Question: A solid in contact with a gas at 12 kPa and 25 C adsorbs 2.5mg of the gas and obeys the Langmuir isotherm. The enthalpy

A solid in contact with a gas at 12 kPa and 25 °C adsorbs 2.5mg of the gas and obeys the Langmuir isotherm. The enthalpy change when 1.00mmol of the adsorbed gas is desorbed is +10.2 J. What is the equilibrium pressure for the adsorption of 2.5mg of gas at 40 °C?

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