Q.1 The values of Henry's law constant (KH) of N2 at temperatures 293 K , 298 K and 303 K are 74.48 kbar, 86.78 kbar and 88.84 kbar respectively.What inference can you draw from these information? (1 mark)

Henry’s equation says:

 

 

Where x is the mole fraction of gas; kH is Henry’s constant; p = partial pressure of the gas.

 

From the above given data in the question gives information, as the temperature increases the Henry’s constant also increase showing Henry’s constant changes as temperature of the system changes.

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 As we know that, KH=Partial pressure of the gas/ Mole fraction of gas in solution.

Therefore, According to given data, With increase in temperature, Value of KH increases, indicating that with increase in temperature, Solubility of gas decreases and the partial pressure of gas increases.

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