ISUALIZATION Batteries Zn(s) +2 OH (aq) Zn0(s) + H20(8) + 2e 0:00 UR Hg0(s) + H20(2)+ 2e Hg(2) + 20H"(aq) How many electrons does each Hg2+ ion gain when being reduced at the cathode? Check Next (2 of 6) Submit Answer Try Another Version 3 item attempts remaining
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- Complete and balance the following redox reaction in basic solution. Be sure to include the proper phases for all species within the reaction. 103 (aq) + Re(s) → ReO4 (aq) + 10 (aq) 2- 3c₂²- 1 + H 2 (s) 3 ( H3O+ OH Reset 4 (1) 5 1 ) 6 H* 7 (g) H₂O 8 Re x H₂O 9 0 (aq) e (DZn(s) + 2 OH (aq) → ZnO(s) + H20(e) + 2e- 0:00 00:16:) + H20(e) + 2e CC {e LH"(- ); Consider the animation describing opperation of the mercury battery. What is the formula of the oxidizing agent used in the battery? ОН Recheck Next (1 of 6) 1st attempt# 3 Use the References to access important values if needed for this question. When the following skeletal equation is balanced under acidic conditions, what are the coefficients of the species shown? Hg2+ + Hg+ Water appears in the balanced equation as a Q E D Which species is the reducing agent? Submit Answer $ 4 Cut- R F % Retry Entire Group 9 more group attempts remaining 5 T Cengage Learning | Cengage Technical Support V с 1 G Cu2+ H 6 MacBook Pro B Y (reactant, product, neither) with a coefficient of & 7 H U N * 00 8 J 1 ( 9 M K ) 0 O C P Email Instructor Y . + { Save and Exit [ : 24 ? 1
- 1.3. Write the half-cell reactions for each of the following cells:a). Ag∣Ag+∥H+∣H2∣Ptb). Pt∣Cr2O–27,Cr+3,H+∥Br–∣Br2(l)∣Pt1:41 PM Mon Apr 3 Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction. 2+ Mn²+ (aq) + BiO3(aq) →MnO4 (aq) + Bi³+ (aq) 3C₂ 1)[ 2- + Question 3 of 24 (s) H₂O 3 4 2 ( Reset (1) 8 507 90 (g) Submit ㅈ H H3O+ O X = (aq) H* MnTask a)Balance the reaction. Find oxidant and reducer.Task b)Calculate EMF of the same reaction. Would this reaction go on spontaneously? Cr2(SO4)3 +Cl2+ KOH K2CrO4 + KCl + K2SO4 + H2O
- Question 8 of 25 Complete and balance the following half-reaction in basic solution Mn2" (aq) Mn02(s) 4- 3. 2. O+ 2+ D3+ 4+ 1 3 6. 7 8. 9. 3 (s) (1) (g) (aq) Mn OH H3O* H* H. e H2O Reset • x H2O Delete MacBook Pro 000 F2 DII F3 4+ 2.Boost Mobile 1:15 PM Question 3 of 3 Submit Which of the following is the cell| diagram for the reaction 3 Pb3*+(aq) + 2 Al(s) → 3 Pb(s) + 2 Al* (aq)? A) Pb(s) | Pb²*(aq) || Al³*(aq) | Al(s) B) Pb²*(aq) | Pb(s) || Al*(aq) | Al(s) C) Pb(s) | Pb²*(aq) || Al(s) | Al³*(aq) D) Al(s) | Al³*(aq) || Pb²*(aq) | Pb(s) E) Al**(aq) | Al(s) || Pb(s) | Pb*(aq) Tap here or pull up for additional resourcesVISUALIZATION Batteries Zn(s) + 2 OH"(aq) → Zno(s) + H20(e) + 2e Hg0(s) + H,0(8) + 2e→ Hg(e) + 20H"(aq)* Consider the animation describing opperation of the mercury battery. What is the formula of the oxidizing agent used in the battery? Check Next (1 of 6)
- 2nd attempt i See Periodic Table O See Hint For the following reaction, determine the number of electrons transferred. If the reaction is not a redox reaction, please enter "O" for your answer. 3Cus (s) + 8HNO, (aq) 3CUSO,lag) + 8NO(g) + 4H,0(1) electrons 1st attempt 1 OF 5 QUESTIONS COMPLETED 4 VIEW SOLUTION A SUBMIT ANSWER MacBook Air %23 DD 888 DII F2 F3 F4 F6 F7 FB F9 F10 %23 %24 & 3 4. 6 8. 5Please Help!! Part A: Electrochemical Cell Mass Data for Electochemical Cell Copper Zinc Initial mass of strip (g) 2.421 2.436 Final mass of strip (g) 2.602 2.250 Measured Ecell (V)= 1.02 Part B: Electroplating Mass Data for Electoplating Mass (g) Initial 0.930 After first plating 1.083 After second plating 1.238 After third plating 1.377 Part A: Electrochemical Cell Table view List view Mass Calculations for Electochemical Cell Copper Zinc Initial mass of strip (g) 2.421 2.436 Final mass of strip (g) 2.602 2.250 Mass gained(+) or lost(−) (g) 0.18 -0.19 what is Computed Ecell (V)? what is Computed ΔG (kJ/mol)? Mass Calculations for Electroplating (fill in chart) First Second Third Final mass of paper clip (g) 1.083 1.238 1.377 Initial mass of paper clip (g) 0.930 1.083 1.238…Question 5 of 8 Submit Complete and balance the following redox reaction in basic solution Zn (OH),2- (aq) + As (s) → Zn(s) + H2AS 0, (aq) 3c,2- 3C2 Reset > 1 2 4 7 8. (s) (1) (g) (aq) OH- H;0* H* H,0 As e- H. Zn x H2O Tap here or pull up for additional resources LO 3. +