Calculate AG and K at 25°C for the reactions. a. 7H₂O + 2 Cr³+ + 3 Cl₂ ⇒ Cr₂O7²- + 6 Cl¯ + 14H+ εº KJ AGⓇ = K = cell = 0.03 V

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Chapter17: Electrochemistry And Its Applications
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Calculate AG and K at 25°C for the reactions.
a.
b.
C.
d.
εº
7H₂O + 2 Cr³+ + 3 Cl₂ ⇒ Cr₂O7²- + 6 Cl¯ + 14H+
cell
KJ
2+
Cu²+ (aq) + Mn(s) ⇒ Mn²+ (aq) + Cu(s) €° = 1.52 V
KJ
= 0.27 V
Cl₂ (g) + 2 Br(aq) ⇒ Br₂ (g) + 2Cl¯ (aq) &°
AG =
KJ
K =
3H₂O(1) + 5104¯¯(aq) + 2 Mn²+ (aq) ⇒ 51O3¯(aq) + 2 MnO4¯¯ (aq) + 6H+ (aq
& cell
= 0.09 V
KJ
AGⓇ =
K =
AGⓇ =
K =
AG =
K =
= 0.03 V
Transcribed Image Text:Calculate AG and K at 25°C for the reactions. a. b. C. d. εº 7H₂O + 2 Cr³+ + 3 Cl₂ ⇒ Cr₂O7²- + 6 Cl¯ + 14H+ cell KJ 2+ Cu²+ (aq) + Mn(s) ⇒ Mn²+ (aq) + Cu(s) €° = 1.52 V KJ = 0.27 V Cl₂ (g) + 2 Br(aq) ⇒ Br₂ (g) + 2Cl¯ (aq) &° AG = KJ K = 3H₂O(1) + 5104¯¯(aq) + 2 Mn²+ (aq) ⇒ 51O3¯(aq) + 2 MnO4¯¯ (aq) + 6H+ (aq & cell = 0.09 V KJ AGⓇ = K = AGⓇ = K = AG = K = = 0.03 V
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