Question

Va rooog rapiiid acord coroana la primul raspuns ( dar sa fie si corect)

Answer 1

1/.

2Ca + O2 => 2CaO

2Na + Cl2 => 2NaCl

2H2 + O2 => 2H2O

SO3 + H2O => H2SO4

4Al + 3O2 => 2Al2O3

CO2 + H2O => H2CO3

K + O2 => 2K2O

NH3 + HCl => NH4Cl

N2 + 3H2 => 2NH3

2/.

H2 + Cl2 => 2HCl

C + O2 => CO2

CaO + H2O => Ca(OH)2

SO2 + H2O => H2SO3

C + 2H2 => CH4

3Cl2 + 2Al => 2AlCl3

K2O + H2O => 2KOH

O2 + S => SO2

2Fe + 3Cl2 => 2FeCl3

2CO + O2 => 2CO2