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What is reduced in the following reaction? Cu(NO3)2 + Zn -> Zn(NO3)2+ Cu ON O NO3...
What is the product containing copper after the reaction of Cu(NO3)2(aq) + NaOH --> Cu(s) O Cu(NO3)2(aq) Cuo(s) Cu(OH)2(s) CuSO4(aq) none of these The previous problem had you calculate the mass of carbon dioxide produced when a given mass of potassium carbonate reacted with a given volume of nitric acid. In this reaction with the previously given amounts, what is the limiting reactant? K2CO3 (aq) + 2 HNO3 (aq) --> 2KNO3 (aq) + H20 (1) + CO2 (g) O CO2...
12) Which of the following is true for reaction Cu + ZnCl2 --> CuCl2 + Zn ? Write the oxidation numbers of each species above their formula, and write a half-reaction showing what happens to both the Cu and the Zn2+ A) Cu is oxidized B) Zn+2 is reduced C) Cu is a reducing agent D) All of the above statements are correct.
Which of the following is the balanced half -reaction for the oxidation of Cu to Cu+2? O Cu + 2 e- --> Cu+2 O cu Cu +2 O Cu - 2e- --> Cu+2 O cu --> Cu+2 + 2 e-
QUESTION 26 In the following, what was reduced? Zn + 2HBr --> ZnBr2 + H2 O H2 Zn in ZnBr2 OH in HBO o Zn Br in ZnBr2
data collected Cu(NO3)2 | Zn(NO3)2 = 0.999 V Pb | 1.0 M Pb(NO3)2 || 1.0 M Zn(NO3)2 | Zn = 0.396 V PART B: REDUCTION POTENTIALS 1. Report the measured cell potential for each galvanic cell and state which electrode corresponds to the cathode and which to the anode. 2. Given E = -0.76 V for the Zn/Zn half-cell, and your measured Ecell, calculate the reduction potential at the Cu and Pb electrodes and write the redox half- 6 reactions...
1) What is the value for the van't Hoff factor (i) for Zn(NO3)2? a) i = 1 b) i = 2 c) i = 3 d) i = 4 e) i > 4
In a particular redox reaction, NO2- is oxidized to NO3- and Cu2+ is reduced to Cu+. Complete and balance the equation for this reaction in acidic solution. Phases are optional. What is the balanced redox reaction? Can you elaborate why the answer is not " NO2- + Cu2+ + H2O ---> NO3- + Cu+ + 2H+ "
Which of the following is true for reaction Cu + ZnCl2 —> CuCl2 + Zn ? Write the oxidation numbers of each species above their formula and write a half-reaction showing what happens to both the Cu and Zn2+. Please show work, I want to learn how to do this! Which of the following is true for reaction Cu + ZnCl2 - numbers of each species above their formula, and write a half-reaction showing what happens to CuCl2 + Zn?...
In a particular redox reaction, NO2– is oxidized to NO3– and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in acidic solution.
For each of the following assign oxidation numbers to the individual elements: 1) Zn+Pb(NO3)2= Zn (NO3)2+Pb 2) Mg+ H2SO4= MgSO4+H2 3) 2 Zn+ 2 HCl=2 ZnCl2+ H2 4) Cu (NO3)2+2 Zn= Cu+ 2NO3