Chemistry Solutions Library

Chemistry Solutions Library

Access over 28,299 Chemistry video and text solutions to help you complete your homework.

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28,299 solutions

Redox Reaction

Q. Which of the following reactions may occur at the anode? a. Ga3+ (aq) + 3 e–       →      Ga (s) b. Cu2+ (aq) + 2 e–      →       Cu (s) c. 2 Cl...

Solved • Feb 3, 2016

Galvanic Cell

Q. Which statement is false? a. Reduction occurs at the cathode. b. A reducing agent will lose electrons. c. Cations migrate to the cathode in both...

Solved • Feb 3, 2016

Electrolysis of Water & Mixture of Ions

Q. During the process for electrolysis of water, a current is passed through water and produces hydrogen gas and oxygen gas. Which of the following st...

Solved • Feb 3, 2016

Galvanic Cell

Q. The purpose of a galvanic cell is to: a. Transduce chemical energy to electrical energy. b. Purify solids. c. Allow for oxidation without reduct...

Solved • Feb 3, 2016

Balancing Redox Reactions: Basic Solutions

Q. What is the coefficient of the oxidizing agent when it is balanced within a basic solution? Cl2(g) + S2O3 2- (aq)      →       Cl- (aq) + SO4 2- (...

Solved • Feb 3, 2016

Balancing Redox Reactions: Acidic Solutions

Q. Consider the equation: Cr2O7 2 – + H + + I –       →      Cr 3+ (aq) + H2O + I 3 – Which coefficient would be needed to balance I –? a) 9        ...

Solved • Feb 3, 2016

Balancing Redox Reactions: Acidic Solutions

Q. Consider the reaction of 3.0 M dichromate: Cr2O7 2–      →       Cr3+ (Acidic Medium). What would be the coefficient on water in the balanced equat...

Solved • Feb 3, 2016