Balancing Chemical Equations

Question 1

Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation:

Revolt · Accepted Answer

()Zn + ()HCl → ()ZnCl2 + ()H2: 1; ()Zn + ()HCl → ()ZnCl2 + ()H2: 2

Question 2

123✔ 4

Revolt · Accepted Answer

✔ 4

Question 3

1✔ 234

Revolt · Accepted Answer

✔ 2

Question 4

✔ 1234

Revolt · Accepted Answer

✔ 1

Question 5

[___] Use coefficients to increase the atoms on each side.

Revolt · Accepted Answer

3; Selection 1: 3; Selection 2: 4; Selection 3: 2; Selection 4: 1

Question 6

([___])Li2O + ([___])H2O → ([___])LiOH

Revolt · Accepted Answer

1; ()Li2O + ()H2O → ()LiOH: 1; ()Li2O + ()H2O → ()LiOH: 2

Question 7

([___])H2O → ([___])H2 + ([___])O2

Revolt · Accepted Answer

2; ()H2O → ()H2 + ()O2: 2; ()H2O → ()H2 + ()O2: 1

Question 8

([___])Na2HPO4 → ([___])Na4P2O7 + ([___])H2O

Revolt · Accepted Answer

2; ()Na2HPO4 → ()Na4P2O7 + ()H2O: 2; ()Na2HPO4 → ()Na4P2O7 + ()H2O: 1

Question 9

()CaSO4 → ()O2 + ()CaS

Revolt · Accepted Answer

1; Selection 1: 1; Selection 2: 2; Selection 3: 1

Question 10

([___])BaO2 + ([___])H2SO4 → ([___])H2O2 + ([___])BaSO4

Revolt · Accepted Answer

1; Selection 1: 1; Selection 2: 1; Selection 3: 1; Selection 4: 1

Balancing Chemical Equations Answers