The overall reaction and equilibrium constant value for a hydrogen-oxygen fuel cell at 298 K is 2 Hz(9) + O2(g) + 2 H2O(

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The Overall Reaction And Equilibrium Constant Value For A Hydrogen Oxygen Fuel Cell At 298 K Is 2 Hz 9 O2 G 2 H2o 1 (32.56 KiB) Viewed 82 times

The overall reaction and equilibrium constant value for a hydrogen-oxygen fuel cell at 298 K is 2 Hz(9) + O2(g) + 2 H2O(1) K = 1.28 x 10% (a) Calculate E and AG at 298 K for the fuel-cell reaction. E = AG = kJ (b) Predict the signs of AH and AS for the fuel-cell reaction. Ο ΔΗ' <0. ΔS" <0 O AH° <0, AS > 0 Ο ΔΗ' > 0, ΔS" <0 ΔΗ" > 0, ΔS > 0 AH <0, the sign of AS cannot be predicted OAH > 0, the sign of AS cannot be predicted (C) As temperature increases, does the maximum amount of work obtained from the fuel-cell reaction increase, deu increases decreases remains the same