Question

ТЭД Co-CoO-Co(NO3)2-Co(OH)2-CoO-Co
Срочно!

Answer 1

Ответ:

Объяснение:

Co→CoO→Co(NO₃)₂→Co(OH)₂→CoO→Co

2Co+O₂=2CoO

CoO+2HNO₃=Co(NO₃)₂+H₂O

Co(NO₃)₂+2NaOH=Co(OH)₂↓+2NaNO₃

Co(OH)₂+t°C=CoO+H₂O

CoO+H₂=Co+H₂O