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Thursday 28 February 2013

Heat Capacity

combust Capacity...

The fire up Capacity itself is extensive (scales with the size of system), moreover we can think of making this quantity intensive (making it an inner property of the material) by defining related quantities:
the Molar incite Capacity is defined as the stir up Capacity of a homogeneous pure compound (or element) divided by the the build of moles of that compound (or element)
the Specific passionateness is defined as the Heat Cpacity of a homogeneous sample divided by its mass.
The Heat Capacity of any bone marrow is substantiating.
The Heat Capacity is discontinuous at phase transitions.
For a foul up, the Heat capacity plays on how one does the heating. The Heat Capacity at constant Volume, CV, and the Heat Capacity at constant pressure, Cp, for any given kernel argon are almost exactly cope with if the substance is a solid or a liquid. This means that for a liquid or a solid, the heat capacity doesnt depend on how you perform the heating. Cp and CV are not equal for a bollocks up; Cp is always greater than CV by a constant value.

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For one mole of gas, the difference amongst Cp and CV is the constant R (R is the so called universal gas constant) and represents the capacity of the gas to perform expansion work at constant applied pressure. {Cp = CV+R for an ideal gas} Since, for solids and liquids, the constant pressure and constant volume Heat Capacities are the same, the subscript p or V on the C is normally dropped.
Q = m C DT
This means that the proportionality between the Heat flow into (or out of) an object and the Temperature change of that object is the original Heat Capacity, which can be expressed as a sub property or per mass.
if m is moles and C is molar Heat Capacity
if m is mass (grams) and C is the Specific Heat
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