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(7.9) Using the standard reduction potentials listed in the Table, determine following spontaneous under standard conditions. whether the reaction is Support your answer. Hg* (aq) + 21¯(aq) - Hga) +I2(s) From the Table: Hg (aq) * ,+2, - 2e- - Hg1) E°red = +0.85 V I2(s) + 2e- - 21¯(aq) E°red = %3D +0.54 V Answer: Is the above reaction spontaneous? (YES or NO) Briefly support your answer (.

(7.9) Using the standard reduction potentials listed in the Table, determine following spontaneous under standard conditions. whether the reaction is Support your answer. Hg* (aq) + 21¯(aq) - Hga) +I2(s) From the Table: Hg (aq) * ,+2, - 2e- - Hg1) E°red = +0.85 V I2(s) + 2e- - 21¯(aq) E°red = %3D +0.54 V Answer: Is the above reaction spontaneous? (YES or NO) Briefly support your answer (.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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(7.9) Using potentials listed in the Table, the standard reduction determine whether the following reaction is spontaneous under standard conditions. Support your answer. Hg*2(aq) + 21¯(aq) → ,+2, Hga) +I2(s) From the Table: Hg*2(aq) + 2e¯ → Hga) E°red = +0.85 V I2(s) + 2e- - 21 (aq) E°red = +0.54 V Answer: Is the above reaction spontaneous? (YES or NO) Briefly support your answer (. Refer to the Table of Standard Reduction Potential below. STANDARD REDUCTION POTENTIAL AT 25 °C ETV) atteaction +0.50 2H,O + 2e-Hlg) + 20H (a Hait-Reaction (V) Ag (ag) +- Agis) Aglle(s)+- Ag)+ r (a) AgCIs) - Ag(s) -a(ap) Ag(CN), (a) eAgs)+ 2CN (a) -O83 Agi+ r(a) 0.10 HO, (a) + HO) + 2e 3OH (a) +0.22 HOa) + 2H(ag) 2e 2Ho) -0.31 He(a 2e 2 Hg) +0.45 2Hg"(a)+ 2e Hg () -0.15 He(a)+ 2e Hel) ) + 2e 21(a) -1.46 2 10, (a) + 12H(a) + 10e l) +6HO) +0.56K'(ag) K) +1.78 a79 AgCro,(s) + 2e 2 Ags) + Cro ) Agl(s) +e- Ag) (a) AgrS,0(a) + - Agis) + 25,0 (a) A" (a) + 3e - A) 92 054 1.20 HAs0,n- 2H"(a) + 2e HAOa) + H,o) --2.92 Ba"(a)+ 2e al) u'(ag) +e- LA) +0.32 Mg"(a)+ 2e Mg) +1.07 Mn ()+ 2e- Mn(s) -2.37 HO () + 21H" () + 3e- N(s) + HO) len + 2e- 2 (a) 2 Bro, (a)- 12H (a)+ 10e - Ben+ 6 HOU) -LI8 +1.52 Mno 4H(a)+ 2e Mn(a)+ 2H0 -0.49 MnO, () BH(a) Se- Ma () 41,On 1.23 Ca"(a) + 2e Cats) Ca"(a) + 2e cas) Ce"(a) e -Ce"(a) Cle) + 2e- 2cr(a) 2HCIO() 2H'(a)+ 2e C 2HOU) CIO (ag + HO) + 2e Cr (a) + 20H (a) 2 CIO, (a)+ 12H(a) 10e C 6H,On Co(a) 2e Co(s) Co"(a) Co"(ay) Cr"(a) 3e Crs) Cr"(a) - C"(a) Co (ay) + 14H(a)+ 6e- 2C(a)+ 7H,O) +1.33 "(a) + 2e- P) -2.87 Mno, (n) 21O)+ 3e Meo) 4OH(a) a59 -0.40 HNO,(a)+ (a) + r- NO) + HO) +1.61 N) + 41O)+4e 4OH (ag + NHda) +1.36 N) SH(a)+4e NH, (ag) +1.63 NO, tarn+ 4(a)+ 3e- NO)+ 21HOU) 100 -L16 --0.23 +96 +0.9 Na'(a) Na(s) +1.47 N(a)+2e- N) -2.71 -0.28 -0.28 otr)4H'() +4e 21HOU) 1.23 +1 oe) + 2 HO) + de -4 OH G) 0.40 -0.74 Or)2H() 2e HOng) -0.41 o,) + 2(a) + 2e- On + HO) +207 -Q.13 CO (a) + 4HO 3r -0.13 o) HSO, ) 3Hp- 2e- 1.69 Ce(OH)+ SOH (a +0.34 rtso) + H"(ag)+ 2e - I) + SO, (a) +0.15 PCI (a) + 2e P) + 4Cr(a -0.36 Cu"(a) + 2e Culs) Cu"(a) Cu'(a) Cu'len +e Cuts) a73 +0.52 S(s)+ 2H'(a)+ 2e H) Cul(s) +e- Cu(s) + T(ag) Ede) + 2e- 2F(a) (a)- 2e Fe) 045 -0.19 HSOag) + 4H"(a) + 4e- S) + 3H,On +27 HSO, ng) 3H"(a) + 2e HS0 ag) + HO) -0.44 S(a)+ 2e Sns) +0.77 Set(a)+ 2e- S () --a14 FeCN) (a) + FeCN) Gn 2H(ag)+ 2e Hl) vo,(a) + 2H (a)e vo" (a) + HO) a00 Z a)+ 2e- Zn(s) +0. 100 --a76
Transcribed Image Text:(7.9) Using potentials listed in the Table, the standard reduction determine whether the following reaction is spontaneous under standard conditions. Support your answer. Hg*2(aq) + 21¯(aq) → ,+2, Hga) +I2(s) From the Table: Hg*2(aq) + 2e¯ → Hga) E°red = +0.85 V I2(s) + 2e- - 21 (aq) E°red = +0.54 V Answer: Is the above reaction spontaneous? (YES or NO) Briefly support your answer (. Refer to the Table of Standard Reduction Potential below. STANDARD REDUCTION POTENTIAL AT 25 °C ETV) atteaction +0.50 2H,O + 2e-Hlg) + 20H (a Hait-Reaction (V) Ag (ag) +- Agis) Aglle(s)+- Ag)+ r (a) AgCIs) - Ag(s) -a(ap) Ag(CN), (a) eAgs)+ 2CN (a) -O83 Agi+ r(a) 0.10 HO, (a) + HO) + 2e 3OH (a) +0.22 HOa) + 2H(ag) 2e 2Ho) -0.31 He(a 2e 2 Hg) +0.45 2Hg"(a)+ 2e Hg () -0.15 He(a)+ 2e Hel) ) + 2e 21(a) -1.46 2 10, (a) + 12H(a) + 10e l) +6HO) +0.56K'(ag) K) +1.78 a79 AgCro,(s) + 2e 2 Ags) + Cro ) Agl(s) +e- Ag) (a) AgrS,0(a) + - Agis) + 25,0 (a) A" (a) + 3e - A) 92 054 1.20 HAs0,n- 2H"(a) + 2e HAOa) + H,o) --2.92 Ba"(a)+ 2e al) u'(ag) +e- LA) +0.32 Mg"(a)+ 2e Mg) +1.07 Mn ()+ 2e- Mn(s) -2.37 HO () + 21H" () + 3e- N(s) + HO) len + 2e- 2 (a) 2 Bro, (a)- 12H (a)+ 10e - Ben+ 6 HOU) -LI8 +1.52 Mno 4H(a)+ 2e Mn(a)+ 2H0 -0.49 MnO, () BH(a) Se- Ma () 41,On 1.23 Ca"(a) + 2e Cats) Ca"(a) + 2e cas) Ce"(a) e -Ce"(a) Cle) + 2e- 2cr(a) 2HCIO() 2H'(a)+ 2e C 2HOU) CIO (ag + HO) + 2e Cr (a) + 20H (a) 2 CIO, (a)+ 12H(a) 10e C 6H,On Co(a) 2e Co(s) Co"(a) Co"(ay) Cr"(a) 3e Crs) Cr"(a) - C"(a) Co (ay) + 14H(a)+ 6e- 2C(a)+ 7H,O) +1.33 "(a) + 2e- P) -2.87 Mno, (n) 21O)+ 3e Meo) 4OH(a) a59 -0.40 HNO,(a)+ (a) + r- NO) + HO) +1.61 N) + 41O)+4e 4OH (ag + NHda) +1.36 N) SH(a)+4e NH, (ag) +1.63 NO, tarn+ 4(a)+ 3e- NO)+ 21HOU) 100 -L16 --0.23 +96 +0.9 Na'(a) Na(s) +1.47 N(a)+2e- N) -2.71 -0.28 -0.28 otr)4H'() +4e 21HOU) 1.23 +1 oe) + 2 HO) + de -4 OH G) 0.40 -0.74 Or)2H() 2e HOng) -0.41 o,) + 2(a) + 2e- On + HO) +207 -Q.13 CO (a) + 4HO 3r -0.13 o) HSO, ) 3Hp- 2e- 1.69 Ce(OH)+ SOH (a +0.34 rtso) + H"(ag)+ 2e - I) + SO, (a) +0.15 PCI (a) + 2e P) + 4Cr(a -0.36 Cu"(a) + 2e Culs) Cu"(a) Cu'(a) Cu'len +e Cuts) a73 +0.52 S(s)+ 2H'(a)+ 2e H) Cul(s) +e- Cu(s) + T(ag) Ede) + 2e- 2F(a) (a)- 2e Fe) 045 -0.19 HSOag) + 4H"(a) + 4e- S) + 3H,On +27 HSO, ng) 3H"(a) + 2e HS0 ag) + HO) -0.44 S(a)+ 2e Sns) +0.77 Set(a)+ 2e- S () --a14 FeCN) (a) + FeCN) Gn 2H(ag)+ 2e Hl) vo,(a) + 2H (a)e vo" (a) + HO) a00 Z a)+ 2e- Zn(s) +0. 100 --a76
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