Suppose a gas-filled incandescent light bulb is manufactured from regular glass and with atmospheric pressure in it at 20.00°C. Its average temperature when hot is 63.42°C. Neglecting any change in volume due to thermal expansion or gas leaks, its gauge pressure is calculated to be 0.1482 atm. The actual final pressure for the light bulb will be less than calculated because the glass bulb will expand. What will the actual final gauge pressure be, taking this into account? The coefficient of volume expansion for regular glass is 27 x 10-6/°C. (Give your answer to at least four decimal places.) atm Is this a negligible difference compared to the pressure difference induced by the temperature increase? (Note: We define negligible as a difference less than 0.01 atm.) O Yes

Suppose a gas-filled incandescent light bulb is manufactured from regular glass and with atmospheric pressure in it at 20.00°C. Its average temperature when hot is 63.42°C. Neglecting any change in volume due to thermal expansion or gas leaks, its gauge pressure is calculated to be 0.1482 atm. The actual final pressure for the light bulb will be less than calculated because the glass bulb will expand. What will the actual final gauge pressure be, taking this into account? The coefficient of volume expansion for regular glass is 27 x 10-6/°C. (Give your answer to at least four decimal places.) atm Is this a negligible difference compared to the pressure difference induced by the temperature increase? (Note: We define negligible as a difference less than 0.01 atm.) O Yes

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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Concept explainers

Kinetic Theory of Gas

The Kinetic Theory of gases is a classical model of gases, according to which gases are composed of molecules/particles that are in random motion. While undergoing this random motion, kinetic energy in molecules can assume random velocity across all directions. It also says that the constituent particles/molecules undergo elastic collision, which means that the total kinetic energy remains constant before and after the collision. The average kinetic energy of the particles also determines the pressure of the gas.

P-V Diagram

A P-V diagram is a very important tool of the branch of physics known as thermodynamics, which is used to analyze the working and hence the efficiency of thermodynamic engines. As the name suggests, it is used to measure the changes in pressure (P) and volume (V) corresponding to the thermodynamic system under study. The P-V diagram is used as an indicator diagram to control the given thermodynamic system.

Question

Suppose a gas-filled incandescent light bulb is manufactured from regular glass and with atmospheric pressure in it at 20.00°C. Its average temperature when hot is 63.42°C. Neglecting any change in
volume due to thermal expansion or gas leaks, its gauge pressure is calculated to be 0.1482 atm. The actual final pressure for the light bulb will be less than calculated because the glass bulb will
expand. What will the actual final gauge pressure be, taking this into account? The coefficient of volume expansion for regular glass is 27 x 10-6/°C. (Give your answer to at least four decimal
places.)
atm
Is this a negligible difference compared to the pressure difference induced by the temperature increase? (Note: We define negligible as a difference less than 0.01 atm.)
Yes
Ο No

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