Research examines improved heat loss correction methods in calorimetry, indicating better accuracy for energy measurements.
The ubiquitous and imperfectly insulated coffee cup calorimeter is shown to be subject to significant rates of heat transfer through its polystyrene foam walls to their external surroundings, invalidating the commonly employed calorimeter constant heat loss correction procedure. The alternative post-reaction temperature trend extrapolation procedure for heat loss correction is examined and an enhanced version is validated in a determination of the heat of solution of sodium hydroxide in water.
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John C. O’;C. Young (2016) studied this question.
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