A certain reaction has Ho = 79.70 kJ and So = -55.80 J/K. (a) Is this...
A certain reaction has 
Ho = 79.70 kJ and So = -55.80 J/K.
(a) Is this reaction exothermic, endothermic or isothermic
(neither)?
This reaction is ---Select--- exothermic endothermic
isothermic .
(b) Does this reaction lead to a decrease, an increase, or no
change in the degree of disorder in the system?
This reaction leads to ---Select--- a decrease an
increase no change in the disorder of the system.
(c) Calculate Go for this reaction at 298 K. If this
value is less than 1 kJ/mol then enter 0 in the answer box.
Go = kJ.
(d) Is this reaction spontaneous, nonspontaneous, or near
equilibrium under standard conditions at 298 K?
This reaction is ---Select--- spontaneous nonspontaneous
near equilibrium under these conditions.
Homework Answers
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A certain reaction has Ho = 79.70 kJ and So = -55.80 J/K.
(a) Is this...
Part 1.) A certain reaction has Ho = -26.10 kJ and So = 15.60 J/K. (a)...
Part 1.)
A certain reaction has Ho = -26.10 kJ and So = 15.60 J/K.
(a) Is this reaction exothermic, endothermic or isothermic
(neither)?
This reaction is ---Select--- exothermic endothermic or
isothermic .
(b) Does this reaction lead to a decrease, an increase, or no
change in the degree of disorder in the system?
This reaction leads to ---Select--- a decrease, an
increase, or no change in the disorder of the system.
(c) Calculate Go for this reaction at 298 K. If...
A certain reaction has Delta H degree = -22.50 kJ and Delta S degree = -75.50...
A certain reaction has Delta H degree = -22.50 kJ and Delta S degree = -75.50 J/K. Is this reaction exothermic, endothermic or isothermic (neither)? This reaction is Does this reaction lead to a decrease, an increase, or no change in the degree of disorder in the system? This reaction leads to in the disorder of the system. Calculate Delta G degree for this reaction at 298 K. If this value is less than 1 kJ/mol then enter 0 in...
A certain reaction has ΔH°= -19.5 kJ/mol and ΔS°= +42.7 J/mol K a) Is the reaction...
A certain reaction has ΔH°= -19.5 kJ/mol and ΔS°= +42.7 J/mol K a) Is the reaction exothermic or endothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate ΔG° for the reaction at 298K. d) Is the reaction spontaneous at 298 K under standard conditions?
help with all of these please 19. For a certain reaction, AH -35.4 kJ and AS...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
A reaction has a ΔH°= 204.6 kJ and a ΔS°= -19.5 J/K. a. Given the sign...
A reaction has a ΔH°= 204.6 kJ and a ΔS°= -19.5 J/K. a. Given the sign and magnitude of ΔH and ΔS, will the reaction be spontaneous at all temperatures, nonspontaneous at all temperatures? Briefly explain your reasoning. b. Calculate the standard free energy change for the reaction at 298 K. c. Is the reaction spontaneous or nonspontaneous at 298 K?
1. Thermodynamic data at 298 K. So (J/K) AHOf (kJ/mol) 205 0 O2 (g) 239 142.7...
1. Thermodynamic data at 298 K. So (J/K) AHOf (kJ/mol) 205 0 O2 (g) 239 142.7 O3 (g) a) Calculate the standard entropy change for the production of ozone from oxygen at 298 K. Is this an increase or decrease in randomness? Explain briefly. -> 203 (g) 302 (g) b) Calculate the standard free energy change for this reaction. Is this reaction spontaneous under standard conditions? c) Calculate the AG° of formation for ozone.
The entropy change for a certain nonspontaneous reaction at 85 ∘C is 154 J/K . Is...
The entropy change for a certain nonspontaneous reaction at 85 ∘C is 154 J/K . Is the reaction endothermic or exothermic? What is the minimum value of ΔH (in kJ) for the reaction?
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is...
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
Help Please! Show all work October 11, 2019 CHEM 1252 Problem Set 11 Textbook Reading Assignment:...
Help Please! Show all work
October 11, 2019 CHEM 1252 Problem Set 11 Textbook Reading Assignment: 12.5-8 Additional Practice Problems: 12.43-44,46-48,50-55,57,59-61,63,65,67,73,75,81 1. A certain reaction has a All=-10.5 kJ and a AS +50.5 3/K (a) Explain whether or not the reaction is endothermic or exothermic. (b) Explain if the reaction is leading to an increase, decrease, or no change in disorder of the system. (c) Is the reaction spontaneous at 0 °C? 2. Use data from Appendix 4 (Table A4.3)...
TCO2E05 A particular reaction has AH = +27 kJ/mol and AGʻ = -42 kJ/mol. Which of the following best describes th...
TCO2E05 A particular reaction has AH = +27 kJ/mol and AGʻ = -42 kJ/mol. Which of the following best describes this reaction? Select one: O a. The reaction is endothermic and spontaneous. b. The reaction is endothermic and not spontaneous. c. The reaction is endothermic and could be spontaneous or not spontaneous depending on the sign of AS° O d. The reaction is exothermic and could be spontaneous or not spontaneous depending on the sign of AS° e. The reaction...
Part 1.)
A certain reaction has Ho = -26.10 kJ and So = 15.60 J/K.
(a) Is this reaction exothermic, endothermic or isothermic
(neither)?
This reaction is ---Select--- exothermic endothermic or
isothermic .
(b) Does this reaction lead to a decrease, an increase, or no
change in the degree of disorder in the system?
This reaction leads to ---Select--- a decrease, an
increase, or no change in the disorder of the system.
(c) Calculate Go for this reaction at 298 K. If...
A certain reaction has Delta H degree = -22.50 kJ and Delta S degree = -75.50 J/K. Is this reaction exothermic, endothermic or isothermic (neither)? This reaction is Does this reaction lead to a decrease, an increase, or no change in the degree of disorder in the system? This reaction leads to in the disorder of the system. Calculate Delta G degree for this reaction at 298 K. If this value is less than 1 kJ/mol then enter 0 in...
help with all of these please
19. For a certain reaction, AH -35.4 kJ and AS - 85.5 / a) is the reaction endothermic or exothermic? b) Does the reaction lead to an increase or decrease in the disorder of the system? c) Calculate AGº for the reaction at 298K d) is the reaction spontaneous at 298K? 20. The sublimation of solid carbon dioxide is a spontaneous process. Predict the sign (+,-, or 0) of AG", AH", and As,", respectively....
1. Thermodynamic data at 298 K. So (J/K) AHOf (kJ/mol) 205 0 O2 (g) 239 142.7 O3 (g) a) Calculate the standard entropy change for the production of ozone from oxygen at 298 K. Is this an increase or decrease in randomness? Explain briefly. -> 203 (g) 302 (g) b) Calculate the standard free energy change for this reaction. Is this reaction spontaneous under standard conditions? c) Calculate the AG° of formation for ozone.
1. A reaction has AH = 100 kJ/mol and AS = 250 J/mol K. a. Is the reaction spontaneous at room temperature? b. If not, under what temperature conditions will it become spontaneous? 2. Consider the following reaction at 298 K: N204(g) = 2NO2(g) KP=0.142 What is the standard free energy change at this temperature? Is the reaction spontaneous at this temperature?
Help Please! Show all work
October 11, 2019 CHEM 1252 Problem Set 11 Textbook Reading Assignment: 12.5-8 Additional Practice Problems: 12.43-44,46-48,50-55,57,59-61,63,65,67,73,75,81 1. A certain reaction has a All=-10.5 kJ and a AS +50.5 3/K (a) Explain whether or not the reaction is endothermic or exothermic. (b) Explain if the reaction is leading to an increase, decrease, or no change in disorder of the system. (c) Is the reaction spontaneous at 0 °C? 2. Use data from Appendix 4 (Table A4.3)...
TCO2E05 A particular reaction has AH = +27 kJ/mol and AGʻ = -42 kJ/mol. Which of the following best describes this reaction? Select one: O a. The reaction is endothermic and spontaneous. b. The reaction is endothermic and not spontaneous. c. The reaction is endothermic and could be spontaneous or not spontaneous depending on the sign of AS° O d. The reaction is exothermic and could be spontaneous or not spontaneous depending on the sign of AS° e. The reaction...
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