Consider a 70% efficient hydrogen-oxygen fuel cell working under standard conditions at 1 bar and 298 K. Its cell reaction is
The work derived from the cell on the consumption of 1.0 × 10–3mol of H2(g) is used to compress 1.00 mol of a monoatomic ideal gas in a thermally insulted container. What is the change in the temperature (in K) of the ideal gas ?
The standard reduction potentials for the two half-cells are given below.
Use F = 96500 C mol–1 , R = 8.314 J mol–1K–1
Work derived from this fuel cell
Since insulated vessel, hence q = 0
From equation, for monoatomic gas,
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