Tag Archive | "free energy change"
Compute the standard free energy change for the following reaction. (Enter your answer in kJ).?
Compute the standard free energy change for the following reaction. (Enter your answer in kJ). Fe2O3(s) + 2 Al(s) –> Al2O3(s) + 2 Fe(s)
Continue reading...Calculate the free energy change for the hydrolysis of ATP under these conditions.(temp is 298K)?
Tuesday, June 28, 2011
The standard free energy change for the hydrolysis of ATP is -30.5 kJ. In a particular cell, the concentrations of ATP, ADP, and Pi are 2.8×10^-3 M, 1.2×10^-3 M, and 4.0×10^-3 M, respectively
Continue reading...The free energy change for the dissolution of BaSO4 at 25.00°C is 50.37 kJ/mol. What is the solubility of this?
Sunday, May 1, 2011
The free energy change for the dissolution of BaSO4 at 25.00°C is 50.37 kJ/mol. What is the solubility of this compound?
Continue reading...What is the free energy change, ΔG°, for the equilibrium between hydrogen iodide, hydrogen?
Friday, April 8, 2011
What is the free energy change, ΔG°, for the equilibrium between hydrogen iodide, hydrogen, and iodine at 453°C? Keq = 0.020 2HI(g) H2(g) + I2(g) a. 6.4 kJ b. 8.8 kJ c. 15 kJ d. 19 kJ e. 24 kJ
Continue reading...Why standard free energy=0 not always equilibrium?
Tuesday, March 8, 2011
So the value deltaG decides if the reaction is spontaneous/equilibrium. But why is it only usually but not always true for standard free energy change ( deltaG’0). The professor said deltaG depends on actual concentrations and deltaG’0……..I dont get it. Thanks for answering!
Continue reading...What is the free energy change of…?
Thursday, March 3, 2011
Hi, i’m wondering if someone could answer this question for me. What is the free energy change (triangle)G? Zn(s) + Cu2+ -> Zn2+ + Cu(s) Please show your work, as i have the answer in a sample work book, i just don’t know how to get the answer. thanks for helping.
Continue reading...Free energy and enzyme. I want your opinion regarding my opinion?
Thursday, January 20, 2011
If a reaction happens very quickly when an enzyme is present, but very slowly when the enzyme is absent, what can you conclude about the free energy change for the reaction? answer choice: positive, negative, or you can’t conclude anything about the free energy change. My thoughts: I think you can’t conclude anything about the [...]
Continue reading...Standard free energy question? 10 points WILL be rewarded?
Sunday, January 9, 2011
Use standard reduction potentials to calculate the standard free energy change in kJ for the reaction: 2Ag+(aq) + Pb(s) 2Ag(s) + Pb2+(aq) Is K greater than 1 or less than 1?
Continue reading...standard gibbs free energy change and gibbs free energy change?
Monday, January 3, 2011
What is the difference between standard gibbs free energy change and gibbs free energy change?
Continue reading...Which statement about standard Gibbs free energy change, ΔG°, and Keq is not correct?
Wednesday, December 22, 2010
Which statement about standard Gibbs free energy change, ΔG°, and Keq is not correct? a) If ΔG° > 0, then Keq < 1. b) ΔG° is a term that relates ΔH°, T, and ΔS°. c) If ΔG° < 0, then Keq < 0.1. d) If ΔG = 0, then the reaction is at equilibrium.
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Monday, July 4, 2011
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