A ______ value for Gibbs free energy corresponds to a _____ value for cell potential and results in a _______ reaction....
A ______ value for Gibbs free energy corresponds to a _____ value for cell potential and results in a _______ reaction.
a. positive, positive, spontaneous
b. positive, negative, spontaneous
c. positive, positive, nonspontaneous
d. positive, negative, nonspontaneous
Homework Answers
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A ______ value for Gibbs free energy corresponds to a _____ value for cell potential and results in a _______ reaction....
Suppose the Gibbs free energy change of a reaction has a large positive value. What does...
Suppose the Gibbs free energy change of a reaction has a large positive value. What does this say about the spontaneity of the chemical reaction? Select the correct answer below: O The chemical reaction is spontaneous. O The chemical reaction is not spontaneous. O The Gibbs free energy change, in itself, says nothing about whether a reaction is spontaneous O There is not enough information provided for a definitive answer
For a galvanic cell where the standard free energy change is negative and the cell potential...
For a galvanic cell where the standard free energy change is negative and the cell potential is positive, the reaction in the cell must be: Select the correct answer below: O always spontaneous O never spontaneous O spontaneous at certain temperatures O impossible to predict
The plot on the right is of the Gibbs Free Energy vs. the reaction coordinate for...
The plot on the right is of the Gibbs Free Energy vs. the reaction coordinate for the reaction A (9) -B (g). Which of the following statements is accurate about this plot? AOB 3 coord A. At point 3, Q is larger than K and the reaction will shift left to reach equilibrium B. At point 4, the reaction is nonspontaneous in the forward reaction. C. At point 1, the forward reaction is a reversible process D. At point 2,...
In Class Exercise - The Gibbs Free Energy Change, AG 1) Determining the Standard Gibbs Free...
In Class Exercise - The Gibbs Free Energy Change, AG 1) Determining the Standard Gibbs Free Energy Change (AGⓇ) for a Chemical Reaction 2) Using AGº to Determine Spontaneity Name: Date: Lab section: Show your work when there are calculations, write units, and use correct significant figures. Consider the following reaction (balanced as written) and thermodynamic data from tables in your book: CO(NH2)2(aq) + H2O(1) ► CO2(g) + 2NH3(g) Substance CO(NH3)2(aq) H00 AH(kJ/mol) 1-391.2 -285.9 -3935 -46.19 S'J/mol K) 173.8...
In Class Exercise - The Gibbs Free Energy Change, AG 1) Determining the Standard Gibbs Free...
In Class Exercise - The Gibbs Free Energy Change, AG 1) Determining the Standard Gibbs Free Energy Change (AGⓇ) for a Chemical Reaction 2) Using AGº to Determine Spontaneity Name: Date: Lab section: Show your work when there are calculations, write units, and use correct significant figures. Consider the following reaction (balanced as written) and thermodynamic data from tables in your book: CO(NH2)2(aq) + H2O(l) → CO2(g) + 2NH3(g) Substance CO(NH2)2(aq) H2O(1) CO2(g) NH AH° (kJ/mol) -391.2 -285.9 -393.5 -46.19...
Calculate the cell potential (Ecell) and Gibbs Free Energy (Delta G) for the reaction (2Ag+ (aq)...
Calculate the cell potential (Ecell) and Gibbs Free Energy (Delta G) for the reaction (2Ag+ (aq) + Fe (s) -> Fe2+ (aq) + 2Ag (s) ) under these conditions: a 250mL beaker of 1.0mol Fe metal electrode and 0.10 moles of Fe 2+; and a second 250mL beaker of 2.0 moles Ag metal electrode ad 0.50 moles of Ag+. E naught of the cell= 1.21 V.
Item 29 29 of 32 Review Constants Periodic Table Calculate the change in Gibbs free energy...
Item 29 29 of 32 Review Constants Periodic Table Calculate the change in Gibbs free energy for each of the sets of AN A S , and T given in the following problems Predict whether or not the reaction in part A wil be spontaneous at the femperature indicated. (Assume that all reactants and products are in their standard states) spontaneous nonspontaneous Submit Part F Predict whether or not the reaction in part B will and products are in their...
Item 29 29 of 32 Review | Constants Periodic Table Calculate the change in Gibbs free energy for each of the...
Item 29 29 of 32 Review | Constants Periodic Table Calculate the change in Gibbs free energy for each of the sets of AH AS and T given in the following problems. Submit Request Answer Predict whether or not the reaction in part will be spontaneous at the temperature indicated. (Assume that all reactants and products are in their standard States.) spontaneous nonspontaneous Submit Part H Predict whether or not the reaction in part and products are in their standard...
DI Question 3 2 pts The AG (change in Gibbs free energy at standard biochemical state)...
DI Question 3 2 pts The AG (change in Gibbs free energy at standard biochemical state) for the reaction below is -8.6 kJ/mol. What is ao for this reaction at 37°C when [A)-0.2 M [B-0.2 M, (C]-0.4 M, and ID)-0.6 M? ABCDase A BCD 3.98 J/mol O -4.16 KJ/mol 0-13.22kJ/mol 0 6.81k/moll DI Question 4 2 pts Which one of the following statements is true? 0 if ΔG is negative, the reaction will be spontaneous. Exothermic reactions are always spontaneous....
Standard free energy change (Delta degree G) and cell potential (E degree) can be said to...
Standard free energy change (Delta degree G) and cell potential (E degree) can be said to measure the same thing and are convertible by the equation: Delta G degree = nF E degree _cell where n is the total number of moles of electrons being transferred, and F is Faraday constant 9.6- 1853415 times 10^C/mol. The free energy (Delta G degree) of a spontaneous reaction is always negative. For each of the electrochemical cells below, calculate the free energy of...
Suppose the Gibbs free energy change of a reaction has a large positive value. What does this say about the spontaneity of the chemical reaction? Select the correct answer below: O The chemical reaction is spontaneous. O The chemical reaction is not spontaneous. O The Gibbs free energy change, in itself, says nothing about whether a reaction is spontaneous O There is not enough information provided for a definitive answer
For a galvanic cell where the standard free energy change is negative and the cell potential is positive, the reaction in the cell must be: Select the correct answer below: O always spontaneous O never spontaneous O spontaneous at certain temperatures O impossible to predict
The plot on the right is of the Gibbs Free Energy vs. the reaction coordinate for the reaction A (9) -B (g). Which of the following statements is accurate about this plot? AOB 3 coord A. At point 3, Q is larger than K and the reaction will shift left to reach equilibrium B. At point 4, the reaction is nonspontaneous in the forward reaction. C. At point 1, the forward reaction is a reversible process D. At point 2,...
In Class Exercise - The Gibbs Free Energy Change, AG 1) Determining the Standard Gibbs Free Energy Change (AGⓇ) for a Chemical Reaction 2) Using AGº to Determine Spontaneity Name: Date: Lab section: Show your work when there are calculations, write units, and use correct significant figures. Consider the following reaction (balanced as written) and thermodynamic data from tables in your book: CO(NH2)2(aq) + H2O(1) ► CO2(g) + 2NH3(g) Substance CO(NH3)2(aq) H00 AH(kJ/mol) 1-391.2 -285.9 -3935 -46.19 S'J/mol K) 173.8...
In Class Exercise - The Gibbs Free Energy Change, AG 1) Determining the Standard Gibbs Free Energy Change (AGⓇ) for a Chemical Reaction 2) Using AGº to Determine Spontaneity Name: Date: Lab section: Show your work when there are calculations, write units, and use correct significant figures. Consider the following reaction (balanced as written) and thermodynamic data from tables in your book: CO(NH2)2(aq) + H2O(l) → CO2(g) + 2NH3(g) Substance CO(NH2)2(aq) H2O(1) CO2(g) NH AH° (kJ/mol) -391.2 -285.9 -393.5 -46.19...
Item 29 29 of 32 Review Constants Periodic Table Calculate the change in Gibbs free energy for each of the sets of AN A S , and T given in the following problems Predict whether or not the reaction in part A wil be spontaneous at the femperature indicated. (Assume that all reactants and products are in their standard states) spontaneous nonspontaneous Submit Part F Predict whether or not the reaction in part B will and products are in their...
Item 29 29 of 32 Review | Constants Periodic Table Calculate the change in Gibbs free energy for each of the sets of AH AS and T given in the following problems. Submit Request Answer Predict whether or not the reaction in part will be spontaneous at the temperature indicated. (Assume that all reactants and products are in their standard States.) spontaneous nonspontaneous Submit Part H Predict whether or not the reaction in part and products are in their standard...
DI Question 3 2 pts The AG (change in Gibbs free energy at standard biochemical state) for the reaction below is -8.6 kJ/mol. What is ao for this reaction at 37°C when [A)-0.2 M [B-0.2 M, (C]-0.4 M, and ID)-0.6 M? ABCDase A BCD 3.98 J/mol O -4.16 KJ/mol 0-13.22kJ/mol 0 6.81k/moll DI Question 4 2 pts Which one of the following statements is true? 0 if ΔG is negative, the reaction will be spontaneous. Exothermic reactions are always spontaneous....
Standard free energy change (Delta degree G) and cell potential (E degree) can be said to measure the same thing and are convertible by the equation: Delta G degree = nF E degree _cell where n is the total number of moles of electrons being transferred, and F is Faraday constant 9.6- 1853415 times 10^C/mol. The free energy (Delta G degree) of a spontaneous reaction is always negative. For each of the electrochemical cells below, calculate the free energy of...
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