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As the temperature is raised from 20°C to 40°C, the average kinetic energy of neon atoms changes by a factor :

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Important Questions on States of Matter: Gases and Liquids

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 13
Which one of the following statements is not true about the effect of an increase in the temperature on the distribution of the molecular speeds in a gas?                             
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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 14
Equal weights of methane and oxygen are mixed in an empty container at 25 ∘C . The fraction of the total pressure exerted by oxygen is:
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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 15
When r, p and M represent rate of diffusion, pressure and molecular mass, respectively, then the ratio of the rates of diffusion of two gases A and B, is given as
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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 17
For gaseous state, if most probable speed is denoted by C*, average speed by C ¯  and mean square speed by C, then for a large number of molecules the ratios of these speeds are :
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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 19
A gas described by Van der waals equation
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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 20

The term that corrects for the attractive forces present in a real gas in the Van der Waals equation is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 21
One mole of real mono-atomic gas satisfies the equation p(V – b) = RT. Where b is constant. The graphic relationship of interatomic potential V(r) and interatomic distance r is given by :
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Alpha Question Bank for Engineering: Chemistry>Chapter 3 - States of Matter: Gases and Liquids>Exercise-3>Q 22
In van der Waal's equation of state of the gas law, the constant ‘b’ is a measure of