Question

А) HCl - H, - H,0 - 0 - CuO - Cu​

Answer 1

Ответ:

https://youtu.be/3q_lDAmohrg

Объяснение:

короче в ютубе объяснение

Answer 2

Ответ:

1) 2HCl+Ba-->BaCl2+H2

2) 2H2+O2--->2H2O

3) 2H2O+2Cl2-->4HCl+O2

4) O2+2Cu-->t°2CuO

5) 2CuO-->t°2Cu+O2

Answer 3

It seems like you've provided a sequence of chemical symbols, but it's not entirely clear what you're asking or stating. If you could provide more context or clarify your question, I would be happy to help. Are you looking for information about these compounds or their reactions? Let me know how I can assist you better.