What is the volume of the balloon

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A weather balloon containing 3.50 kg of helium gas, is released from a location at which the temperature is 20.0°C and the pressure is 101 kPa.The pressure inside the balloon is equal to the exterior pressure.

(Note: the mass of a helium molecule is 4u, u=1.66×10-27kg, R=8.314J/mol-K, kB=1.38×10-23 J/K, Avogadro number NA= 6.023×1023mol-1)

a) What is the volume of the balloon?

b) What is the average kinetic energy of the helium molecules?

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