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States of Matter Test - 13

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States of Matter Test - 13
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  • Question 1
    4 / -1
    At constant volume and temperature conditions, the rate of diffusion DA and DB of gases A and B having densities ρA and ρB are related by the expression,
    Solution

  • Question 2
    4 / -1
    Under what conditions will a pure sample of an ideal gas not only exhibit a pressure of 1 atm but also a concentration of 1 mole litre-1?
    (R = 0.082 litre atm mol-1deg-1)
    Solution

  • Question 3
    4 / -1
    The ratio among most probable velocity, mean velocity and root mean square velocity is given by
    Solution

  • Question 4
    4 / -1
    The root mean square speeds at STP for the gases H2, N2 , O2 and HBr are in the order
    Solution

  • Question 5
    4 / -1
    What is the relationship between the average velocity (v), root mean square velocity (u) and most probable velocity (a)?
    Solution

  • Question 6
    4 / -1
    The temperature of the gas is raised from 27ºC to 927ºC, the root mean square velocity is
    Solution

  • Question 7
    4 / -1
    If three unreactive gases having partial pressures PA , PB, PC and their moles are 1, 2, and 3 respectively then their total pressure will be:
  • Question 8
    4 / -1
    According to Grahman’s law at a given temperature, the ratio of the rates of diffusion rA/rB of gases A and B is given by
    (Where P and M are the pressures and molecular weights of gases A and B respectively)
    Solution

  • Question 9
    4 / -1

    Solution

  • Question 10
    4 / -1
    The compressibility of a gas is less than unity at STP. Therefore
    Solution

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