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NEET-XII-Physics

24: Kinetic Theory of Gases

with Solutions - page 3
Qstn# iii-6 Prvs-QstnNext-Qstn
  • #6
    Which of the following quantities is the same for all ideal gases at the same temperature?
    (a) The kinetic energy of 1 mole
    (b) The kinetic energy of 1 g
    (c) The number of molecules in 1 mole
    (d) The number of molecules in 1 g
    digAnsr:   a,c
    Ans : (a) The kinetic energy of 1 mole
    (c) The number of molecules in 1 mole
    Kinetic energy per mole of an ideal gas is directly proportional to T. So, it will be the same for all ideal gases.
    Number of molecules in 1 mole of an ideal is the same for all ideal gases because ideal gases obey Avogadro's law.
    Thus,
    (a) and
    (c) are correct answers.