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a fost răspuns

Stabiliti si scrieti coeficientii pentru urmatoarele ecuatii chimice:
a)Al+O2--->Al2O3
b)Ca+O2-->CaO
c)Li+O2--->Li2O
d)N2+O2--->NO
e)P+O2--->P2O5
f)SO2+O2--->SO3
g)NO+O2--->NO2
h)Na2O+H2O--->NaOH
i)Al(OH)3--->Al2O3+H2O

Răspuns :

Morwanneg
a)4Al+3O2--->2Al2O3
b)2Ca+O2-->2CaO
c)4Li+O2--->2Li2O
d)N2+O2--->2NO
e)4P+5O2--->2P2O5
f)SO2+2O2--->2SO3
g)2NO+O2--->2NO2
h)Na2O+H2O--->2NaOH
i)2Al(OH)3--->Al2O3+3H2O

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