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7. Use the given AH, Sº and AGºr values to calculate the AG at 25°C for the following reaction two different ways. First with
For each of the following redox reactions, a) Write out the balanced net ionic equation. b) Write the anode (oxidation) half-
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Answer #1

(S, (9) + 3 + 2H20 ) + 202 (9) - 2H20 V) CH4 (9) + 25039 Alin - Enidh poestand Shºrxo = En, H. (prescuela) - Eny s Hi trecic26 - tosin = - 412 Kimiolet - (298K x --88 more fun - -412 kJ mole- + 26.224 kJmok! onian - 385.776 kJ mole Now 40= [ 46° (p3 (400) #9 HNO, (09) ~ 3 (NO3)2 36N03), (09) + 2N0(9) + 4H20 (0) © ---3-6148.--8-495-tag a 364 304() + 2 . 6 ) + NO 09) - CuN051/NU = +0.96 V 142/ Cu = 0.34 v Ecell = É caltode - E anode O = E NO MO - cut/ou . = (0.96- 0.34) V = 0.62 v ::0Gº = -nf É

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