 0 6450 kJ/mol O 3.34 kJ/mol 0-2300 kJ/mol O -3.34 kJ/mol Previous
2) From the enthalpies of reaction provided, calculate the AH for the reaction of carbon with hydrogen as shown bel...
2) From the enthalpies of reaction provided, calculate the AH for the reaction of carbon with hydrogen as shown below. Is the reaction exothermic or endothermic? How many grams of C3Hg are produced with an enthalpy change of 209.4 kJ? 3 C(s) + 4 H2(g) - C He(a) moto-non (5+3=2 C3H8(9) + 5 O2(g) 3 CO2(g) + 4 H2O(9) AH = -2043 kJ/mol AH = -393.5 kJ/mol C(s) + Ozon 2 H2(g) + O2th CO2(g) 2 H20(9) AH = -483.6...
Using provided data, determine AG* (in kJ) for the following reaction. 2036) ++3026) AH,(kJ/mol) S /mol)...
Using provided data, determine AG* (in kJ) for the following reaction. 2036) ++3026) AH,(kJ/mol) S /mol) Ozle) 205.0 Ole) 143 238.82 Question 11 2 pts Use the provided information to determine the equilibrium constant at 298 K for the reaction given 2NO26) N204(8) 4 AH® (kJ/mol) 5° (J/molk) NO2(g) 33.2 239.9 N2048) 9.16 304.3 Equilibrium Constant - (Select) x 10 (Select)
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer...
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer with four significant figures Cs) + 026) CO268 AH=-393.5 kJ/mol AS=0.0029 kJ/mol K 2. A certain reaction has AH = 10.3 kJ/mol and AS = 42.7J/K-mol. Calculate AG in kJ/mol at 338 K. Show your answer with four significant figures 3. Consider the following potential energy diagram that represents two different reactions. Which reaction is spontaneous? Which reaction is faster? Reaction A Reaction B...
(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 <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"...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
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?
Question 1 of 10 2 Points What is the value for AG at 100 K if AH = 27 kJ/mol and AS = 0.09 kJ/(mol-K)? O A. AG = 18 kJ/mol O B. AG = 0 kJ/mol O C. AG = 2700 kJ/mol O D. AG=-36 kJ/mol SUBMIT
Thomas Eember 2 2019 1. Calculate AG for a reaction give e AG for a reaction given AH = 15.4 kJ/mole and AS = 2.0 J/K at 298 K. Is this reaction spontaneous in the forward direction? 2. Calculate the AG* for the net reaction given the following two reactions: Reaction 1: A+BC AGⓇ = 5 kJ/mol Reaction 2: C+ D EAGⓇ =-12 kj/mol 3. If the internal pH of a muscle cell is 6.8, what is the (HPO4+1/[H2PO4 ratio...
37 5 points For the following reaction, AH° = -58.02 kJ/mol and AS° =-176.6 J/K. 2NO,(g) = N, O, (9) What is AG for the reaction at 323 K when P[NO,] = P[N,O) = 0.200 atm? Assume AH and AS are temperature independent. 0 2300 kJ/mol 0 6450 kJ/mol O 3.34 kJ/mol 0-2300 kJ/mol O -3.34 kJ/mol Previous
2) From the enthalpies of reaction provided, calculate the AH for the reaction of carbon with hydrogen as shown below. Is the reaction exothermic or endothermic? How many grams of C3Hg are produced with an enthalpy change of 209.4 kJ? 3 C(s) + 4 H2(g) - C He(a) moto-non (5+3=2 C3H8(9) + 5 O2(g) 3 CO2(g) + 4 H2O(9) AH = -2043 kJ/mol AH = -393.5 kJ/mol C(s) + Ozon 2 H2(g) + O2th CO2(g) 2 H20(9) AH = -483.6...
Using provided data, determine AG* (in kJ) for the following reaction. 2036) ++3026) AH,(kJ/mol) S /mol) Ozle) 205.0 Ole) 143 238.82 Question 11 2 pts Use the provided information to determine the equilibrium constant at 298 K for the reaction given 2NO26) N204(8) 4 AH® (kJ/mol) 5° (J/molk) NO2(g) 33.2 239.9 N2048) 9.16 304.3 Equilibrium Constant - (Select) x 10 (Select)
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer with four significant figures Cs) + 026) CO268 AH=-393.5 kJ/mol AS=0.0029 kJ/mol K 2. A certain reaction has AH = 10.3 kJ/mol and AS = 42.7J/K-mol. Calculate AG in kJ/mol at 338 K. Show your answer with four significant figures 3. Consider the following potential energy diagram that represents two different reactions. Which reaction is spontaneous? Which reaction is faster? Reaction A Reaction B...
(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,...
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