а. 4Li + O2= 2Li2O
Li2O+ H2O= 2LiOHб. 2Mg+O2=2MgO
MgO + 2HNO3 = Mg(NO3)2 + H2Oв.S--SO2--Na2SO3--SO2
S+O2=SO2г) C+O2(t)=CO2BaCO3 + O2 = Bao + CO2
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а.
4Li + O2= 2Li2O
Li2O+ H2O= 2LiOH
б.
2Mg+O2=2MgO
MgO + 2HNO3 = Mg(NO3)2 + H2O
в.
S--SO2--Na2SO3--SO2
S+O2=SO2
г)
C+O2(t)=CO2
BaCO3 + O2 = Bao + CO2