Acid Rain and Chemistry

1. How does acid rain form?.

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2. What are the different chemical equations for acid rain?

Carbon dioxide and water react to form carbonic acid.
CO_2(g) + H₂O_(l) → H₂CO_3(aq)

Nitrogen dioxide and water react to form nitrous acid and nitric acid.
2NO_2(g) + H₂O_(l) → HNO_2(aq) + HNO_3(aq)

Sulfur dioxide and water react to form sulfurous acid.

SO₂(g) + H₂O(l) → H₂SO₃(aq)

Sulfur trioxide and water react to form sulfric acid.

SO₃(g) + H₂O(l) → H₂SO₄(aq)

3. What are some chemical properties of acid rain?

4. What are some physical properties of acid rain?

• Colourless
• Odourless
• Tasteless
• Soluble