1. Use the thermodynamic values in the table below to determine enthalpy, entropy, and free energy for the copper/zinc cell reaction in Experiment I (b). Species AH", (kl/mol) S (J/mol-K) Cu (s) 33 Cu" (aq) 64.9 - 98 Zn (s) 42 Zn (aq) -153.4 - 109 Report your calculated value with accurate units and significant figures for each of the following thermodynamic values using the above table: AS"n = AH"rn = AG rxn =

1. Use the thermodynamic values in the table below to determine enthalpy, entropy, and free energy for the copper/zinc cell reaction in Experiment I (b). Species AH", (kl/mol) S (J/mol-K) Cu (s) 33 Cu" (aq) 64.9 - 98 Zn (s) 42 Zn (aq) -153.4 - 109 Report your calculated value with accurate units and significant figures for each of the following thermodynamic values using the above table: AS"n = AH"rn = AG rxn =

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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3. Magnesium binds ATP: non ideal a) The value of AG is -36 kJ/mol at 25 °C. If a solution is at standard conditions, what is the concentration of Mg"? 46=A6% +RTIN (GR =-36000J/mol + (8.310/1.1) (24P) In ( ) ( ) =-38477.57 kJ/mol (5) b) Magnesium is commonly found throughout cells át a constant concentration of about 25 mM. You can define a new standard state called the biological magnesium standard state. The value of AG at the magnesium standard state can be denoted AGN Explain how you can transform the equations: 4G₁ = 46axy +RTING and AGREN AGEN+RTINQ' HAHA+RTIN Into the equations: + M₂² Mg PA HA +RTIN aA-A-CA MAMA+RT In CGA) 25 298k A Gixn = -36000 J/molke standard = | gª VA-MAMS +RTIO ams This equation is for monideal soutions derning from Icheal gas law- Usea withiens and AGRXN = AGN + RTINQ AGAG" +RTIN (G) AGA AG" + RT INQ Aben AGn + RTING A Gren AGM +RTINGING c) If you define the value of ae" as exactly 25 mM, what is the value of AGN? 25mM= 0.025M 46+xn = Elral), Rrink =…
8 6. For the cell Cd(Hg)|CDSO,. H,0(s)|Hg,SO,(s)|Hg the emf is given as a function of temperature t (°C), by the emprical expression E(V) = 1.01845 - (4.05 x 105)(t-20) - (9.5 x 10")(t-20)? Calculate the changes in the thermodynamic properties of free energy, entropy and enthalpy for the cell reaction at 25°C.
-26.93 is the answer I keep getting but says it is incorrect
Consider the reaction 2H202(1)2H20(1) + 02(g) Using the standard thermodynamic data in the tables linked above, calculate the equilibrium constant for this reaction at 298.15K. ANSWER: Submit Answer Retry Entire Group 9 more group attempts remaining
The table below provides data for the enthalpy and entropy of formation of compounds A and B at standard conditions (298 K) Compound DHfo (kJ mol-1) Sfo(J K-1mol-1) A –135.2 189.2 B –157.6 192.1 (b) A reversible isomerization reaction converts reactant A to product X. Calculate the Gibbs energy change at non-standard conditions (310 K) if the concentration of A is 2 x 10-4M and that of X is 3 x 10-6 M. Comment on whether the reaction is spontaneous at these conditions. The equilibrium constant Keq = 0.05. Assume standard temperature is 298K.
18.3 Gibbs Free E... 21,099 = 5.3 Enthalpies of... O ELECTROCHEMISTRY Ranking the strength of oxidizing and reducing agents using... species Br₂ (1) Mg²+ (aq) Na (aq) Ag (aq) Use the information in the ALEKS Data tab to sort the following chemical species by oxidizing power. Explanation oxidizing power choose one v X 18.5 Gibbs Free E... choose one v choose one choose one Check 5 S . Reading Schedule 19.6 Reduction Po... Ⓒ tv Search or type URL 2022 McGraw Hill LLC A
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8. BN480, 564) What would be the free energy change for the reaction Fe(s) + Cd²+ (aq) Fe²+ (aq) + Cd(s) Kc = 20.0 at 298 K.
6. The reduction of Ubiquinone (Q) by NADH in the electron transport system has a change in standard reduction potential (AE,') of 0.360 V. What is standard state free energy change (AGo) for this reaction? Round the answer to one decimal place.
3.15 (a) and (b) please help!