Question

why does Boyle's temperature of different gases are different?​

Answer 1

Explanation:

Tb(Boyle's Temperature) = a/Rb

where, R is universal gas constant and a,b are vander wall constant.

Because, different gases have different values of a and b

Hence, Boyle's Temperature of different gases are different.

Answer 2

Boyle's temperature of different gases are different:

• Boyle's temperature is calculated at low pressure when the gas deviates from the ideal behavior and behaves as a real gas.
• For an ideal gas, Boyle's temperature =
• $\frac{2a}{rb}$ Here, r is the universal gas constant and a and b are vanderwaal's constant.
• As a depends on forces of attraction while b gives the size of the molecule and different molecules have different values of a and b so, different gases have different Boyle's temperatures. The value of a and b also depends upon the molecular weight as well.
• For example, Ammonia and water molecule have hydrogen bonding. so, it will give a different value of Boyle's temperature than a molecule that does not have such a strong type of bonding.

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