Predicting whether simple electrochemical reactions happenDecide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical equation for it. Be sure yourchemical equation is balanced and has physical state symbols.situationA strip of solid silverchemicalreaction?metal is put into a beakerof 0.079M Fe(NO3)2solution.yesnoA strip of solid iron metalis put into a beaker of0.084M AgNO3 solution.chemical equation☐yes☐no☑

1) When a strip of solid silver metal is put into a beaker of 0.079M Fe(NO3)2 we need to consider…

Answered: Predicting whether simple…

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU6: Showtime: Reversible Reactions And Chemical Equilibrium

SectionU6.2: How Backward: Reversible Reactions

Problem 7E

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The iron content of hemoglobin is determined by destroying the hemoglobin molecule and producing small water-soluble ions and molecules. The iron in the aqueous solution is reduced to iron(II) ion and then titrated against potassium permanganate. In the titration, iron(ll) is oxidized to iron(III) and permanganate is reduced to manganese(II) ion. A 5.00-g sample of hemoglobin requires 32.3 mL of a 0.002100 M solution of potassium permanganate. The reaction with permanganate ion is MnO4(aq)+8H+(aq)+5Fe2+(aq)Mn2+(aq)+5Fe3+(aq)+4H2O What is the mass percent of iron in hemoglobin?
An aqueous solution of an unknown salt of gold is electrolyzed by a current of 2.75 amps for 3.39 hours. The electroplating is carried out with an efficiency of 93.0%, resulting in a deposit of 21.221 g of gold. a How many faradays are required to deposit the gold? b What is the charge on the gold ions (based on your calculations)?
Write balanced net ionic equations for the following reactions in acid solution. (a) Liquid hydrazine reacts with an aqueous solution of sodium bromate. Nitrogen gas and bromide ions are formed. (b) Solid phosphorus (P4) reacts with an aqueous solution of nitrate to form nitrogen oxide gas and dihydrogen phosphate (H2PO4-) ions. (c) Aqueous solutions of potassium sulfite and potassium permanganate react. Sulfate and manganese(II) ions are formed.
Balance the following skeleton equations. The reactions occur in acidic or basic aqueous solution, as indicated. a MnO4+S2MnO2+S8(basic) b IO3+HSO3I+SO42(acidic) c Fe(OH)2+CrO42Fe(OH)3+Ce(OH)4(basic) d Cl2Cl+ClO(basic)
What is the oxidation number of S in each of the following molecules? a. S2 b. S8 c. H2S d. SO3
Order the following oxidizing agents by increasing strength under standard-state conditions: Mg2+(aq), Hg2+(aq), Pb2+(aq).
. To obtain useful electrical energy from an oxidation-reduction process, we must set up the reaction in such a way that the Oxidation half-reaction and the reduction half-reaction are physically one _____another.
Copper can be plated onto a spoon by placing the spoon in an acidic solution of CuSO4(aq) and connecting it m a copper strip via a power source as illustrated below: a. Label the anode and cathode. and describe the direction of the electron now. b. Write out the chemical equations for the reactions that occur at each electrode.

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