Heat vs Temperature and Phase Changes

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Pill Bug Interactive

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Published on November 8, 2015 3:22:39 PM ● Video Link: https://www.youtube.com/watch?v=O4SGU4xw_0U

Duration: 7:08

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8

First I explain the differences between heat and temperature. Then I use these ideas to show how the temperature changes during phase changes as we heat a substance.

Remember heat is about a transfer of energy. On the graph I draw the x-axis is a summation of the heat added to our substance.

For more information:

Heat and phase changes: http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/heat.html
http://www.dummies.com/how-to/content/why-temperature-remains-constant-during-a-phase-ch.html

Adiabatic processes - heat transfer is zero -
http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/adiab.html

Isothermal processes - temperature remains constant -
http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/isoth.html#c1