Lec24 - Lecture 24 Purdue University, Physics 220 1 Lecture...

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Unformatted text preview: Lecture 24 Purdue University, Physics 220 1 Lecture 24 Heat PHYSICS 220 Lecture 24 Purdue University, Physics 220 2 Internal Energy Energy of all molecules including Translational and rotational kinetic energy of molecules due to their individual random motions. Vibrational energy (both kinetic and potential) of molecules and of atoms within molecules due to random vibrations about their equilibrium points. Potential energy due to interactions between the atoms and molecules of the systems. Chemical and nuclear energy (kinetic and potential energy associated with the binding of atoms to form molecules, the binding of electrons to nuclei to form atoms, and the binding of protons and neutrons to form nuclei). DOES NOT INCLUDE Macroscopic motion of object Lecture 24 Purdue University, Physics 220 2 Internal Energy Energy of all molecules including Translational and rotational kinetic energy of molecules due to their individual random motions. Vibrational energy (both kinetic and potential) of molecules and of atoms within molecules due to random vibrations about their equilibrium points. Potential energy due to interactions between the atoms and molecules of the systems. Chemical and nuclear energy (kinetic and potential energy associated with the binding of atoms to form molecules, the binding of electrons to nuclei to form atoms, and the binding of protons and neutrons to form nuclei). DOES NOT INCLUDE Macroscopic motion of object Potential energy due to interactions with other objects Lecture 24 Purdue University, Physics 220 3 Heat Definition: Flow of energy between two objects due to difference in temperature Note: similar to WORK Object does not have heat (it has energy) Units: calorie...
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Lec24 - Lecture 24 Purdue University, Physics 220 1 Lecture...

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