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CHM 1220: EXAM 3
How do you calculate ΔSsurr?
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ΔSsurr = -ΔH/T
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How do you calculate ΔG (standard conditions)?
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ΔG = ΔH-TΔS
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How do you calculate ΔG°?
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ΔG° = -RTlnK
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Gibbs free energy of cell?
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-nFE = -nFE°+RTlnQ
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How do you calculate STANDARD cell potential (E) and equilibrium constant at 25°C?
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E = (0.0592V/n)logK
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How do you calculate non-standard E at 25°C?
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E = E° - (0.0592V/n)logQ
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How do you calculate pH if a cell?
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pH = (E°-E)/0.0592V
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