Given a cylinder of fixed volume filled with 1 mol of argon gas, which of the fo

Question

Given a cylinder of fixed volume filled with 1 mol of argon gas, which of the following is correct? (Assume all gases obey the ideal gas law.) a) If the temperature of the cylinder is changed from 25 degree c to 50 degree c, the pressure inside the cylinder will double. b) A cylinder of identical volume filled with the same pressure of helium must contain more atoms of gas because He has a smaller atomic radius than argon. c) If a second mole of argon is added to the original cylinder, the pressure will be doubled. d) If the temperature of the cylinder is changed from 400K to 200 K, the pressure will be doubled. e) None of the above.

Explanation / Answer

Correct statement -

a) if tempreture of the cylinder is changed from 250C to 500C the pressure inside cylinder will double.

by using formula P1/T1 = P2/T2 we canesily conclude that pressure will doubled P2 = P1T2/T1

c) if a second mole of argon is added to the original cylinder the pressure will be doubled.

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