April 2020 1 113 Report
Classifique as seguintes equações químicas:
a) CaCO3 → CaO + CO2
b) NaCl + NH4HCO3 → NaHCO3 + NH4Cl
c) Fe + 2HCl → FeCl2 + H2
d) CO2 + H2O + NH3 NH4HCO3










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