(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 18.0°C and 1.00 atm? atoms (b) What is the average kinetic energy of the helium atoms? ] (c) What is the rms speed of the helium atoms? km/s

(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 18.0°C and 1.00 atm? atoms (b) What is the average kinetic energy of the helium atoms? ] (c) What is the rms speed of the helium atoms? km/s

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter20: Kinetic Theory Of Gases

Section: Chapter Questions

Problem 62PQ

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Concept explainers

Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.

Question

(a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 18.0°C and 1.00 atm?
atoms
(b) What is the average kinetic energy of the helium atoms?
]
(c) What is the rms speed of the helium atoms?
km/s

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