Lessons

Eamcet Chemistry
Unit - 5 States of Matter -States of Matter

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Q.

An open vessel at 27ºC is heated until three-fourths mass of the air in it has been expelled. Neglecting the expansion of the vessel, the temperature to which the vessel has been heated is

View Answer

Correct choice: A

Explanation:

Hint:n1 T1 = n2 T2
Where n1 =1, n2 = moles left= 1-3/4= 1/4
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