1.

Some chemical equations are given.C + O2 → CO2CH4 + 2O2 → CO2 + 2H2ON2 + O2 → NOCaCO3 → CaO + CO2H2 + I2 → HIFe + HCl → FeCl2 + H2CO2 + C → COa. Which of these are balanced chemical equations?b. Balance those equations which are not balanced.

Answer»

a. C + O2 → CO2

CH4 + 2O2 → CO2 + 2H2O

CaCO3 → CaO + CO2

b. N2 + O2 → 2NO

H2 + I2 → 2Hl

Fe + HCl → FeCl2 + H2

CO2 + C → 2CO



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