Homework Answers
Add Answer to:
4. Predict if the following reaction is spontaneous. Calculate the AGº system from AG°f values for...
Calculate standard free energy change using AG values. Consider the reaction 2CO2(g) + 3H2(g) C2H2() +...
Calculate standard free energy change using AG values. Consider the reaction 2CO2(g) + 3H2(g) C2H2() + 4H2O(g) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. AG9rxn = 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?
(v) Calculate AGº for the reaction (explaining the process of the calculation as you do so)...
(v) Calculate AGº for the reaction (explaining the process of the calculation as you do so) 2CH3OH + 3 O2--> 2 CO2 + 4 H20 Given the following information Substance AG°f(kJ/mol) CH3OH -163 O2 CO2 -394 H2O -229 [7 Marks] From the AGº you calculated is the reaction spontaneous or not? [2 marks] (vi)
4. Which of the following is consistent with a spontaneous endothermic reaction? (A) AH> 0, AS...
4. Which of the following is consistent with a spontaneous endothermic reaction? (A) AH> 0, AS <0, AG <0 (D) AH<0, AS > 0, AG>O (B) AH > 0, AS > 0, AG <0 (E) AH>0, AS <0, AG>0 (C) AH<0, AS <0, AG<0 5. For the reaction H, (g) +S (8) HS (g), AF- -20.2 kJ/mol and AS = +43.1 J/K mol. Which of these statements is true? (A) The reaction is only spontaneous at low temperatures. (B) The...
b Calculate AH°, AS, and AGº for the following reaction at standard conditions: CH4 (9) +...
b Calculate AH°, AS, and AGº for the following reaction at standard conditions: CH4 (9) + H2O(g) + CH3OH(1) + H2 (9) ΔΗ° = kJ AS = J/K AG kJ Submit Submit Answer Retry Entire Group 9 more group attempts remaining
A student determines the value of the equilibrium constant to be 1.13x10 for the following reaction....
A student determines the value of the equilibrium constant to be 1.13x10 for the following reaction. 3Fe2O3(s) + H2(9)—2Fe3O4(s) + H20(9) Based on this value of Keg: AGº for this reaction is expected to be greater, less) than zero. Calculate the free energy change for the reaction of 1.52 moles of Fe,O3(s) at standard conditions at 298K. AGⓇxn = A student determines the value of the equilibrium constant to be 2.34x10-25 for the following reaction. CH (9) + H20(g)—+3H2(g) +...
Using values of AG f calculate AG rxn for the following reaction. Is the reaction product-favored...
Using values of AG f calculate AG rxn for the following reaction. Is the reaction product-favored or reactant-favored? SiC14(9) + 2 Mg(s) + 2 MgCl2(s) + Si(s) AG°f (kJ/mol) -50.6 -300.13 HgS(s) SO2(g) H2S(g) H2O(C) -33.56 -228.59 -622.76 Sici_(g) MgCl2(s) -591.59 kJ/mol product-favored reactant-favored
Q1 Q2 Q3 Is a reaction with the following values of AH and AS spontaneous at...
Q1
Q2
Q3
Is a reaction with the following values of AH and AS spontaneous at 350 K?. AH 107 kJ AS = - 285 J/K A. The reaction is not spontaneous. B. The reaction is spontaneous. C. The reaction is at equilibrium. D. Cannot be determined Which of the following reactions represent AG°f? A. Na (s) + 1/2 F2 (g) → NaF (s) B. 2 H2 (g) + O2 (g) + 2 H20 (1) C. H30+ (aq) + OH-...
1. Calculate AG°for the following reaction at 25°C using AG ° = AH ° - TAS°...
1. Calculate AG°for the following reaction at 25°C using AG ° = AH ° - TAS° Fe2O3 (s) + 3 H2(g) → 2 Fe (s) + 3 H2O (1) 2. Calculate AG ° for the same reaction using AG°f values Fe2O3 (s) 3 H2(g) → 2 Fe (s) + + 3 H20 (1) + 3. Calculate AGº of the following reaction: 2C (s) H 2 (g) → C2H 2 (g) Use Hess' Law, AG° = AG°1 + AG°2 + AG°3...
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...
Calculate standard free energy change using AG values. Consider the reaction 2CO2(g) + 3H2(g) C2H2() + 4H2O(g) Use standard free energies of formation to calculate the standard free energy change for this reaction at 25°C. AG9rxn = 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?
(v) Calculate AGº for the reaction (explaining the process of the calculation as you do so) 2CH3OH + 3 O2--> 2 CO2 + 4 H20 Given the following information Substance AG°f(kJ/mol) CH3OH -163 O2 CO2 -394 H2O -229 [7 Marks] From the AGº you calculated is the reaction spontaneous or not? [2 marks] (vi)
4. Which of the following is consistent with a spontaneous endothermic reaction? (A) AH> 0, AS <0, AG <0 (D) AH<0, AS > 0, AG>O (B) AH > 0, AS > 0, AG <0 (E) AH>0, AS <0, AG>0 (C) AH<0, AS <0, AG<0 5. For the reaction H, (g) +S (8) HS (g), AF- -20.2 kJ/mol and AS = +43.1 J/K mol. Which of these statements is true? (A) The reaction is only spontaneous at low temperatures. (B) The...
b Calculate AH°, AS, and AGº for the following reaction at standard conditions: CH4 (9) + H2O(g) + CH3OH(1) + H2 (9) ΔΗ° = kJ AS = J/K AG kJ Submit Submit Answer Retry Entire Group 9 more group attempts remaining
A student determines the value of the equilibrium constant to be 1.13x10 for the following reaction. 3Fe2O3(s) + H2(9)—2Fe3O4(s) + H20(9) Based on this value of Keg: AGº for this reaction is expected to be greater, less) than zero. Calculate the free energy change for the reaction of 1.52 moles of Fe,O3(s) at standard conditions at 298K. AGⓇxn = A student determines the value of the equilibrium constant to be 2.34x10-25 for the following reaction. CH (9) + H20(g)—+3H2(g) +...
Using values of AG f calculate AG rxn for the following reaction. Is the reaction product-favored or reactant-favored? SiC14(9) + 2 Mg(s) + 2 MgCl2(s) + Si(s) AG°f (kJ/mol) -50.6 -300.13 HgS(s) SO2(g) H2S(g) H2O(C) -33.56 -228.59 -622.76 Sici_(g) MgCl2(s) -591.59 kJ/mol product-favored reactant-favored
Q1
Q2
Q3
Is a reaction with the following values of AH and AS spontaneous at 350 K?. AH 107 kJ AS = - 285 J/K A. The reaction is not spontaneous. B. The reaction is spontaneous. C. The reaction is at equilibrium. D. Cannot be determined Which of the following reactions represent AG°f? A. Na (s) + 1/2 F2 (g) → NaF (s) B. 2 H2 (g) + O2 (g) + 2 H20 (1) C. H30+ (aq) + OH-...
1. Calculate AG°for the following reaction at 25°C using AG ° = AH ° - TAS° Fe2O3 (s) + 3 H2(g) → 2 Fe (s) + 3 H2O (1) 2. Calculate AG ° for the same reaction using AG°f values Fe2O3 (s) 3 H2(g) → 2 Fe (s) + + 3 H20 (1) + 3. Calculate AGº of the following reaction: 2C (s) H 2 (g) → C2H 2 (g) Use Hess' Law, AG° = AG°1 + AG°2 + AG°3...
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...
Most questions answered within 3 hours.
-
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 1 hour ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 2 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 2 hours ago -
An empty test tube weighs 15.923 grams. Then,
MgCl2•6H2O is added into the test tube. After...
asked 2 hours ago -
Assume memory access is 10 units of time and disk access is
10000 units of time....
asked 2 hours ago -
1. Are all good samples random?
2. Magazines often report surveys giving statistics such as “63%...
asked 3 hours ago -
Under all the various types of market structures, firms
must eventually earn some economic profits for...
asked 2 hours ago -
Consider the following fitness regime for a single locus trait
with two co-dominant alleles: w11 =...
asked 3 hours ago -
A large cable company reports the following.
80% of its customers subscribe to its cable TV...
asked 3 hours ago -
Please answer the question in brief.
Discuss the role of ERP in organizations. Are ERP tools...
asked 3 hours ago -
Discuss the pros and cons of collaborative software such
as SameTime. Does it increase productivity? What...
asked 3 hours ago -
Buying your in-laws a gift because it’s expected is
due to the ____________ motive of gift-giving....
asked 3 hours ago