Question 1 Helium gas is contained in a cylinder by a gas-tight piston which can be assumed to move without friction. The gas occupies a volume of 1 x 10^-3m^3 temperature of 300K and a pressure of 1 x 10^5 Pa. (a) Calculate : i.the number of helium atoms in the container, ii.the total KE of the helium atoms (b) Energy is now supplied to the gas in such a way that the gas expands and the temperature remains constant at 300K. State, and explain what changes, if any, will have occurred in the following quantities : i. The internal energy of the gas ii. The root-mean-square speed of the helium atoms iii. The density of the gas. (Given : Boltzmann's constant = 1.38 x 10^23 JK^-1)
Question 1 Helium gas is contained in a cylinder by a gas-tight piston which can be assumed to move without friction. The gas occupies a volume of 1 x 10^-3m^3 temperature of 300K and a pressure of 1 x 10^5 Pa. (a) Calculate : i.the number of helium atoms in the container, ii.the total KE of the helium atoms (b) Energy is now supplied to the gas in such a way that the gas expands and the temperature remains constant at 300K. State, and explain what changes, if any, will have occurred in the following quantities : i. The internal energy of the gas ii. The root-mean-square speed of the helium atoms iii. The density of the gas. (Given : Boltzmann's constant = 1.38 x 10^23 JK^-1)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question 1
Helium gas is contained in a cylinder by a gas-tight piston which can be
assumed to move without friction. The gas occupies a volume of 1 x 10^-3m^3 temperature of 300K and a pressure of 1 x 10^5 Pa.
(a) Calculate :
i.the number of helium atoms in the container,
ii.the total KE of the helium atoms
(b) Energy is now supplied to the gas in such a way that the gas expands and
the temperature remains constant at 300K. State, and explain what changes, if any, will have occurred in the following quantities :
i. The internal energy of the gas
ii. The root-mean-square speed of the helium atoms
iii. The density of the gas.
(Given : Boltzmann's constant = 1.38 x 10^23 JK^-1)
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