States of Matter
Equal weights of methane and hydrogen are mixed in an empty container at 25∘C. The fraction of the total pressure exerted by hydrogen is
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The motion of the ball in the vessel is
Consider the equation Z=RTPV. Which of the following statements is correct?
Two closed vessel A and B of equal volume of 8.21 L are connected by a narrow tube of negligible volume with open valve. The left hand side container is found to contain 3 mole CO2 and 2 mole of He at 400 K. What is the partial pressure of He in vessel B at 400 K?
If Fc and Fa denote cohesive and adhesive force on a liquid molecule near the surface of a solid. then the surface of request is concave , when;
The root mean square speed of an ideal gas at constant pressure varies with density d as .
Under which of the following sets of conditions is a real gas expected to deviate from ideal behaviour? (I) High pressure, small volume (II) High temperature , low pressure (III) Low temperature, high pressure
A gaseous mixture contains 4 molecules with a velocity of 6 cm sec−1,5 molecules with a velocity of 2 cm sec−1 and 10 molecules with a velocity of 3 cm sec−1. What is the rms speed of the gas:
10 g of a gas at 1 atm and 273 K occupies 5 litres. The temperature at which the volume becomes double for the same mass of gas at the same pressure is: