Question

Need help with question 1. A-F

Name: ELECTROCHEMISTRY WORKSHEET 1. Answer the questions below regarding the voltaic cell drawn. NO Cathode NO, BI Anode NO3- NO3 NO, NO, a. Write both half reactions: Cathode Half Reaction: Anode Half Reaction: b. In which direction will the electrons flow? c. Which electrode will be positively charged? d. In which direction will the NO3 ions flow in the salt bridge? e. Which electrode decreases in mass during the reaction? f. Write the shorthand cell notation for this voltaic cell. 2. The following equation is not balanced: Al3+ (aq) + Cuis) -Al(s) + Cu?+ (aq) a. Write the half-reactions for this equation.

Answer 1

Ans is explaine in the attachment,

a);) Cathope Half Cell C Reduction) reaction Ata + 21- - Acs( +ve electrode) 2+ a) i Anode Holf ceu ( Oxidation) reaction B - 8377 3e- (-ve electrode) b) Hectrons will flow from anode to Cathode . c) cathode will be tvely charged. d) Nož ion will How from cathod to Anode to balance the charge love charge of e-) e) Anode will decrease in mass during the reaction Anode cathod +) Brasloten in Anti Acs) 12+ salt halfceu snage half cell Coxida Hon) (reduction) cel diagram 2) 2 APERS) + 3 Curs) - 32A163) + 3 Cu aq Oxidation halt et mis ge- Reduction halt ca 2t the - Ca(s)