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The First & Zeroth Laws of Thermodynamics: Crash Course Engineering #9

In today’s episode we’ll explore thermodynamics and some of the ways it shows up in our daily lives. We’ll learn the zeroth law of thermodynamics, what it means to reach a thermal equilibrium, and define the first law of thermodynamics. We’ll also explore how stationary, adiabatic, and isochoric processes can make our lives as engineers a little easier. Note: Different branches of engineering sometimes define the first law of thermodynamics differently, depending on how work is defined. Essentially, work released from a system might be defined as a positive value or a negative value, and thus the first law can be defined as either Q-W or Q+W. Both are acceptable forms, depending on how the system is defined! We chose to focus on only one definition here to limit the confusion. Crash Course Engineering is produced in association with PBS Digital Studios:    • All PBS Digital Studios videos   *** RESOURCES: Çengel, Yunus A., and Michael A. Boles. Thermodynamics: An Engineering Approach. 8th ed., McGraw-Hill Education. http://web.mit.edu/16.unified/www/FAL... https://www.livescience.com/50776-the... https://www.khanacademy.org/test-prep... https://www.wired.com/2014/12/whats-i... http://www.chemistryislife.com/the-ch... http://hyperphysics.phy-astr.gsu.edu/... https://www.grc.nasa.gov/www/k-12/air... http://hyperphysics.phy-astr.gsu.edu/... http://www.physicsclassroom.com/class... http://www.physicsclassroom.com/class... https://www.realclearscience.com/blog... http://hyperphysics.phy-astr.gsu.edu/... https://www.britannica.com/science/in... https://www.nuclear-power.net/nuclear... https://www.britannica.com/science/en... http://pillars.che.pitt.edu/student/s... https://courses.lumenlearning.com/bou... https://www.khanacademy.org/science/b... http://www.ftexploring.com/energy/fir... https://water.usgs.gov/edu/hyhowworks... *** Crash Course is on Patreon! You can support us directly by signing up at   / crashcourse   Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Mark Brouwer, Erika & Alexa Saur Glenn Elliott, Justin Zingsheim, Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Nathan Taylor, Divonne Holmes à Court, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, D.A. Noe, Shawn Arnold, Ruth Perez, Malcolm Callis, Ken Penttinen, Advait Shinde, William McGraw, Andrei Krishkevich, Rachel Bright, Mayumi Maeda, Kathy & Tim Philip, Jirat, Eric Kitchen, Ian Dundore, Chris Peters -- Want to find Crash Course elsewhere on the internet? Facebook -   / youtubecrashcourse   Twitter -   / thecrashcourse   Tumblr -   / thecrashcourse   Support Crash Course on Patreon:   / crashcourse   CC Kids:    / crashcoursekids