A large balloon of volume 1500 m³ is filled with helium gas at a pressure of 120 kPa and temperature of 27 °C. The balloon is released and it rises. At a certain height, the temperature of helium in the balloon decreases to 13 °C, but the volume of the balloon remains constant. (b) What is the pressure of helium in the balloon? (b) What is the change in the internal energy of the helium gas in the balloon? (c) What happen to the change in the internal energy of helium.
A large balloon of volume 1500 m³ is filled with helium gas at a pressure of 120 kPa and temperature of 27 °C. The balloon is released and it rises. At a certain height, the temperature of helium in the balloon decreases to 13 °C, but the volume of the balloon remains constant. (b) What is the pressure of helium in the balloon? (b) What is the change in the internal energy of the helium gas in the balloon? (c) What happen to the change in the internal energy of helium.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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Transcribed Image Text:5. A large balloon of volume 1500 m³ is filled with helium gas at a pressure of 120 kPa
and temperature of 27 °C. The balloon is released and it rises. At a certain height, the
temperature of helium in the balloon decreases to 13 °C, but the volume of the
balloon remains constant.
(b) What is the pressure of helium in the balloon?
(b) What is the change in the internal energy of the helium gas in the balloon?
(c) What happen to the change in the internal energy of helium.
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