Gases & Solutions
States of Matter
Which one of the following V,T plot respresents the behavlour of one mole an ideal gas at one atap ?
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For gaseous state, if most probable speed is denoted by C∗ average speed by C and root square speed by C, then for a large number of molecules, the ratios of these speeds are
Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape ?
The rate of diffusion of a gas is………….proportional to both ……….. And square root of molecular mass.
Lithium has a bcc structure .Its density is 530kgm−3 and its atomic mass is 6.94gmol−1 .Calculate the edge length of a unit cell of lithium metal (NA=6.02×1023mol−1)
A helium atom is two times heavier than a hydrogen molecule. At 298K, the average kinetic energy of a helium atom is
Which one of the following statements is an incorrect?
Calculate the average kinetic energy (in joule) per molecule in 8.0g of methane at 27∘C.
Using van der Waals equation, calculate the constant a when 2mol of a gas confined in a 4L flasks exerts a pressure of 11.0atm at a temperature of 300K. The value of b is 0.05Lmol−1.