Question

2. 2 litres of a gas is enclosed in a vessel at a pressure of 760 mm Hg. If temperature remains constant, calculate pressure when volume changes to 4 dm3.

NEET/Medical Exams

Chemistry

Solution

194

4.0 (1 ratings)

( P v=n R T ) ( 16 m^{3}=1 ) litre ( 4 d m^{3} 21 ) litre ( A_{A} ) constant ( T ) [ p vee geqslant text { constent } ] As volumes become 2 litre to 4 linethen pressure willalso reduce do half [ frac{V_{1}}{v_{2}}=frac{P_{2}}{P_{1}} ] ( frac{2}{4}=frac{12}{760} ) [ begin{array}{l} 760 times frac{2}{4}=P_{2} P_{2}=380 mathrm{mm} mathrm{hg} end{array} ]