Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN: 9781938168390
Author: Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher: OpenStax
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Textbook Question
Chapter 17, Problem 32E
Determine ΔG and ΔG ° for each of the reactions in the previous problem.
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Chapter 17 Solutions
Chemistry by OpenStax (2015-05-04)
Ch. 17 - If a 2.5 A current is run through a circuit for 35...Ch. 17 - For the scenario in the previous question, how...Ch. 17 - For each of the following balanced half-reactions,...Ch. 17 - For each of the following balanced half-reactions,...Ch. 17 - Given the following pairs of balanced...Ch. 17 - Balance the following in acidic solution: (a)...Ch. 17 - Identify the species that undergoes oxidation, the...Ch. 17 - Balance the following in acidic solution: (a)...Ch. 17 - Identify the species that was oxidized, the...Ch. 17 - Why is it not possible for hydroxide ion (OH-) to...
Ch. 17 - Why is it not possible for hydrogen ion (H+) to...Ch. 17 - Why must the charge balance in oxidation-reduction...Ch. 17 - Write the following balanced reactions using cell...Ch. 17 - Given the following cell notations, determine the...Ch. 17 - For the cell notations in the previous problem,...Ch. 17 - Balance the following reactions and write the...Ch. 17 - Identify the species oxidized species reduced, and...Ch. 17 - From the information provided, use cell notation...Ch. 17 - Why is a salt bridge necessary in galvanic cells...Ch. 17 - An active (metal) electrode was found to gain mass...Ch. 17 - An active (metal) electrode was found to lose mass...Ch. 17 - The mass of three different metal electrodes, each...Ch. 17 - For each reaction listed, determine its standard...Ch. 17 - For each reaction listed, determine its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - Determine the overall reaction and its standard...Ch. 17 - For the standard cell potentials given here,...Ch. 17 - For the ?G values given here, determine the...Ch. 17 - Determine the standard cell potential and the cell...Ch. 17 - Determine G and G for each of the reactions in...Ch. 17 - Use the data in Appendix L to determine the...Ch. 17 - What are the desirable qualities of an electric...Ch. 17 - List some things that are typically considered...Ch. 17 - Consider a battery made from one half-cell that...Ch. 17 - Consider a battery with the overall reaction:...Ch. 17 - An inventor proposes using a SHE (standard...Ch. 17 - Why do batteries go dead, but fuel cells do not?Ch. 17 - Explain what happens to battery voltage as a...Ch. 17 - Using the information thus far in this chapter,...Ch. 17 - Which member of each pair of metals is more likely...Ch. 17 - Consider the following metals: Ag, Au, Mg, Ni, and...Ch. 17 - Aluminum (E Al 3+/Al=2.07V) is more easily...Ch. 17 - If a sample of iron and a sample of zinc come into...Ch. 17 - Suppose you have three different metals. A, B, and...Ch. 17 - Why would a sacrificial anode made of lithium...Ch. 17 - Identify the reaction at the anode, reaction at...Ch. 17 - What mass of each product is produced in each of...Ch. 17 - How long would it take to reduce 1 mole of each of...Ch. 17 - A current of 2.345 A passes through the cell shown...Ch. 17 - An irregularly shaped metal part made from a...
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- Calculate K at 25°C for each of the reactions referred to in Question 32. Assume smallest whole-number coefficients.arrow_forwardCalculate E°, G°, and K at 25°C for the reaction 3Mn2+(aq)+2MnO4(aq)+2H2O5MnO2(s)+4H+(aq)arrow_forwardCalculate E°, G°, and K at 25°C for the reaction 3MnO4(aq)+4H+(aq)+Cl2(g)2Mn2+(aq)+2ClO3(aq)+2H2Oarrow_forward
- Consider the reaction below at 25°C: 2MnO4(aq)+16H+(aq)+10Br(aq)2Mn2+(aq)+5Br2(l)+8H2O Use Table 17.1 to answer the following questions. Support your answers with calculations. (a) Is the reaction spontaneous at standard conditions? (b) Is the reaction spontaneous at a pH of 2.00 with all other ionic species at 0.100 M? (c) Is the reaction spontaneous at a pH of 5.00 with all other ionic species at 0.100 M? (d) At what pH is the reaction at equilibrium with all other ionic species at 0.100 M?arrow_forwardCalculate K at 25°C for each of the reactions referred to in Question 31.arrow_forwardConsider the reaction low at 25°C: 3SO42(aq)+12H+(aq)+2Cr(s)3SO2(g)+2Cr3+(aq)+6H2O Use Table 17.1 to answer the following questions. Support your answers with calculations. (a) Is the reaction spontaneous at standard conditions? (b) Is the reaction spontaneous at a pH of 3.00 with all other ionic species at 0.100 M and all gases at 1.00 atm? (c) Is the reaction spontaneous at a pH of 8.00 with all other ionic species at 0.100 M and all gases at 1.00 atm? (d) At what pH is the reaction at equilibrium with all other ionic species at 0.100 M and all gases at 1.00 atm?arrow_forward
- Calculate G at 355 K for each of the reactions in Question 17. State whether the reactions are spontaneous.arrow_forwardWhen magnesium metal is added to a beaker of HCl(aq), a gas is produced. Knowing that magnesium is oxidized and that hydrogen is reduced, write the balanced equation for the reaction. How many electrons are transferred in the balanced equation? What quantity of useful work can be obtained when Mg is added directly to the beaker of HCl? How can you harness this reaction to do useful work?arrow_forwardThe equilibrium constant for a reaction is 31015 (a) Without carrying out any calculation, discuss whether ?G° for the reaction is positive or negative. (b) Calculate ?G° for this reaction.arrow_forward
- Calculate G for the following reactions and state whether each reaction is spontaneous under standard conditions at 298 K. (a) 2Na(s) + H2SO4() Na2SO4(s) + H2(g) (b) Cu(s) + H2SO4() CuSO4(s) + H2(g)arrow_forwardCalculate G° at 25°C for each of the reactions referred to in Question 30. Assume smallest whole-number coefficients.arrow_forwardFor each reaction listed, determine its standard cell potential at 25 C and whether the reaction is spontaneous at standard conditions. (a) Mn(s)+Ni2+(aq)Mn2+(aq)+Ni(s) (b) 3Cu2+(aq)+2Al(s)2Al3+(aq)+3Cu(s) (c) Na(s)+LiNO3(aq)NaNO3(aq)+Li(s) (d) Ca(NO3)2(aq)+Ba(s)Ba(NO3)2(aq)+Ca(s)arrow_forward
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