Cu(NO3)2 ------- Salt
HClO3 ------ Acid
Zn(OH)2 ------ Base
HCN ------- Acid
Co2 S3 ------ Salt
1) Classify each of the following as acid, base or salt. Classification Compound Cu(NO3)3 HCIO3 Zn(OH)2...
What is reduced in the following reaction? Cu(NO3)2 + Zn -> Zn(NO3)2+ Cu ON O NO3 Zn O Cu(NO3)2
Balance each of the following in BASE: Show work A). CrO42-(aq) + Cu(s) Cr(OH)3(s) + Cu(OH)2(s) B). NO2(g) NO3-(aq) + NO2-(aq) D). Zn(s) + NO3-(aq) Zn(OH)42-(aq) + NH3(g) D). Br2(l) BrO3-(aq) + Br -(aq)
for each reaction- classify as oxidation-reduction,acid-base or precipitation Classify each of the following reactions as oxidation-reduction, acid-base, or Note that in order to be a redox reaction, the oxidation number of an element must be different when it is a reactant than when it is a product. (1 point each) precipitation. Classification Reaction Number 24 Ca (s) +2 H2O ()- Ca(OH)2 (s) + H2 (g) 25 CdCl2 (aq)+ Na2S (aq)CdS (s) +2 NaCl (aq) Zn(OH)2 (s) + H2SO4 (aq)ZnSO4 (aq)...
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
Classify the type of reactions 1. Cu(s) + 4HNO3 (aq) -> Cu(NO3)2(aq) + 2H2O (l) + 2NO2(g) 2. Cu(s) + 4H3O+ (aq) + 2NO3- (aq) -> [Cu(H2O)6]2+ (aq)+ 2NO2(g) 3. [Cu(H2O)6]2+ (aq)+ NaOH (aq)-> Cu(OH)2 (s) + 5H2O (l) 4. Cu(OH)2 (s) (+ heat) -> CuO (s) + H2O (l) 5. CuO (s) + H2SO4 (aq) -> CuSO4 (aq) + H2O(l) 6. CuSO4 (aq) + Zn (s) -> Cu (s) + ZnSO4 (aq) 7. Zn (s) + H2SO4 (aq) -> ZnSO4...
2). Classify each of the following as strong electrolyte ,weak electrolyte or nonelectrolyte. classification. Compound Ag2SO4 Li2CO3 CaF2 Al(OH)3 (NH4)2SO4
potassium butanoate KC4H702 Identify each compound or ion as solid acid, solid base, weak acid, weak base, conjugate base of solid acid, conjugate base of weak/acid or not an acid or base. Write the reaction of each with H20 and calculate pH of a 0.15M solution. hydrocyanic acid HCN chloric acid HCIO3
Classify each of the following substances as either a strong or weak acid, strong or weak base, or a soluble or insoluble salt. Clear All strong acid HCN weak acid ΗΝΟ, strong base weak base HCI soluble salt NH, insoluble salt
2. Classify each of the following reactions as precipitation, gas forming, redox, acid/base, combination, decomposition, double displacement or single displacement. Each reaction will have at least two classifications. a. Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) b. H2SO3(aq) → SO2(g) + H2O(1) C. N2(g) + H2(g) → NH3(g) d. AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) ii. e. HCl(aq) + Ba(OH)2(aq) + H2O(l) + BaCl2(aq)
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...