Consider a reaction of copper reacting with silver ions in aqueous CuSO4 and AgNO3 solutions
Cu(s) + 2 Ag+(aq) -> Cu2+(aq) + 2Ag(s)
a) Indicate which substance loses electrons and which substance gains electrons.
b) When a substance is oxidized it loses electrons. Write the oxidation half-reaction.
c) When a substance is reduced it gains electrons. Write the reduction half-reaction.
d) Add the oxidation and reduction half-reactions to give the overall reaction of copper reacting with silver ions. In order to conserve charge, the electrons lost and gained must be balanced.
Consider a reaction of copper reacting with silver ions in aqueous CuSO4 and AgNO3 solutions Cu(s)...
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reaction of copper metal with aqueous silver nitrate
3. Reaction of copper metal with aqueous silver nitrate Observations: Reaction Type: Copper darkens once Giver nitrate is adoled almost appears to have a spongy dark films (including states) CO Culs) + 2AGNO3(aq) S CULNO3)2 +2 Ag Oxidation States of atoms in reactants Oxidation states of atoms in products Cu = Ag = Substance Oxidized? - AB Substance Reduced? Oxidizing Agent? Reducing Agent? Number of electrons transferred
The following redox reaction can occur between zinc (Zn) and copper (Cu): Zn(s) + CuSO4(aq) → ZnSO4(aq) +Cu(s) The transfer of electrons that occurs in this reaction can be exploited to create a battery. A. Write the net ionic equation for this reaction. B. Which atoms or ions are reduced in the reaction? Which are oxidized? C. How many electrons are transferred from each oxidized atom (or ion) to each reduced atom (or ion) in the reaction? D. If 100...
Question 20 (1 point) Solid silver can be produced by reacting silver (1) nitrate with copper according to the reaction below. How how many moles of silver can be produced if 17.882 g of Cu was placed in silver (1) nitrate solution (Assume the AgNO3 is in excess) Cu(s) + 2 AgNO3(aq) + Cu(NO3)2(aq) + 2 Ag(s) Your Answer: Answer units Question 21 (1 point) . . . . n l .ncc. that
Question 19 (1 point) Solid silver can be produced by reacting silver (1) nitrate with copper according to the reaction below. What is the percent yield of a reaction if 9.752 g of Cu was placed in silver (1) nitrate solution and produced 11.500 g of silver (Assume the AgNO3 is in excess)? Cu(s) + 2 AgNO3(aq) Cu(NO3)2(aq) + 2 Ag(s) Your Answer: Answer units Question 20 (1 point) How many moles of chloride ions are present in a 300.0...
Question 29 Consider the reaction: Pb(s) + 2AgNO3(aq) -> Pb(NO3)2(aq) + 2Ag(s) In this reaction silver goes from +1 to 0. We can say that silver is __ because it_electrons. reduced, loses oxidized, loses reduced, gains oxidized, gains
molecular equation for the reaction of magnesium metal with aqueous
silver nitrate
> magnesium + silver nitrate Mg(s) + 2AgNO, (aq) → Mg(NO3)2(aq) + 2Ag(s) copper(11) nitrate silver Cu(NO3)2(aq) Ag(s) silver nitrate AgNO,(aq) Write the molecular equation for the reaction of magnesium metal with aqueous silver nitrate. Include physical states. molecular equation: ABUS Write the net ionic equation for the reaction of magnesium metal with aqueous silver nitrate. Include physical states. net ionic equation:
In a copper-zinc voltaic cell, one half-cell consists of a ZnZn
electrode inserted in a solution of zinc sulfate and the other
half-cell consists of a CuCu electrode inserted in a copper sulfate
solution. These two half-cells are separated by a salt bridge.
At the zinc electrode (anode), ZnZn metal undergoes oxidation by
losing two electrons and enters the solution as Zn2+Zn2+ ions. The
oxidation half-cell reaction that takes place at the anode is
Zn(s)→Zn2+(aq)+2e−Zn(s)→Zn2+(aq)+2e−
The CuCu ions undergo reduction...
Assign oxidation states to all the elements in this unbalanced reaction: Ag+(aq) + Cu(s) --> Ag(s) + Cu2+ (aq) Which substance gets oxidized? Which substance gets reduced? Balance the Redox reaction.
The CuCu ions undergo reduction by accepting two electrons from
the copper electrode (cathode) and depositing on the electrode as
Cu(s)Cu(s). The reduction half-cell reaction that takes place at
the cathode is
Cu^2+(aq)+2e^−→Cu(s)Cu^2+(aq)+2e^-→Cu(s)
The electrons lost by the ZnZn metal are gained by the CuCu ion.
The transfer of electrons between ZnZn metal and CuCu ions is made
possible by connecting the wire between the ZnZn electrode and the
CuCu electrode. Thus, in the voltaic cell, the electrons flow
through...
Calculate the cell potential for the reaction below when the concentrations of ions are: [Ag+ ] = 0.010 M and [Cu2+] = 0.750 M, at 25 °C. Cu(s) + 2Ag+ (aq) --> Cu2+(aq) + 2Ag(s) Given the standard reduction potentials: Cu2+(aq) + 2e– → Cu(s) Eϴ = 0.34 V Ag+ (aq) + e– → Ag(s) Eϴ = 0.80 V (A) 0.35 V (B) 0.44 V (C) 0.46 V (D) 0.48 V (E) 0.57 V