An endothermic reaction (AHrxn = +125 kJ) has a Kc of 4.61 x 103 at 25.0 °C. What is its equilibrium constant at 50.0 °C provided that AH°rxn is approximately constant within the given temperature range? 4.59 x 10-3 O 2.13 x 10-5 O 9.32 x 10-5 O 2.28 x 10-1

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