Question

Co2+c=? ............​

Answer 1

Образование ядовитого оксида углерода (2) Со.

Кислород выступает в роли окислителя, углерод - восстановителя

Реакция обратимая, используется в промышленности

Answer 2

The chemical formula "CO2" represents carbon dioxide, which is a molecule composed of one carbon (C) atom and two oxygen (O) atoms. The "+c" part you've added doesn't seem to be a standard chemical notation. If you have a specific chemical reaction or context in mind, please provide more information, and I'll do my best to assist you.