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However, the kcal is not officially part of the International System of Units (SI), and is regarded as obsolete, [2] having been replaced in many uses by the SI derived unit of energy, the joule (J), [9] or the kilojoule (kJ) for 1000 joules.
According to the FAO, the average minimum daily energy requirement is approximately 8,400 kilojoules (2,000 kcal) per adult and 4,200 kilojoules (1,000 kcal) a child. [3] This data is presented in kilojoules, as most countries today use the SI unit kilojoules as their primary measurement for food energy intake, [ 4 ] with the exception of the ...
For an overall efficiency of 20%, one watt of mechanical power is equivalent to 18 kJ/h (4.3 kcal/h). For example, a manufacturer of rowing equipment shows calories released from "burning" food as four times the actual mechanical work, plus 1,300 kJ (300 kcal) per hour, [16] which amounts to about 20% efficiency at 250 watts of mechanical output.
Partner sex may take a bit more energy, but you're still only burning around 4.2 calories a minute, according to a small study done by scientists at the University of Montreal in 2013.
the small calorie (gram-calorie, cal) is 4.184 J exactly. It was originally defined so that the specific heat capacity of liquid water would be 1 cal/(°C⋅g). The grand calorie (kilocalorie, kilogram-calorie, food calorie, kcal, Cal) is 1000 small calories, 4184 J exactly. It was defined so that the specific heat capacity of water would be 1 ...
KCAL-FM, a radio station (96.7 FM) licensed to Redlands, California, United States; KCAL-TV, a television station (channel 9) licensed to Los Angeles, California, United States; kcal, kilocalorie (1,000 calories), a unit of energy (sometimes referred to as 1 Calorie, with a capital C, as opposed to a small c).
Glover's family announced the anchor’s death to CBS affiliate KCAL, where he was an anchor for just over a year, on Tuesday, Nov. 5. His family said the Emmy award-winner "was a beacon of light ...
It is defined as one kilocalorie of energy (1000 thermochemical gram calories) per one mole of substance. The unit symbol is written kcal/mol or kcal⋅mol −1. As typically measured, one kcal/mol represents a temperature increase of one degree Celsius in one liter of water (with a mass of 1 kg) resulting from the reaction of one mole of reagents.