Worksheet for practicing balancing chemical equations with word-to-chemical equation translation.
Balancing Chemical Equations Worksheet with 12 word equations to translate into balanced chemical equations.
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Step-by-step solution for: Balancing Chemical Equations Worksheet Translate each word ...
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Show Answer Key & Explanations
Step-by-step solution for: Balancing Chemical Equations Worksheet Translate each word ...
To solve the problem of translating each word equation into a balanced chemical equation, we need to follow these steps:
1. Identify the reactants and products from the word equation.
2. Write the chemical formulas for each substance.
3. Balance the chemical equation by ensuring the number of atoms of each element is the same on both sides of the equation.
Let's go through each problem step by step:
---
- Reactants: Iron (Fe), Oxygen (O₂)
- Product: Iron (III) oxide (Fe₂O₃)
#### Chemical Equation:
\[ \text{Fe} + \text{O}_2 \rightarrow \text{Fe}_2\text{O}_3 \]
#### Balancing:
- Start with Fe: 2 Fe atoms needed on the left.
- Start with O: 3 O atoms needed on the left.
- Balance Fe first: \( 2 \text{Fe} \).
- Balance O: \( \frac{3}{2} \text{O}_2 \) or \( 3 \text{O}_2 \) (multiply everything by 2 to remove fractions).
Final Balanced Equation:
\[ 4 \text{Fe} + 3 \text{O}_2 \rightarrow 2 \text{Fe}_2\text{O}_3 \]
---
- Reactants: Carbon (C), Oxygen (O₂)
- Product: Carbon dioxide (CO₂)
#### Chemical Equation:
\[ \text{C} + \text{O}_2 \rightarrow \text{CO}_2 \]
#### Balancing:
- C is already balanced (1 C on both sides).
- O is already balanced (2 O on both sides).
Final Balanced Equation:
\[ \text{C} + \text{O}_2 \rightarrow \text{CO}_2 \]
---
- Reactant: Copper (II) carbonate (CuCO₃)
- Products: Copper (II) oxide (CuO), Carbon dioxide (CO₂)
#### Chemical Equation:
\[ \text{CuCO}_3 \rightarrow \text{CuO} + \text{CO}_2 \]
#### Balancing:
- All elements are already balanced (1 Cu, 1 C, 3 O on both sides).
Final Balanced Equation:
\[ \text{CuCO}_3 \rightarrow \text{CuO} + \text{CO}_2 \]
---
- Reactant: Lithium hydrogen carbonate (LiHCO₃)
- Products: Lithium carbonate (Li₂CO₃), Water (H₂O), Carbon dioxide (CO₂)
#### Chemical Equation:
\[ \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \]
#### Balancing:
- Li: 2 Li atoms needed on the left.
- H: 2 H atoms needed on the left.
- C: Already balanced (1 C on both sides).
- O: 6 O atoms needed on the left.
Multiply LiHCO₃ by 2:
\[ 2 \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \]
Final Balanced Equation:
\[ 2 \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \]
---
- Reactants: Magnesium (Mg), Silver acetate (AgC₂H₃O₂)
- Products: Magnesium acetate (Mg(C₂H₃O₂)₂), Silver (Ag)
#### Chemical Equation:
\[ \text{Mg} + \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + \text{Ag} \]
#### Balancing:
- Mg: 2 Mg atoms needed on the right.
- Ag: 2 Ag atoms needed on the left.
- Multiply AgC₂H₃O₂ by 2:
\[ \text{Mg} + 2 \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + 2 \text{Ag} \]
Final Balanced Equation:
\[ \text{Mg} + 2 \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + 2 \text{Ag} \]
---
- Reactants: Zinc (Zn), Hydrochloric acid (HCl)
- Products: Zinc chloride (ZnCl₂), Hydrogen (H₂)
#### Chemical Equation:
\[ \text{Zn} + \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \]
#### Balancing:
- Zn: Already balanced (1 Zn on both sides).
- Cl: 2 Cl atoms needed on the left.
- H: 2 H atoms needed on the right.
Multiply HCl by 2:
\[ \text{Zn} + 2 \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \]
Final Balanced Equation:
\[ \text{Zn} + 2 \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \]
---
- Reactants: Calcium (Ca), Water (H₂O)
- Products: Calcium hydroxide (Ca(OH)₂), Hydrogen (H₂)
#### Chemical Equation:
\[ \text{Ca} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \]
#### Balancing:
- Ca: Already balanced (1 Ca on both sides).
- H: 2 H atoms needed on the left.
- O: 2 O atoms needed on the left.
Multiply H₂O by 2:
\[ \text{Ca} + 2 \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \]
Final Balanced Equation:
\[ \text{Ca} + 2 \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \]
---
- Reactants: Silver nitrate (AgNO₃), Ammonium carbonate ((NH₄)₂CO₃)
- Products: Silver carbonate (Ag₂CO₃), Ammonium nitrate (NH₄NO₃)
#### Chemical Equation:
\[ \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + \text{NH}_4\text{NO}_3 \]
#### Balancing:
- Ag: 2 Ag atoms needed on the left.
- NH₄: 2 NH₄ groups needed on the right.
- Multiply AgNO₃ by 2:
\[ 2 \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + 2 \text{NH}_4\text{NO}_3 \]
Final Balanced Equation:
\[ 2 \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + 2 \text{NH}_4\text{NO}_3 \]
---
- Reactants: Copper (II) nitrate (Cu(NO₃)₂), Ammonium carbonate ((NH₄)₂CO₃)
- Products: Copper (II) carbonate (CuCO₃), Ammonium nitrate (NH₄NO₃)
#### Chemical Equation:
\[ \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + \text{NH}_4\text{NO}_3 \]
#### Balancing:
- Cu: Already balanced (1 Cu on both sides).
- NH₄: 2 NH₄ groups needed on the right.
- Multiply NH₄NO₃ by 2:
\[ \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + 2 \text{NH}_4\text{NO}_3 \]
Final Balanced Equation:
\[ \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + 2 \text{NH}_4\text{NO}_3 \]
---
- Reactants: Aluminum nitrate (Al(NO₃)₃), Sodium phosphate (Na₃PO₄)
- Products: Aluminum phosphate (AlPO₄), Sodium nitrate (NaNO₃)
#### Chemical Equation:
\[ \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + \text{NaNO}_3 \]
#### Balancing:
- Al: Already balanced (1 Al on both sides).
- Na: 3 Na atoms needed on the right.
- PO₄: 1 PO₄ group needed on the left.
- Multiply NaNO₃ by 3:
\[ \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + 3 \text{NaNO}_3 \]
Final Balanced Equation:
\[ \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + 3 \text{NaNO}_3 \]
---
- Reactants: Hydrobromic acid (HBr), Potassium hydroxide (KOH)
- Products: Potassium bromide (KBr), Water (H₂O)
#### Chemical Equation:
\[ \text{HBr} + \text{KOH} \rightarrow \text{KBr} + \text{H}_2\text{O} \]
#### Balancing:
- All elements are already balanced (1 H, 1 Br, 1 K, 1 O on both sides).
Final Balanced Equation:
\[ \text{HBr} + \text{KOH} \rightarrow \text{KBr} + \text{H}_2\text{O} \]
---
- Reactants: Phosphoric acid (H₃PO₄), Calcium hydroxide (Ca(OH)₂)
- Products: Calcium phosphate (Ca₃(PO₄)₂), Water (H₂O)
#### Chemical Equation:
\[ \text{H}_3\text{PO}_4 + \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + \text{H}_2\text{O} \]
#### Balancing:
- Ca: 3 Ca atoms needed on the left.
- PO₄: 2 PO₄ groups needed on the left.
- H: 6 H atoms needed on the right.
- Multiply H₃PO₄ by 2 and Ca(OH)₂ by 3:
\[ 2 \text{H}_3\text{PO}_4 + 3 \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + 6 \text{H}_2\text{O} \]
Final Balanced Equation:
\[ 2 \text{H}_3\text{PO}_4 + 3 \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + 6 \text{H}_2\text{O} \]
---
\[
\boxed{
\begin{aligned}
1. & \quad 4 \text{Fe} + 3 \text{O}_2 \rightarrow 2 \text{Fe}_2\text{O}_3 \\
2. & \quad \text{C} + \text{O}_2 \rightarrow \text{CO}_2 \\
3. & \quad \text{CuCO}_3 \rightarrow \text{CuO} + \text{CO}_2 \\
4. & \quad 2 \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \\
5. & \quad \text{Mg} + 2 \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + 2 \text{Ag} \\
6. & \quad \text{Zn} + 2 \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \\
7. & \quad \text{Ca} + 2 \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \\
8. & \quad 2 \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + 2 \text{NH}_4\text{NO}_3 \\
9. & \quad \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + 2 \text{NH}_4\text{NO}_3 \\
10. & \quad \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + 3 \text{NaNO}_3 \\
11. & \quad \text{HBr} + \text{KOH} \rightarrow \text{KBr} + \text{H}_2\text{O} \\
12. & \quad 2 \text{H}_3\text{PO}_4 + 3 \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + 6 \text{H}_2\text{O}
\end{aligned}
}
\]
1. Identify the reactants and products from the word equation.
2. Write the chemical formulas for each substance.
3. Balance the chemical equation by ensuring the number of atoms of each element is the same on both sides of the equation.
Let's go through each problem step by step:
---
1) Iron + oxygen → Iron (III) oxide
- Reactants: Iron (Fe), Oxygen (O₂)
- Product: Iron (III) oxide (Fe₂O₃)
#### Chemical Equation:
\[ \text{Fe} + \text{O}_2 \rightarrow \text{Fe}_2\text{O}_3 \]
#### Balancing:
- Start with Fe: 2 Fe atoms needed on the left.
- Start with O: 3 O atoms needed on the left.
- Balance Fe first: \( 2 \text{Fe} \).
- Balance O: \( \frac{3}{2} \text{O}_2 \) or \( 3 \text{O}_2 \) (multiply everything by 2 to remove fractions).
Final Balanced Equation:
\[ 4 \text{Fe} + 3 \text{O}_2 \rightarrow 2 \text{Fe}_2\text{O}_3 \]
---
2) Carbon + oxygen → carbon dioxide
- Reactants: Carbon (C), Oxygen (O₂)
- Product: Carbon dioxide (CO₂)
#### Chemical Equation:
\[ \text{C} + \text{O}_2 \rightarrow \text{CO}_2 \]
#### Balancing:
- C is already balanced (1 C on both sides).
- O is already balanced (2 O on both sides).
Final Balanced Equation:
\[ \text{C} + \text{O}_2 \rightarrow \text{CO}_2 \]
---
3) Copper (II) carbonate → copper (II) oxide + carbon dioxide
- Reactant: Copper (II) carbonate (CuCO₃)
- Products: Copper (II) oxide (CuO), Carbon dioxide (CO₂)
#### Chemical Equation:
\[ \text{CuCO}_3 \rightarrow \text{CuO} + \text{CO}_2 \]
#### Balancing:
- All elements are already balanced (1 Cu, 1 C, 3 O on both sides).
Final Balanced Equation:
\[ \text{CuCO}_3 \rightarrow \text{CuO} + \text{CO}_2 \]
---
4) Lithium hydrogen carbonate → lithium carbonate + water + carbon dioxide
- Reactant: Lithium hydrogen carbonate (LiHCO₃)
- Products: Lithium carbonate (Li₂CO₃), Water (H₂O), Carbon dioxide (CO₂)
#### Chemical Equation:
\[ \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \]
#### Balancing:
- Li: 2 Li atoms needed on the left.
- H: 2 H atoms needed on the left.
- C: Already balanced (1 C on both sides).
- O: 6 O atoms needed on the left.
Multiply LiHCO₃ by 2:
\[ 2 \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \]
Final Balanced Equation:
\[ 2 \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \]
---
5) Magnesium + silver acetate → magnesium acetate + silver
- Reactants: Magnesium (Mg), Silver acetate (AgC₂H₃O₂)
- Products: Magnesium acetate (Mg(C₂H₃O₂)₂), Silver (Ag)
#### Chemical Equation:
\[ \text{Mg} + \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + \text{Ag} \]
#### Balancing:
- Mg: 2 Mg atoms needed on the right.
- Ag: 2 Ag atoms needed on the left.
- Multiply AgC₂H₃O₂ by 2:
\[ \text{Mg} + 2 \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + 2 \text{Ag} \]
Final Balanced Equation:
\[ \text{Mg} + 2 \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + 2 \text{Ag} \]
---
6) Zinc + hydrochloric acid → zinc chloride + hydrogen
- Reactants: Zinc (Zn), Hydrochloric acid (HCl)
- Products: Zinc chloride (ZnCl₂), Hydrogen (H₂)
#### Chemical Equation:
\[ \text{Zn} + \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \]
#### Balancing:
- Zn: Already balanced (1 Zn on both sides).
- Cl: 2 Cl atoms needed on the left.
- H: 2 H atoms needed on the right.
Multiply HCl by 2:
\[ \text{Zn} + 2 \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \]
Final Balanced Equation:
\[ \text{Zn} + 2 \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \]
---
7) Calcium + water → calcium hydroxide + hydrogen
- Reactants: Calcium (Ca), Water (H₂O)
- Products: Calcium hydroxide (Ca(OH)₂), Hydrogen (H₂)
#### Chemical Equation:
\[ \text{Ca} + \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \]
#### Balancing:
- Ca: Already balanced (1 Ca on both sides).
- H: 2 H atoms needed on the left.
- O: 2 O atoms needed on the left.
Multiply H₂O by 2:
\[ \text{Ca} + 2 \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \]
Final Balanced Equation:
\[ \text{Ca} + 2 \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \]
---
8) Silver nitrate + ammonium carbonate → silver carbonate + ammonium nitrate
- Reactants: Silver nitrate (AgNO₃), Ammonium carbonate ((NH₄)₂CO₃)
- Products: Silver carbonate (Ag₂CO₃), Ammonium nitrate (NH₄NO₃)
#### Chemical Equation:
\[ \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + \text{NH}_4\text{NO}_3 \]
#### Balancing:
- Ag: 2 Ag atoms needed on the left.
- NH₄: 2 NH₄ groups needed on the right.
- Multiply AgNO₃ by 2:
\[ 2 \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + 2 \text{NH}_4\text{NO}_3 \]
Final Balanced Equation:
\[ 2 \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + 2 \text{NH}_4\text{NO}_3 \]
---
9) Copper (II) nitrate + ammonium carbonate → copper (II) carbonate + ammonium nitrate
- Reactants: Copper (II) nitrate (Cu(NO₃)₂), Ammonium carbonate ((NH₄)₂CO₃)
- Products: Copper (II) carbonate (CuCO₃), Ammonium nitrate (NH₄NO₃)
#### Chemical Equation:
\[ \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + \text{NH}_4\text{NO}_3 \]
#### Balancing:
- Cu: Already balanced (1 Cu on both sides).
- NH₄: 2 NH₄ groups needed on the right.
- Multiply NH₄NO₃ by 2:
\[ \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + 2 \text{NH}_4\text{NO}_3 \]
Final Balanced Equation:
\[ \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + 2 \text{NH}_4\text{NO}_3 \]
---
10) Aluminum nitrate + sodium phosphate → aluminum phosphate + sodium nitrate
- Reactants: Aluminum nitrate (Al(NO₃)₃), Sodium phosphate (Na₃PO₄)
- Products: Aluminum phosphate (AlPO₄), Sodium nitrate (NaNO₃)
#### Chemical Equation:
\[ \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + \text{NaNO}_3 \]
#### Balancing:
- Al: Already balanced (1 Al on both sides).
- Na: 3 Na atoms needed on the right.
- PO₄: 1 PO₄ group needed on the left.
- Multiply NaNO₃ by 3:
\[ \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + 3 \text{NaNO}_3 \]
Final Balanced Equation:
\[ \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + 3 \text{NaNO}_3 \]
---
11) Hydrobromic acid + potassium hydroxide → potassium bromide + water
- Reactants: Hydrobromic acid (HBr), Potassium hydroxide (KOH)
- Products: Potassium bromide (KBr), Water (H₂O)
#### Chemical Equation:
\[ \text{HBr} + \text{KOH} \rightarrow \text{KBr} + \text{H}_2\text{O} \]
#### Balancing:
- All elements are already balanced (1 H, 1 Br, 1 K, 1 O on both sides).
Final Balanced Equation:
\[ \text{HBr} + \text{KOH} \rightarrow \text{KBr} + \text{H}_2\text{O} \]
---
12) Phosphoric acid + calcium hydroxide → calcium phosphate + water
- Reactants: Phosphoric acid (H₃PO₄), Calcium hydroxide (Ca(OH)₂)
- Products: Calcium phosphate (Ca₃(PO₄)₂), Water (H₂O)
#### Chemical Equation:
\[ \text{H}_3\text{PO}_4 + \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + \text{H}_2\text{O} \]
#### Balancing:
- Ca: 3 Ca atoms needed on the left.
- PO₄: 2 PO₄ groups needed on the left.
- H: 6 H atoms needed on the right.
- Multiply H₃PO₄ by 2 and Ca(OH)₂ by 3:
\[ 2 \text{H}_3\text{PO}_4 + 3 \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + 6 \text{H}_2\text{O} \]
Final Balanced Equation:
\[ 2 \text{H}_3\text{PO}_4 + 3 \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + 6 \text{H}_2\text{O} \]
---
Final Answer:
\[
\boxed{
\begin{aligned}
1. & \quad 4 \text{Fe} + 3 \text{O}_2 \rightarrow 2 \text{Fe}_2\text{O}_3 \\
2. & \quad \text{C} + \text{O}_2 \rightarrow \text{CO}_2 \\
3. & \quad \text{CuCO}_3 \rightarrow \text{CuO} + \text{CO}_2 \\
4. & \quad 2 \text{LiHCO}_3 \rightarrow \text{Li}_2\text{CO}_3 + \text{H}_2\text{O} + \text{CO}_2 \\
5. & \quad \text{Mg} + 2 \text{AgC}_2\text{H}_3\text{O}_2 \rightarrow \text{Mg(C}_2\text{H}_3\text{O}_2)_2 + 2 \text{Ag} \\
6. & \quad \text{Zn} + 2 \text{HCl} \rightarrow \text{ZnCl}_2 + \text{H}_2 \\
7. & \quad \text{Ca} + 2 \text{H}_2\text{O} \rightarrow \text{Ca(OH)}_2 + \text{H}_2 \\
8. & \quad 2 \text{AgNO}_3 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{Ag}_2\text{CO}_3 + 2 \text{NH}_4\text{NO}_3 \\
9. & \quad \text{Cu(NO}_3)_2 + (\text{NH}_4)_2\text{CO}_3 \rightarrow \text{CuCO}_3 + 2 \text{NH}_4\text{NO}_3 \\
10. & \quad \text{Al(NO}_3)_3 + \text{Na}_3\text{PO}_4 \rightarrow \text{AlPO}_4 + 3 \text{NaNO}_3 \\
11. & \quad \text{HBr} + \text{KOH} \rightarrow \text{KBr} + \text{H}_2\text{O} \\
12. & \quad 2 \text{H}_3\text{PO}_4 + 3 \text{Ca(OH)}_2 \rightarrow \text{Ca}_3(\text{PO}_4)_2 + 6 \text{H}_2\text{O}
\end{aligned}
}
\]
Parent Tip: Review the logic above to help your child master the concept of balancing word equations worksheet.
![49 Balancing Chemical Equations Worksheets [with Answers]](/images2/balancing-word-equations-worksheet/balancing-word-equations-worksheet-39.jpg)