Question

2. Скласти рівняння хімічних реакцій за поданими схемами, назвати продукти 1) Mg + F, 9; 5) HCl + CaCO3 +; 2) Al + S ->; 6) NH3 + HSO4 ; 3) S+ 0, 9; 7) Al + HCl -5; 4) Na + Cl2»; 8) NO, + НО».​

Answer 1

1) Mg + F, 9; 5) HCI +CaCO3 +; 2) AI + S->; 6) NH3 + HSO4; 3) S+ 0, 9; 7) Al + HCI-5; 4) Na + C12»; 8) NO, + HO>>.

Answer 2

Chemical Equations and Products

1) Mg + F2 → MgF2 - The chemical equation for this reaction is: Mg + F2 → MgF2. - The products of this reaction are magnesium fluoride (MgF2).

2) HCl + CaCO3 → CaCl2 + CO2 + H2O - The chemical equation for this reaction is: HCl + CaCO3 → CaCl2 + CO2 + H2O. - The products of this reaction are calcium chloride (CaCl2), carbon dioxide (CO2), and water (H2O).

3) S8 + 9O2 → 8SO2 - The chemical equation for this reaction is: S8 + 9O2 → 8SO2. - The products of this reaction are sulfur dioxide (SO2).

4) 2Al + 3S → Al2S3 - The chemical equation for this reaction is: 2Al + 3S → Al2S3. - The products of this reaction are aluminum sulfide (Al2S3).

5) 2NH3 + H2SO4 → (NH4)2SO4 - The chemical equation for this reaction is: 2NH3 + H2SO4 → (NH4)2SO4. - The products of this reaction are ammonium sulfate ((NH4)2SO4).

6) 3S + 9O2 → 3SO3 - The chemical equation for this reaction is: 3S + 9O2 → 3SO3. - The products of this reaction are sulfur trioxide (SO3).

7) 2Al + 6HCl → 2AlCl3 + 3H2 - The chemical equation for this reaction is: 2Al + 6HCl → 2AlCl3 + 3H2. - The products of this reaction are aluminum chloride (AlCl3) and hydrogen gas (H2).

8) 2NO2 + H2O → HNO3 + HNO2 - The chemical equation for this reaction is: 2NO2 + H2O → HNO3 + HNO2. - The products of this reaction are nitric acid (HNO3) and nitrous acid (HNO2).

Please note that the above equations are balanced chemical equations, representing the reactants and products in a chemical reaction.