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calorimetria

The calorimetry: The part of the thermology who studies the measurement of body heat. All calorimetry calculations are based on the following principles:
when put together two bodies at different temperatures gives the hottest heat to cold until both are at an intermediate temperature of which had at first.
the heat gained by a body is exactly the same as given on the other.
If you have a body mass m1, c1 and specific heat is at a temperature t1 and another mass m2, c2 and specific heat at a temperature that we assume that t2 and t1> t2 by linking them both remain at a temperature intermediate compliments you t1> I> t2. waste heat by the hot body will Qp = m1 c1 (t1-I)
The heat gained by the cold body will Qg = m2 c2 (I-t2) Qp = Qg



In a broad sense calorimetry was developed historically as a technique for manufacturing equipment and procedures to measure the amount of heat released or absorbed in a reaction mechanical, electrical, chemical or otherwise. This discipline, situated within the thermodynamics, has specialized in particular, over time, determining the specific heat of bodies and physical systems.


According to the theories that initiated the study of calorimetry, the heat was a subtle kind of fluid that was produced in the combustion and spent a few bodies to others and can be stored in them more or less cantidad.Posteriormente, we observed that when mechanical work is exerted on a body (to rub or strike, for example), appeared to heat, a fact which contradicted the principle of conservation of energy, and energy disappearing in the form of mechanical work, in addition to being observed the onset of heat without combustion alguna.Benjamin Thompson had been highlighted this fact when he led a boring work canyons, observing that the cooling water holes are heated during processing. To explain, he postulated the theory that heat was a form of energía.Thompson had not shown that conservation of energy in the transformation of work into heat, due to the imprecision in the measures used equipment. Subsequently, Prescott Joule was able to demonstrate experimentally, leading to determine the amount of heat obtained by each work unit consumed, which is 0.239 calories per July work calor.Calorimetría turns entirely on the extent of amount of heat or absorbs a sagging body.