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Glossary of Physics L..1

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What does "thermo" mean?
statistical physics/mechanics
what is the zeroeth law?
2 objects in thermal equilibrium (same temp) with a 3rd object are also in T.E. w/ each other
temperature has what kind of relationship with all of its relating properties?
linear
Linear expansion due to heat of object with length L..what is the new length?
L= Lo + (del)L

(del)L = (alp)L(del)T
Area expansion due to heat of object with length, L and width, w...what is the new area?
A= Ao(1 + 2(alp)(del)T)
Typical value for alpha?
10^-6 C^-1
Volume expansion due to heat with object with volume, L.
del(V) = (beta)V(del)T
What is the value of Beta?
3(alpha)
Typical values of beta for liquid? gas?
liquid -- 10^-4
gas -- 10^-2/3
Boyle's Law

-equation?
-shape of curve?
PV=constant

hyperbola
Charle's Law

-equation?
-shape?
V proportional to (del)T

linear
Gay-Lussac's Law

-equation?
-shape?
P proportional to T

linear
What is absolute zero?
0 K or -273.15 C
P/M is always what?
constant
What is a mole?
quantity of matter equivalent in 12 grams of C12
What is the Universal Gas Law?
PV= nRT
What is the value of the universal gas constant, R?
8.315 J/K

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