Instruments
Calorimeter
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A calorimeter is a device used for calorimetry, measuring the heat released or absorbed during a chemical reaction or physical change.
Facts
Invented YearThe term calorimeter was coined by Antoine Lavoisier in 1780; the first ice calorimeter was built by Lavoisier and Pierre-Simon Laplace over the winter of 1782-83, building on Joseph Black's 1761 discovery of latent heat. MeasuresHeat released or absorbed (enthalpy of reaction) and heat capacity. 1 Operating PrincipleMeasures the temperature change produced in a known mass and specific heat capacity of surrounding material (or, in the original ice calorimeter, the mass of ice melted) to calculate the energy given off or absorbed. 1 ResolutionSemi-adiabatic (isoperibol) calorimeters can measure temperature changes as small as 10 to the minus 6 degrees Celsius. 1 Open Questions
Operating RangeNot stated as a numeric figure in the cited source. 1 No explicit numeric operating temperature or heat-quantity range is given by the cited source for calorimeters in general; ranges vary widely by subtype (bomb, ice, differential scanning) and are not consolidated into one figure there. Cross-Tradition Connections
Invented By
With Pierre-Simon Laplace, whose own entity is not yet live on this atlas; one of the first ice calorimeters was used by the pair in the winter of 1782-83.
Used In
A calorimeter is one of the measurement devices used in the study of thermodynamics.
Sources
1. Calorimeter (Wikipedia)
WikipediaLead sectionQuote, Lead section
A calorimeter is a device used for calorimetry, or the process of measuring the heat of chemical reactions or physical changes as well as heat capacity.
1. Calorimeter (Wikipedia)
WikipediaHistory sectionQuote, History section
One of the first ice calorimeters was used in the winter of 1782-83 by Lavoisier and Pierre-Simon Laplace.
1. Calorimeter (Wikipedia)
WikipediaOverview sectionQuote, Overview section
A simple calorimeter just consists of a thermometer attached to a metal container full of water suspended above a combustion chamber.
1. Calorimeter (Wikipedia)
WikipediaAdiabatic and isoperibol calorimeters sectionQuote, Adiabatic and isoperibol calorimeters section
semi-adiabatic (isoperibol) calorimeters measure temperature changes up to 10−6 °C
1. Calorimeter (Wikipedia)
1. Calorimeter (Wikipedia)
WikipediaUsed In: Thermodynamics, Applications sectionQuote, Used In: Thermodynamics, Applications section
It is one of the measurement devices used in the study of thermodynamics, chemistry, and biochemistry.
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