Question

2.Закончите уравнения следующих реакций Mg + HCl → Mg + FeCl2→ Ca + H2O → CaO + H2SO4 → ZnO + HNO3 →

Answer 1

Mg + 2HCl → MgCl2 + H2↑
Mg+FeCl2 → MgCl2 + Fe
Ca+H2O→CaOH + H2↑
CaO+H2SO4 → CaSO4 + H2O
ZnO+HNO3 → Zn(NO3)2 + H2O

Answer 2

Mg+2HCl=MgCl2+H2
Mg+FeCl2=MgCl2+Fe
Ca+2H20=Ca(OH)2+H2
CaO+H2SO4=CaSO4+H20

Answer 3

Reaction 1: Mg + HCl → MgCl2 + H2

The reaction between magnesium (Mg) and hydrochloric acid (HCl) produces magnesium chloride (MgCl2) and hydrogen gas (H2) as products. The balanced chemical equation for this reaction is:

Mg + 2HCl → MgCl2 + H2

Reaction 2: Mg + FeCl2 → MgCl2 + Fe

The reaction between magnesium (Mg) and iron(II) chloride (FeCl2) produces magnesium chloride (MgCl2) and iron (Fe) as products. The balanced chemical equation for this reaction is:

Mg + FeCl2 → MgCl2 + Fe

Reaction 3: Ca + H2O → Ca(OH)2 + H2

The reaction between calcium (Ca) and water (H2O) produces calcium hydroxide (Ca(OH)2) and hydrogen gas (H2) as products. The balanced chemical equation for this reaction is:

Ca + 2H2O → Ca(OH)2 + H2

Reaction 4: CaO + H2SO4 → CaSO4 + H2O

The reaction between calcium oxide (CaO) and sulfuric acid (H2SO4) produces calcium sulfate (CaSO4) and water (H2O) as products. The balanced chemical equation for this reaction is:

CaO + H2SO4 → CaSO4 + H2O

Reaction 5: ZnO + HNO3 → Zn(NO3)2 + H2O

The reaction between zinc oxide (ZnO) and nitric acid (HNO3) produces zinc nitrate (Zn(NO3)2) and water (H2O) as products. The balanced chemical equation for this reaction is:

ZnO + 2HNO3 → Zn(NO3)2 + H2O Please note that the provided balanced chemical equations are based on the information from the search result snippet.