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
For each of the following assign oxidation numbers to the individual elements: 1) Zn+Pb(NO3)2= Zn (NO3)2+Pb...
Oxidation Numbers 1. Assign oxidation numbers to the atoms in each of the following. a) SO2 d) Mgl b) HCIO e) CaH c) Cr,0,2 f) Fe, 2. For each of the following: •assign oxidation numbers •indicate whether the equation represents a redox reaction .if redox, identify OA and RA a) Cu + 2 AgNO, 2 Ag + Cu(NO3)2 b) Pb(NO3)2 + 2 KI Pbl, + 2 KNO, c) Cl2 + 2 KI I2 + 2 KCI d) 2 NaCl 2...
For the following, assign oxidation numbers. Which species is oxidized and which is reduced? Which species is the oxidizing agent and which is the reducing agent? (A) Zn(s) + CuCl2(aq) Cu(s) + ZnCl2 (B) MnO2 (s) + 4H+(aq) + 2Cl-(aq) Mn2+(aq) + 2H2O(l) + Cl2(g) (C)Zn(s) + 2HCl(aq)ZnCl2(aq) + H2(g)
Assign oxidation numbers to all of the atoms of each element in the following reaction a) Cu(s) + NO3-1(aq) => Cu+2(aq) + NO(g) The oxidizing agent in this reaction is_________________ The reducing agent is this reaction is_________________
Assign oxidation numbers to all the elements in each of the following compounds: HSeO4^- H2PO3^- SO4^2- BaSO3 AlPO4 NO3^- Ni2O3 ClO3^-
es for each and 6, use +2 oxidation Part 2 Complete and balance the equations. Include the physical states for element/compound Record your observations before and after each reaction. You will use your observations to help you determine the order of activity of these metals. Reaction Observations yellow-brown color (1) Zn + Fe(NO3)3(e) no reaction (2) Zn + MgSO4 (a) (3) Zn + Al(NO3)3 (*) no reaction Clear brownish substance on the surface (4) Mg + Al(NOs) () Copper looks...
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...
4. (1 point) Write balanced equations for the complete combustion of each of the following substances. a. C3H28 (1) + b. C2H,2011 (s) + 5. (2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation, acid-base, or oxidation-reduction. Type Reaction K2SO4 + Ba(NO3)2 → BaSO4 + KNO3 HCI + Zn → ZnCl2 + H2 HCl + AgNO3 → AgCl + HNO3 HC1+KOH →KCI+H2O Zn + CuSO4 → ZnSO4 + Cu...
I am having trouble writing redox reactions and knowing how to assign oxidation numbers. What are the redox half reactions for Ag/AgNO3 and H2HCL? What are the redox half reactions for Zn/Zn(NO3)2 and H2/HCL?
Identify the species (atoms/ elements) undergoing oxidation and reduction in the following equations, assign oxidation numbers to each, and write balanced net ionic equations. a) Cu(s) Cu2+(aq) + 2e- b) Cl2(aq) + 2e- Cl-(aq) c) Cu(s) + Cl2(aq) Cu2+(aq) + 2Cl-(aq) d) 4CuO(s) + CH4(g) 4Cu(s) + CO2(g) + 2H2O(l) e) 2CuSO4(aq) + 4KI(aq) 2CuI (aq) + 2K2SO4(aq) + I2(aq) f) Cu2O(s) + Fe(SO4)3 (aq) + H2SO4(aq) 2CuSO4(aq) + 2FeSO4(aq) + H2O(l)
I'm stuck with this homework. From 1 through 5 can you correct my answers if I did it right? Using the above information write a balanced equation for each reaction which occurred. If no reaction occurred, write "NR". Be sure to show the proper phases (.e.g. solid (s) or aqueous (aq)). More active Element Less active Element Cu Cug + 2HCl ag → Cuclat H2 (9) 2009 + , HCL.) → Zn ola Caq) + Ha (9) Mg + HCl...