Question

Pentru ecuatiile reactiilor de combinare de mai jos identifica substantelor a, b, c, d si stabileste coeficientii:
Ca + O2 -> a
a + H2O -> b
CO2 + H2O -> c
NH3 + c -> d

Answer 1

2Ca+O2---->2CaO

CaO+H2O---->Ca(OH)2

CO2+H2O----->H2CO3

2NH3+H2CO3--->(NH4)2CO3