Heat propagation - conduction, convection and radiation

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Mundo QuiFis com Cecília Brustolini

Published on Apr 23, 2020
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Hi guys, in this video we will learn about heat propagation by conduction, convection and radiation with several examples and a thermos exercise. I hope you like it!!! If you like the video, subscribe to the channel!! -------------------------------------------------- ------------- Do you want to learn chemistry and physics to pass Enem, entrance exams or at school? Send me a message on WhatsApp: (75) 998182904 Private individual and group classes --------------------------------- ------------------------------ Exercise (Ufjf-pism 2 2017) The thermos bottle of a certain brand was constructed in such a way that reduce heat exchange with the environment, which can occur through three processes: conduction, convection and radiation. Among its various characteristics, we can mention: I. the internal ampoule of the bottle is made of plastic. II. the ampoule has double walls, and between these walls, a vacuum is created. III. the inner surface of the ampoule is mirrored. Select the alternative that corresponds to the process you want to avoid using the characteristics mentioned above. a) I – radiation; II – conduction and convection; III – convection. b) I – conduction and radiation; II – convection; III – driving. c) I – convection; II – driving; III – radiation. d) I – driving; II – conduction and convection; III – radiation. e) I – radiation; II – conduction and convection; III – radiation. -------------------------------------------------- ------------- Thermology Playlist: • Thermology -------------------------------- ------------------------------- ⭐Follow me too ⭐ Insta: @mundoquifis Face: Mundo Quifis Whats: (75) 998182904 Any questions feel free to talk to me!! #heat propagation #physics #quifisworld #ceciliabrustolini #physics #conduction #convection #radiation

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