2- Consider a solution of an electrolyte that is completely dissociated into ions. By the additivity rulethe Gibbs energy of the solution should be the sum of the Gibbs energies of the solvent, the positiveand the negative ions:Using the following equations:Gnsμs + n + μ + + n_μ.Prove that a = a=μμ°RT In a;=HμRT In a+H+μRT In a+μ_=μ+RT In a

To prove the relationship a=a+v , we need to utilize the given equations for the chemical…

Answered: 2- Consider a solution of an…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Can you help me show the process in this problem? The standard enthalpy of combustion of solid urea is −632 kJ mol−1 at 298 K and its standard molar entropy is 104.60 J K−1 mol−1. Calculate the standard Gibbs energy of formation of urea at 298 K. Answer: -197 kJ/mol
Element X has an enthalpy of fusion (ΔfusH°) of 59.2 kJ mol-1 at its melting point (Tm = 684°C). Calculate ΔSsys for the freezing process,X(l) ⇌ X(s)at 1 bar and 684°C. Express your answer in units of J mol-1 K-1 to 3 significant figures.
Calculate the change in Gibbs energy for each of the sets of ΔrH∘, ΔrS∘, and T.
What is the A,G for the following reaction (in kJ mol ¹) at 298 K? 2 Si (s) + 3 H2(g) Si₂H6 (g) 1 The conditions for this reaction are: PH2 = 1.21 bar PsizH6 = 0.5 bar. You will also need to use Appendix II in your textbook (containing standard Gibbs energies of formation). A copy of Appendix II has also been posted on eClass. Please use the method of Gibbs energy of formation to calculate ArG" if needed. For partial credit, enter the value of "Q" for this reaction. Answer:
Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP. In this way. luciferase can test for the presence of life. The coupled reactions are luciferin + O, - oxyluciferin + light АMP + PPi АТР Given that for the coupled reaction, A,G(278K) = -7.70kJ mol1, and for the hydrolysis of ATP to AMP, A,G(278K) = -31.6 kJ mol-1, what is K for the first reaction at 278 K ? Express your answer numerically. • View Available Hint(s) Templates Symbols undo redo Tesết keyboard shortcuts help exporent subscript fraction squaré root nth root vector unit vector absoluteValue sciertific notation dejete Close keyboa K = 8.79 • 10-6
You have a REGULAR solution of A and B. You determined that for a solution with xA= 0.32, the molar Gibbs of mixing is -1.23 kJ/mol at 298 K. Find the molar enthalpy of mixing. Is mixing endergonic or exergonic?
If 2.00 mL of 0.500 M NaOH are added to1.000 Lof0.400 M CaCl2,what is the value of the reaction quotient and will precipitation occur?
Part G Pt(s) |O₂(g) H+ (aq)||OH(aq) |O₂(g) Pt(s) Express your answer as a net ion equation. Identify all of the phases in your answer. Part H | ΑΣΦ A chemical reaction does not occur for this question. Submit Request Answer cell Calculate Ecell for the reaction in part G. Express your answer to three decimal places and include the appropriate units. HA ? Value Units ?
This question has multiple parts. Work all the parts to get the most points. Use the References to access important values if needed for this question. The Gibbs Free Energy equation is given by the equation: AG=AG + RTln Q - Where: AG = Gibbs Free Energy change AG = Standard Gibbs Free Energy change T= temperature In Q = natural log of the reaction quotient In order to solve for the temperature, T, in two steps you must: Step One Add the same expression to each side of the equation to leave the term that includes the variable by itself on the right-hand side of the expression: (Be sure that the answer field changes from light yellow to dark yellow before releasing your answer.) +AG = +AG + RT In Q Drag and drop your selection from the following list to complete the answer: 1 -AG AG AGⓇ AGⓇ Submit
Physical Chem #4

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