Chemistry, 17.07.2019 23:30, 130005401

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answer and explain!
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 →
2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl →
3. electrolysis (splitting) of water. h2o →
4. burning magnesium. mg + o2 →

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answered: rscott400

1. 2Fe + 3CuSO₄ → Fe₂(SO₄)₃ + 3Cu.

2. Pb(NO₃)₂+ 2Kl → PbI₂ + 2KNO₃.

3. Mg + 2HCl → MgCl₂ + H₂.

4. H₂O → H₂ + 1/2O₂.

5. 2Mg + O₂ → 2MgO.

explanation: 1.Combine iron and copper (II) sulfate solution. (Hint: Iron will form the iron (III) ion)

2Fe + 3CuSO₄ → Fe₂(SO₄)₃ + 3Cu.

It is a redox reaction including replacing Cu with Fe and changing their oxidation states.

That Fe replaces Cu and resulting in ferric sulfate.

2.Combine lead (II) nitrate and potassium iodide solutions.

Pb(NO₃)₂+ 2Kl → PbI₂ + 2KNO₃.

It is a double replacement reaction that lead nitrate reacts with potassium iodide resulting in lead iodide and potassium nitrate.

3.Combine magnesium metal and hydrochloric acid solution.

Mg + 2HCl → MgCl₂ + H₂.

It is a dissolution reaction that HCl dissolve Mg and resulting in Magnesium chloride and hydrogen gas is evolved.

4.Electrolysis (splitting) of water.

H₂O → H₂ + 1/2O₂.

Water electrolysis resulting in splitting of water to produce hydrogen and water.

5.Burning magnesium.

2Mg + O₂ → 2MgO.

It is a combustion reaction that Mg is burned with oxygen to produce magnesium oxide.

Explanation:1.Combine iron and copper (II) sulfate solution. (Hint: Iron will form the iron (III) ion)

2Fe + 3CuSO₄ → Fe₂(SO₄)₃ + 3Cu.

It is a redox reaction including replacing Cu with Fe and changing their oxidation states.

That Fe replaces Cu and resulting in ferric sulfate.

2.Combine lead (II) nitrate and potassium iodide solutions.

Pb(NO₃)₂+ 2Kl → PbI₂ + 2KNO₃.

It is a double replacement reaction that lead nitrate reacts with potassium iodide resulting in lead iodide and potassium nitrate.

3.Combine magnesium metal and hydrochloric acid solution.

Mg + 2HCl → MgCl₂ + H₂.

It is a dissolution reaction that HCl dissolve Mg and resulting in Magnesium chloride and hydrogen gas is evolved.

4.Electrolysis (splitting) of water.

H₂O → H₂ + 1/2O₂.

Water electrolysis resulting in splitting of water to produce hydrogen and water.

5.Burning magnesium.

2Mg + O₂ → 2MgO.

It is a combustion reaction that Mg is burned with oxygen to produce magnesium oxide.

answered: Guest

You need to divided twenty four by a dozen them by the temperature it is getting cook by

answered: Guest

explanation:

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1. combine iron and coppe...