(a)
Interpretation:
Whether the solution with [BrO4-] = [Ce4+] =0.675 M ,[BrO3-] = [Ce3+] =0.600 M and pH =1 can be prepared at 298 K or not should be determined.
Concept introduction:
Nernst equation is represented as follows:
Z = number of moles of electrons transferred in the cell and Q is ratio of concentration of product to reactant.
The pH of solution can be calculated as follows:
Here,
(b)
Interpretation:
If the reaction cannot occur according to the given direction, the direction that occurs should be discussed.
Concept introduction:
Nernst equation is represented as follows:
Z = number of moles of electrons transferred in the cell and Q is ratio of concentration of product to reactant.
The pH of solution can be calculated as follows:
Here,
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General Chemistry: Principles and Modern Applications (11th Edition)
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- Follow the directions of Question 47 for the following reactions: (a) 2H2O(l)+O2(g)2H2O2(g) (b) 2CH4(g)C2H2(g)+3H2(g) (c) Br2(g)+H2(g)2HBr(g)arrow_forwardCalculate the standard cell potential of the cell corresponding to the oxidation of oxalic acid, H2C2O4, by permanganate ion. MnO4. 5H2C2O4(aq)+2MnO4(aq)+6H+(aq)10CO2(g)+2Mn2+(aq)+8H2O(l) See Appendix C for free energies of formation: Gf for H2C2O4(aq) is 698 kJ.arrow_forwardPhosphate ions are abundant in cells, both as the ions themselves and as important substituents on organic molecules. Most importantly, the pKa for the H2PO4 ion is 7.20, which is very close to the normal pH in the body. H2PO4(aq) + H2O() H3O+(aq) + HPO42(aq) 1. What should the ratio [HPO42]/[H2PO4] be to control the pH at 7.40?arrow_forward
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