Questions asked by Pratik Kumar B.

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• A sample of gas at 35degree Celsius and 1 atm occupies a volume of 37.5L. At what temp should the gas be kept, if it required to reduce the volume to 3.0 litre at the same pressure?
  
• Equal masses of methane and hydrogen are mixed in an empty container. At 25 degree Celsius. The fraction of total pressure exerted by hydrogen will be?
  
• A motorcyclist moving with uniform retardation takes 10s and 20s to travel successive quarter kilometer.How much further he will travel before coming to rest?
  
• Trick to find dipole moment?
  
• What is work energy theorem?
  
• Under identical condition the rate of effusion of #"CH"_4# is higher than that of A) #"O"_2# b) #"H"_2# c) #"N"_2# d) #"He"# ???
  
• Calculate the ratio of catalyzed and uncatalyzed rate constant at 20 degree Celsius if the energy of activation of a catalyst reaction is 20 kilo joule per mole 4 and for an uncatalyst reaction is 75 kilo joule per mole?
  
• The rate constant of a certain reaction is given by #log_(10)k = 5.4 - 212/T#. Calculate the activation energy at #127^@ "C"#?
  
• Calculate RMS speed of hydrogen molecules in a sample of hydrogen gas at 300 K?