Question

(c) Helium-4 may be assumed to behave as an ideal gas.
A cylinder has a constant volume of 7.8 x 103 cm3 and contains helium-
pressure of 2.1 x 107 Pa and at a temperature of 290K.
Calculate, for the helium gas,
() the amount of gas,
(ii) the mean kinetic energy of the atoms​

Answer 1

Answer:

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