Answer:
F. a dark solid formed on the zinc.
-Is because when the solid is formed it is called the "precipitate", which is commonly know as chemical reaction.
Answer:
The empirical formula for this compound is thus CH2.
Explanation:
Fossil fuel combustion increases the acidity of rain because the sulfur dioxide is produced.
Because of fuel combustion, sulfur dioxide goes up into the atmosphere as the hot gases rise, than it reacts with water and oxygen in the air and form sulfuric <span>acid:
</span>Balanced chemical reaction: SO₂(g) + 2O₂(g) + 2H₂O → 2H₂SO₄.
