Balancing Chemical Equations- ACDouce

Composition

100

___N₂ + ___O₂ ➝ ___NO₂

What is 1, 2, 2

200

___Mg + ___N₂ ➝ ___Mg₃N₂

What is 3, 1, 1

300

___Cu + ___O₂ ➝ ___CuO

What is 2, 1, 1

400

___SO₃ + ___H₂O ➝ ___H₂SO₄

What is 1, 1, 1

500

___Li + ___N₂ ➞ ___Li₃N

What is 6, 1, 2

Decomposition

100

___PbO ➝ ___Pb + ___O₂

What is 2, 2, 1

200

___PbS ➝ ___Pb + ___S₈

What is 8, 8, 1

300

___PCl₅ ➝ ___P₄ + ___Cl₂

What is 4, 1, 10

400

___SF₆ ➝ ___S₈ + ___F₂

What is 8, 1, 24

500

___Ca₃P₂ ➝ ___Ca + ___P₄

What is 2, 6, 1

Hydrocarbon Combustion

100

___CH₄ + ___O₂ ➝ ___CO₂ + ___H₂O

What is 1, 2, 1, 2

200

___C₃H₈ + ___O₂ ➝ ___CO₂ + ___H₂O

What is 1, 5, 3, 4

300

___C₂₅H₅₂ + ___O₂ ➝ ___CO₂ + ___H₂O

What is 1, 38,25,26

400

___C₅H₁₀ + ___O₂ ➝ ___CO₂ + ___H₂O

What is 1, 15/2, 5, 5 or 2, 15, 10, 10

500

___C₈H₁₈ + ___O₂ ➝ ___CO₂ + ___H₂O

What is 1, 25/2, 8, 9 or 2, 25, 16, 18

Single Replacement

100

___Mg (s) + ___AgNO₃ (aq) ➝ ___Ag (s) + ___Mg(NO₃)₂ (aq)

What is 1, 2, 2, 1

200

___Zn (s) + ___HCl (aq) ➝ ___H₂ (g) + ___ZnCl₂ (aq)

What is 1, 2, 1, 1

300

___Cl₂ (g) + ___NaBr (aq) ➝ ___I₂ (s) + ___NaI (aq)

What is 1, 2, 1, 2

400

___K (s) + ___HOH (l) ➝ ___H₂ (g) + ___KOH (aq)

What is 1, 1, 1/2, 1 or 2, 2, 1, 2

500

___Al (s) + ___HNO₃ (aq) ➝ ___H₂ (g) + ___Al(NO₃)₃ (aq)

What is 1, 3, 3/2, 1 or 2, 6, 3, 2

Double Replacement

100

___NaCl (aq) + ___AgNO₃ (aq) ➝ ___AgCl (s) + ___NaNO₃ (aq)

What is 1, 1, 1, 1

200

___Na₂SO₃ (aq) + ___Ba(NO₃)₂ (aq) ➝ ___NaNO₃(aq) + ___BaSO₄ (s)

What is 1, 1, 2, 1

300

___FeCl₃ (aq) + ___LiOH (aq) ➝ ___LiCl (aq) + ___Fe(OH)₃ (s)

What is 1, 3, 3, 1

400

___Na₃PO₄ (aq) + ___Ba(NO₃)₂ (aq) ➝ ___NaNO₃(aq) + ___Ba₃(PO₄)₂ (s)

What is 2, 3, 6, 1

500

___K₂CO₃ (aq) + ___Sb(NO₃)₅ (aq) ➝ ___KNO₃(aq) + ___Sb₂(CO₃)₅ (s)

What is 5, 2, 10, 1