13. Fundamentals of Electrochemistry

Basic Concepts

13. Fundamentals of Electrochemistry

# Basic Concepts

Basic Redox Concepts

1

concept

## Basic Redox

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2

concept

## Basic Redox

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Basic Redox Concepts Calculations

3

example

## Basic Redoxs Calculations 1

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4

example

## Basic Redoxs Calculations 1

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5

Problem

ProblemSolve for the missing variable in the following circuit.

A

0.075 C/s

B

7.68x103 C/s

C

13.3 C/s

D

7.50 C/s

6

Problem

ProblemSolve for the missing variable in the following circuit.

A

66.6 V

B

150 V

C

0.015 V

D

1.50x103 V

7

example

## Basic Redoxs Calculations 2

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8

example

## Basic Redoxs Calculations 2

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9

Problem

ProblemA metal forms the salt MCl _{3}. Electrolysis of the molten salt with a current of 0.700 A for 6.63 h produced 3.00 g of the metal. What is the molar mass of the metal?

A

8.6610 g/mol

B

103.9323 g/mol

C

51.9662 g/mol

D

5.77 g/mol

E

25.98 g/mol

10

example

## Basic Redoxs Calculations 3

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11

example

## Basic Redoxs Calculations 3

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12

example

## Basic Redoxs Calculations 3

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Balancing Redox Reactions

13

concept

## Balancing Redox Reactions

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14

example

## Balancing Redox Reactions Calculations

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15

Problem

ProblemBalance the following redox reaction in basic solution.

Cr_{2}O_{7}** ^{2–}** (aq) + SO

_{3}

**(aq) → Cr**

^{2–}**(aq) + SO**

^{3+}_{4}

**(aq)**

^{2–}4m

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