Can some one write word equation and skeleton equation for these pleaese 1. Calcium hydrogen carbonate reacts with hydrobromic acid to produce calcium bromide, water, and carbon dioxide.

2. during combustion, benzene (C6H6) and oxygen gas react to produce carbon dioxide and water.

3. at high temperatures , a reaction between silicon tetrachloride and silicon produces disilicon hydrochloride (hexa-means six,)