1. 1. For the chemical equation N₂ + 3H₂ → 2NH₃, indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

Tags

NGSS.MS-PS1-5

2. For the chemical equation C₃H₈ + 5O₂ → 3CO₂ + 4H₂O,

indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

Tags

NGSS.MS-PS1-5

4. 3. For the chemical equation H₂ + Cl₂ → HCl,

5. indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

Tags

NGSS.MS-PS1-5

4. 4. For the chemical equation Fe₂O₃ + 3CO → 2Fe + 3CO₂,

indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

Tags

NGSS.MS-PS1-5

5. 5. For the chemical equation AgNO₃ + NaCl → AgCl + NaNO₃,

indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

Tags

NGSS.MS-PS1-5

6. 6. CH₄ + 2O₂ → CO₂ + 2H₂O, indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

7. chemical equation CaCO₃ → CaO + CO₂, indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

8. the chemical equation 2H₂O → 2H₂ + O₂, indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

9. the chemical equation Zn + 2HCl → ZnCl₂ + H₂, indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)

10. For the chemical equation Al₂O₃ → Al + O₂, indicate whether it is Balanced (B) or Unbalanced (U).

• Balanced (B)

• Unbalanced (U)