Question

Completati ecuatiile reactiilor :
a)C+O2(exces)⇒ ?+Q
b)C+O2(insuficienta)⇒?+Q
c)Fe2O3+C⇒?+?-Q
d)FeO+CO⇒?+?
e)C+H2⇒?+Q
f)CO2+O2⇒?+Q

Answer 1

C+O2---> CO2        (C are  valenta IV)
C+  1/2O2----->CO  (C are valenta II)
2Fe2O3 +3C---> 4Fe+3CO2
FeO+CO---> Fe + CO2
C+ 2H2---> CH4
Nu are loc