Heat and Temperature

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9 Terms

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Macroscopic properties

pressure, temperature, internal energy

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Microscopic properties

position, velocity, momentum

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Temperature

is a measure of how hot something is

[hotness or coldness of a system]

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Heatย 

is a form of energy that flows from a hotter object/substances to a cooler oneย [the energy that passes from one system to another]

5
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Zerboth Lawย 

If A and B are in thermal equilibrium and if B and C are in thermal equilibrium then, C and A are also in thermal equilibrium

TA = TB = TC

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1 cal

4.186 joules [j]

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Specific heat

C =ย  ย ย ย ๐‘„ ย 

ย ย ย ย ย ย ย  ๐‘šโˆ†๐‘‡

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Heat flow

is the rate at which energy leaves the hot end of the bar and arrives at the cold end of the bar

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Thermal expansion

โˆ†L/L = โˆย โˆ†๐‘‡