posted by sec 8.1 .
Write word equations for the following chemical reactions.
a. Pure copper can be produced by heating copper(II) sulfide in the
presence of diatomic oxygen from the air. Sulfur dioxide gas is also
produced in this reaction.
b. Water is formed by the explosive reaction between hydrogen gas
and oxygen gas.
c. When baking soda (sodium hydrogen carbonate) is heated, it decomposes,
forming the products sodium carbonate, carbon dioxide,