Tuesday, February 10, 2009

Answers to Selected Questions from "Writing Chemical Equations"

1. 2Cu + O2 → 2CuO

3. (NH4)2CO3 → 2NH3 + CO2(g) + H2O

5. Ca + 2H2O → Ca(OH)2 + H2

7. 4Cu + O2 → 2Cu2O