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Define adsorption isotherm. Give the empirical relationship between the quantity of gas adsorbed by unit mass of solid absorbent and pressure at a particular temperature. |
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Answer» Solution :The variation in the amount of GAS adsorbed by adsorbent with pressure at constant temperature can be expressed by MEANS of a curve termed as ADSORPTION isotherm. The relation between the quantity of gas adsorbed by unit mass of SOLID adsorbent and pressure at a particular temperature is given by `(x)/(m)=kp^((1)/(n))(NGT1)` where x = mass of gas adsorbed, m = mass of the adsorbent, p = pressure of the gas. |
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