a measure of the amount of kinetic energy in the atom of molecules of a substance
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Define Heat
Is a measure of the total energy of the molecules in a substance
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Define Kinetic Energy
the energy of movement of atoms and molecules
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Define Potential Energy
The energy in the molecular bonds of the substance
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At 0°k what is the temp in degrees centigrade?
-273°C
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What are the 3 laws of thermodynamics
1) energy cannot be created or destroyed
2) Heat cannot spontaneously flow from a material at lower temp to a material at higher temp
3) The entropy of a substance approaches zero as the temperature approaches zero
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The electromagnetic spectrum
(shortest to highest wavelength)
(highest to shortest energy)
Gamma ray, x-ray, UV, Visible, IR, Microwaves, Radio waves, Audio
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Heat transfer radiation calculation
(Stefan-boltzmann law)
Q = AP = AεσT(to the power of 4)
Q = the energy radiated per second (Js)
P = the energy radiated per second per unit area (power per unit area) (Js)
T = Temperature in K
σ = Stefan-boltzmann constant in Wm(to the power of -2) k(to the power of -4)
ε = the emissivity (dimentionless range
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Other cards in this set
Card 2
Front
Define Heat
Back
Is a measure of the total energy of the molecules in a substance
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