Writing and Balancing Formula Equations – Flashcards
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sulfur (S₈) + oxygen → sulfur dioxide
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S₈ + 8 O₂ → 8 SO₂
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zinc + sulfuric acid (H₂SO₄) → zinc sulfate + hydrogen
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Zn + H₂SO₄ → ZnSO₄ + H₂
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hydrogen + nitrogen → ammonia (NH₃)
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3 H₂ + N₂ → 2 NH₃
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hydrogen + chlorine → hydrogen chloride (HCl)
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H₂ + Cl₂ → 2 HCl
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carbon + water → carbon monoxide + hydrogen
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C + H₂O → CO + H₂
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calcium oxide + water → calcium hydroxide
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CaO + H₂O → Ca(OH)₂
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phosphorus (P₄) + oxygen → diphosphorus pentoxide
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P₄ + 5 O₂ → 2 P₂O₅
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hydrochloric acid (HCl) + sodium hydroxide → sodium chloride + water
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HCl + NaOH → NaCl + H₂O
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barium chloride + sulfuric acid (H₂SO₄) → barium sulfate + hydrochloric acid (HCl)
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BaCl₂ + H₂SO₄ → BaSO₄ + 2 HCl
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aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate
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Al₂(SO₄)₃ + 3 Ca(OH)₂ → 2 Al(OH)₃ + 3 CaSO₄
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ethane (C₂H₆) + oxygen → carbon dioxide + water
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2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O
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aluminum oxide → aluminum + oxygen
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2 Al₂O₃ → 4 Al + 3 O₂
