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Q.1: Why Boyle’s Law is only applicable to ideal gases?
Ans: Experimental verification of Boyle’s Law shows that if we double the pressure
the volume become half and if we increase the pressure three times then volume
decrease to 1/3 of the volume. But it is only possible incase of ideal gases not in
case of real gases. So, Boyle’s Law is applicable to ideal gases only.
Q.2: Define atm and give its relationship with other units.
Ans: The force exerted by 760mm of Hg or 76cm long column of Hg on 1cm2 at OCo
is
called atm. Units of atm:
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