Balancing redox equations

Question 1

Rule 1 - balancing redox equations

Answer 1

write the 2 half equations given in the question then balance the atoms

Question 2

Rule 2 - balancing redox equations

Answer 2

balance the H and O atoms by adding H2O and/or H+

Question 3

Rule 3 - balancing redox equations

Answer 3

balance the electric charges by adding electrons

Question 4

Rule 4 - balancing redox equations

Answer 4

add the half equations, cancelling the electrons

Question 5

Rule 5 - balancing redox equations

Answer 5

simplify the equation by cancelling molecules/ions that appear on both sides of the equation