A spherical balloon of volume 4000 cm contains helium at an (inside) pressure of 1.20 x 10° Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 j?

A spherical balloon of volume 4000 cm contains helium at an (inside) pressure of 1.20 x 10° Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 j?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 41P

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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 spherical balloon of volume 4000 cm contains helium at an (inside) pressure of 1.20 x 10° Pa. How many moles of helium are in the balloon if the average kinetic
J?
energy of the helium atoms is 3.60 x 10-22
O 5.55 mol
O 4.65 mol
O 1.55 mol
O 6.64 mol
O 3.32 mol

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