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Calories are units of energy. Various definitions exist but fall into two broad categories. The small calorie or gram calorie (symbol: cal) is the approximate amount of energy needed to raise the te...

Units of Heat - <i>BTU, Calorie and Joule</i> - Engineering ToolBox


The most common units of heat are BTU - British Thermal Unit, Calorie and Joule. ... the amount of heat required to raise the temperature of one pound of water ...

Essentials of the SI: Base & derived units


Table 1. SI base units ... energy, work, quantity of heat, joule, J, N·m, m<sup>2</sup>·kg·s<sup>-2</sup> ... The derived unit in Table 3 with the special name degree Celsius and special ...

calorie | unit of measurement | Britannica.com


A unit of energy or heat variously defined. The calorie was originally defined as the amount of heat required at a pressure of 1 standard atmosphere to raise the ...

Word List: Definitions of Units of Measurement - The Phrontistery


abvolt, unit of electrical potential equal to one hundred millionth of a volt. acre- breadth, old unit of ... calorie, unit of heat or heat-producing value. candela, unit of ...

Definitions of the SI Units and other Units of Measurement


The atomic mass unit in grams, is equal to one divided by this number. ... A unit of heat energy defined as the amount of heat required to raise the temperature of ... The word cubic place before a unit name of length to indicate a unit of volume.

Energy Units - American Physical Society


Historically the calorie was defined in terms of the heating of water. Thus, in a traditional definition, one calorie is the amount of heat required to raise the ...

Calorie | Definition of Calorie by Merriam-Webster


Define calorie: a unit of heat used to indicate the amount of energy that foods will produce in the human ... small calorie b : the amount of heat required to raise the temperature of one kilogram of water one .... How Icy Greenland Got Its Name.

SI Units - Chemie - Freie Universität Berlin


Jan 26, 2009 ... Quantity, Name, Symbol; SI Prefixes; SI Derived Units; cgs Units ... hecto h 10<sup>1</sup> E 1 deca da 10<sup>-1</sup> E -1 deci d 10<sup>-2</sup> E -2 centi c 10<sup>-3</sup> E -3 milli m 10<sup>-6</sup> ... Energy, work , quantity of heat: joule: J = N m = m<sup>2</sup> kg/s<sup>2</sup>: Power, radiant flux ...

Units: CGS and MKS - The University of North Carolina at Chapel Hill


Following is a table of CGS units with their SI equivalents. Note that in some cases there is more than one name for the same unit. The CGS ... heat energy.

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heat: Measures of Heat - Infoplease


The amount of heat needed to raise a unit of mass of the substance one degree of temperature is called the specific heat of the substance. Because of the way in  ...

Heat unit - definition of heat unit by The Free Dictionary


Noun, 1. heat unit - a unit of measurement for work. energy unit, work unit · unit, unit of measurement - any division of quantity accepted as a standard of ...

SI Units


Wikipedia The SI unit of temperature, defined as 1/273.16 of the ... was adopted as the name for the MKS (direct predecessor of the SI) unit of force in 1948. .... K - 1 .mol -1 Derived SI unit of heat capacity per mole Molar heat capacity is the ...