Calorimetry
Calorimetry
is the measurement of heat exchange. When two objects touch, energy
(heat) is transferred from the hotter object to the colder object.
If they stay touching long enough, eventually they'll reach the same
temperature (think about putting a hot iron rod in a bucket of cold
water. Eventually, the rod and the water will be the same
temperature)
We can exploit this, since the heat gained by one object is the heat lost by the other:
We can exploit this, since the heat gained by one object is the heat lost by the other:
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Using "heat capacity":
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Using "Specific heat capacity":
Rather
than remember those lengthy equations though, I prefer to remember
this:
and
I remember that:
- the
left side is for the first substance, the right side is for the
second substance
- C
is the "specific heat capacity"
- one
temperature goes up, one temperature goes down ... put them into
this equation both as positive numbers
