Question

Balancing Chemical Equations.

1.
____ CaS +____ H2O ----> ____ Ca(HS)^2 + ____ Ca(OH)^2

2. ____ Au^2S^3 + _____ H2 ----> _____ Au + ____ H2S

Answer 1

1. 2CaS + 2H2O --> Ca(HS)^2 + Ca(OH)^2

2. Au^2S^3 + 3H2 --> 2Au + 3H2S