Question

Помогите пожалуйста ХИМИЯ Написать реакции замещения 1) Ba+AgNO3 2) Cu(NO3)2+Na 3) Pb(NO3)2+K 4) Mg+K2SO4 5) HNO3+Zn 6)Ca(NO3)2+H2 7) Ba+Na2SO4

Answer 1

Ответ:

1) Ba + 2AgNO₃ = Ba(NO₃)₂ + 2Ag

2) Cu(NO₃)₂+ 2Na = 2NaNO₃ + Cu

3) Pb(NO₃)₂+ 2K = 2KNO₃ + Pb

4) Mg + K₂SO₄ = \\\

5) Zn + 4HNO₃конц = Zn(NO₃)₂ + 2NO₂ + 2H₂O

6)Ca(NO₃)₂+ H₂ \\\

7) Ba + Na₂SO₄ = 2Na + BaSO₄

Answer 2

Chemical Reactions

Sure, I'd be happy to help with your chemistry questions! Let's go through each of the reactions step by step.

1. Ba + AgNO3: - The reaction between barium (Ba) and silver nitrate (AgNO3) will produce barium nitrate (Ba(NO3)2) and silver (Ag) as a precipitate. - The balanced chemical equation for this reaction is: ``` Ba + 2AgNO3 -> Ba(NO3)2 + 2Ag ```

2. Cu(NO3)2 + 2Na: - When copper(II) nitrate (Cu(NO3)2) reacts with sodium (Na), it forms copper(II) oxide (CuO), nitrogen dioxide (NO2), and sodium nitrate (NaNO3). - The balanced chemical equation for this reaction is: ``` 2Cu(NO3)2 + 4Na -> 2CuO + 4NO2 + 4NaNO3 ```

3. Pb(NO3)2 + 2K: - The reaction between lead(II) nitrate (Pb(NO3)2) and potassium (K) will produce lead(II) oxide (PbO) and potassium nitrate (KNO3). - The balanced chemical equation for this reaction is: ``` Pb(NO3)2 + 2K -> PbO + 2KNO3 ```

4. Mg + K2SO4: - When magnesium (Mg) reacts with potassium sulfate (K2SO4), it forms magnesium sulfate (MgSO4) and potassium (K). - The balanced chemical equation for this reaction is: ``` Mg + K2SO4 -> MgSO4 + 2K ```

5. HNO3 + Zn: - Nitric acid (HNO3) reacts with zinc (Zn) to produce zinc nitrate (Zn(NO3)2) and hydrogen gas (H2). - The balanced chemical equation for this reaction is: ``` 4HNO3 + Zn -> Zn(NO3)2 + 2NO2 + 2H2O ```

6. Ca(NO3)2 + H2: - The reaction between calcium nitrate (Ca(NO3)2) and hydrogen (H2) will produce calcium oxide (CaO), nitrogen dioxide (NO2), and water (H2O). - The balanced chemical equation for this reaction is: ``` Ca(NO3)2 + H2 -> CaO + 2NO2 + H2O ```

7. Ba + Na2SO4: - When barium (Ba) reacts with sodium sulfate (Na2SO4), it forms barium sulfate (BaSO4) and sodium (Na). - The balanced chemical equation for this reaction is: ``` Ba + Na2SO4 -> BaSO4 + 2Na ```

I hope this helps! Let me know if you have any other questions about chemistry.