Students sometimes use HNO3 (aq) instead of H2SO4 (aq) in reaction E, Step 4, assuming that...
Students sometimes use HNO3 (aq) instead of H2SO4 (aq) in reaction E, Step 4, assuming that both strong acids will accomplish the same purpose. Briefly describe the consequences of this error.
Reaction E: magnesium metal acts as a reducing agent to convert the aqueous copper (II) sulfate to pure (reduced) copper metal, Cu:
CuSO4 (aq) + Mg(s) = Cu(s) + MgSO4 (aq)
In a competing reaction, magnesium also reduces sulfuric acid, with formation of hydrogen gas and aqueous magnesium sulfate:
Mg(s) + H2SO4 (aq) = H2 (g) + MgSO4 (aq)
Homework Answers
Answer: HNO3 acts both as oxidising agent as well as strong acid. Thus, during the reaction of Mg with HNO3 , the H2 gas is not liberated because nitric acid oxidises the hydrogen gas to H2O and itself gets reduced.
4 Mg(aq) + 10 HNO3(aq) → 4 Mg(NO3)2 (aq) + N2O + 5H2O
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Students sometimes use HNO3 (aq) instead of H2SO4 (aq) in
reaction E, Step 4, assuming that...
. CuO(s) + H2SO4(aq) à C...
. CuO(s) + H2SO4(aq) à CuSO4(aq) + H2O(l) _____________ equation CuO(s) + 2H+ + SO4-2(aq) à Cu+2(aq) + SO4-2(aq) + H2O(l) _____________ equation CuO(s) + 2H+(aq) à Cu+2(aq) + H2O(l) _____________ equation Reaction type_______________ What advantage(s) is/are there to the various versions of the reaction equation? __________________________________________________________________________________ __________________________________________________________________________________ __________________________________________________________________________________ In the final step, the copper metal is regenerated by reacting the copper (II) ion and magnesium metal. Cu SO4(aq) + Mg(s) à Cu(s)+ MgSO4(aq) _____________ equation Cu+2(aq) + SO4-2(aq) +...
4. Reaction of magnesium metal with aqueous hydrochloric acid Observations: Reaction Type: Oxidation States of atoms...
4. Reaction of magnesium metal with aqueous hydrochloric acid Observations: Reaction Type: Oxidation States of atoms in reactants Oxidation states of atoms in products Mg - H- - - Mg - H -. Balanced Reaction: (including states) Substance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred 5. Reaction of copper metal with aqueous magnesium sulfate Observations: Reaction Type: Balanced Reaction: (including states) Substance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred 6. Reaction of...
One way in whith the useful metal copper is produced is by dissolving the mineral azurite,...
One way in whith the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(Il) carbonate, in concentrated sulfuric acid. The sulfuric acd reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq) Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant...
Double Replacement potassium carbonate (aq) + silver nitrate (aq) → potassium nitrate (aq) + silver carbonate...
Double Replacement potassium carbonate (aq) + silver nitrate (aq) → potassium nitrate (aq) + silver carbonate (s) K2CO3(aq) + AgNO, (ag) - potassium carbonate (aq) + copper (II) nitrate (aq) potassium nitrate (aq) + copper (II) carbonate (8) K,CO, (aq) + _Cu(NO, ),(aq) potassium carbonate (aq) + aluminum nitrate (aq) + potassium nitrate (aq) + aluminum carbonate (3) K.CO; (aq) + _Al(NO3) (aq) - sodium phosphate (aq) + silver nitrate (aq) sodium nitrate (aq) + silver phosphate (8) Na, PO...
One way in which the useful metal copper is produced is by dissolving the mineral azurite,...
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) + Cu(s) + FeSO4(aq) Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant...
One way in which the useful metal copper is produced is by dissolving the mineral azurite,...
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) + Cu(s) + FeSO4(aq) Suppose an industrial quality control chemist analyzes a sample from a copper processing...
how to balance redox reaction equation i need to know what the oxidizibg agent and reducing...
how
to balance redox reaction equation
i
need to know what the oxidizibg agent and reducing agent are for
these
Reactants Products Observations Fe sou Mg So, e CuSO4 Zn FeSO4 | ZnSO4 | Zn soy No reaction Slow Bubbles light yellow I color charge (c | Fizzing No reaction 114 504 MgSO4 it sou Fe Feso 4 Hb so Fizzing Zn soy No reaction Fizzing Ibubbi No reaction ZnSO4 Mg Sot O Naso Cu Na Sou Mg uso4 Fe...
= O STOICHIOMETRY Solving for a reactant in solution One way in which the useful metal...
= O STOICHIOMETRY Solving for a reactant in solution One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) + Cu(s) + FeSO4(aq) Suppose an industrial quality-control...
QUESTION 13 When 2 mL of 0.1 M aqueous HCI (hydrochloric acid) are added to a...
QUESTION 13 When 2 mL of 0.1 M aqueous HCI (hydrochloric acid) are added to a small strip of magnesium (Mg) what happens? A violent explosion O Nothing Bubbles of hydrogen are produced and the magnesium dissolves O The magnesium turns red and the solution goes yellow QUESTION 14 1 poi Which is the balanced chemical equation describing the reaction of question 13? O Mg(aq) + HCl(aq) → MgCl(s) + H(g) O Mg(s) + HCl(aq) - MgCl (aq) + H2(g)....
O STOICHIOMETRY Solving for a reactant in solution Kaila - One way in which the useful...
O STOICHIOMETRY Solving for a reactant in solution Kaila - One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq) Suppose an industrial...
4. Reaction of magnesium metal with aqueous hydrochloric acid Observations: Reaction Type: Oxidation States of atoms in reactants Oxidation states of atoms in products Mg - H- - - Mg - H -. Balanced Reaction: (including states) Substance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred 5. Reaction of copper metal with aqueous magnesium sulfate Observations: Reaction Type: Balanced Reaction: (including states) Substance Oxidized? Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred 6. Reaction of...
One way in whith the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(Il) carbonate, in concentrated sulfuric acid. The sulfuric acd reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq) Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant...
Double Replacement potassium carbonate (aq) + silver nitrate (aq) → potassium nitrate (aq) + silver carbonate (s) K2CO3(aq) + AgNO, (ag) - potassium carbonate (aq) + copper (II) nitrate (aq) potassium nitrate (aq) + copper (II) carbonate (8) K,CO, (aq) + _Cu(NO, ),(aq) potassium carbonate (aq) + aluminum nitrate (aq) + potassium nitrate (aq) + aluminum carbonate (3) K.CO; (aq) + _Al(NO3) (aq) - sodium phosphate (aq) + silver nitrate (aq) sodium nitrate (aq) + silver phosphate (8) Na, PO...
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) + Cu(s) + FeSO4(aq) Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant...
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) + Cu(s) + FeSO4(aq) Suppose an industrial quality control chemist analyzes a sample from a copper processing...
how
to balance redox reaction equation
i
need to know what the oxidizibg agent and reducing agent are for
these
Reactants Products Observations Fe sou Mg So, e CuSO4 Zn FeSO4 | ZnSO4 | Zn soy No reaction Slow Bubbles light yellow I color charge (c | Fizzing No reaction 114 504 MgSO4 it sou Fe Feso 4 Hb so Fizzing Zn soy No reaction Fizzing Ibubbi No reaction ZnSO4 Mg Sot O Naso Cu Na Sou Mg uso4 Fe...
= O STOICHIOMETRY Solving for a reactant in solution One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) + Cu(s) + FeSO4(aq) Suppose an industrial quality-control...
QUESTION 13 When 2 mL of 0.1 M aqueous HCI (hydrochloric acid) are added to a small strip of magnesium (Mg) what happens? A violent explosion O Nothing Bubbles of hydrogen are produced and the magnesium dissolves O The magnesium turns red and the solution goes yellow QUESTION 14 1 poi Which is the balanced chemical equation describing the reaction of question 13? O Mg(aq) + HCl(aq) → MgCl(s) + H(g) O Mg(s) + HCl(aq) - MgCl (aq) + H2(g)....
O STOICHIOMETRY Solving for a reactant in solution Kaila - One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq) Suppose an industrial...
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