I Review | Constants | Periodic Table The chemical reaction that causes aluminum to corrode in air is given by 4Al(s) + 302(9)→2Al½O3(s) Part A and What is the standard Gibbs energy change for this reaction? Assume the commonly used standard reference temperature of 298 K A‚H° = 3352 kJ mol 1 A,S° = 625.1 J K ' mol Express your answer as an integer and include the appropriate units. -1 » View Available Hint(s) HA ? A‚G° (298 K) = Value Units Submit Request Answer Part B What is the Gibbs energy for this reaction at 5975 K ? Assume that A,H° and A,S° do not change with temperature. Express your answer to two decimal places and include the appropriate units. • View Available Hint(s) HẢ ? A,G° (5975K) = Value Units Submit

I Review | Constants | Periodic Table The chemical reaction that causes aluminum to corrode in air is given by 4Al(s) + 302(9)→2Al½O3(s) Part A and What is the standard Gibbs energy change for this reaction? Assume the commonly used standard reference temperature of 298 K A‚H° = 3352 kJ mol 1 A,S° = 625.1 J K ' mol Express your answer as an integer and include the appropriate units. -1 » View Available Hint(s) HA ? A‚G° (298 K) = Value Units Submit Request Answer Part B What is the Gibbs energy for this reaction at 5975 K ? Assume that A,H° and A,S° do not change with temperature. Express your answer to two decimal places and include the appropriate units. • View Available Hint(s) HẢ ? A,G° (5975K) = Value Units Submit

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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A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction ATP(aq) + H₂O(1) ADP(aq) + HPO (aq) for which AG=-30.5 kJ/mol at 37.0 °C and pH 7.0. Calculate the value of AGs in a biological cell in which [ATP] = 5.0 mM, (ADP) = 0.30 mM, and [HPO-1=5.0 mM. AG= Is the hydrolysis of ATP spontaneous under these conditions? yes no kJ/mol
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For a certain chemical reaction, the standard Gibbs free energy of reaction at 5.00 °C is 142. kJ. Calculate the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = ||
G.202.
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For the reaction CO(g) + Cl₂(g) → COC1₂ (9) ΔΗ° 108 kJ and AS⁰ = – 137 J/K The equilibrium constant for this reaction at 268.0 K is Assume that AH° and ASº are independent of temperature. =
Chemistry Using the information in the data section, calculate the standard reaction ent and standard reaction Gibbs energy for the n2(g)+3h2(g) → 2nh3(g) reaction.
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Calculate the standard change in Gibbs free energy, AGxn, for the given reaction at 25.0 °C. KCI(s) = K*(aq) + Cl¯(aq) AGixn = kJ/mol Determine the concentration of K*(aq) if the change in Gibbs free energy, AGrxn , for the reaction is -8.51 kJ/mol. [K*] = M
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