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You blow up a spherical balloon to a diameter of 50.0 cm

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 71P Chapter 18

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 71P

You blow up a spherical balloon to a diameter of 50.0 cm until the absolute pressure inside is 1.25 atm and the temperature is 22.0o C. Assume that all the gas is N2, of molar mass 28.0 g/mol. (a) Find the mass of a single N2 molecule. (b) How much translational kinetic energy does an average N2 molecule have? (c) How many N2 molecules are in this balloon? (d) What is the total translational kinetic energy of all the molecules in the balloon?

Step-by-Step Solution:

Solution 71P Step 1 : Diameter of the balloon = 50.0 cm Radius = r = d/2 = 50/2 = 25 cm = 0.25 m Pressure inside balloon P = 28.0 g/mol 0 Temperature T = 22 C = 273 + 22 = 295K Molar mass = m = 28.0 g /mol

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Chapter 18, Problem 71P is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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You blow up a spherical balloon to a diameter of 50.0 cm