Question

Ca S+ Cu Cl2 →дам 20​

Answer 1

CaS+CuCl2=CaCl2+CuS
удачи!

Answer 2

The chemical equation you've provided appears to be incomplete or unclear. It seems like you want to describe a chemical reaction involving calcium (Ca), sulfur (S), copper (Cu), and chlorine (Cl2), but there's not enough information to understand the reaction fully.

Chemical reactions are typically written in a more specific and balanced format. If you could provide more details about the substances involved and their quantities, I'd be happy to help you balance the equation and explain the reaction.