the measure of energy from food
Having no calories.
The energy needed to raise one gram of water through one degree
The definition of a calorie is that, it's the energy needed to increase the temperature of 1 kilogram of water by 1 °C.
That is the definition of a calorie. It is equal to 4.1868 joules.
Depends on how high you want to raise the gram of water ;).
Its a calorie
Roughly 4.18400 joules Raising 1 gram of water 1 degree c requires 1 calorie (the definition of calorie includes the actual starting temperature, I think something like 3 degrees celsius). 1 calorie = 4.18400 joules
A nutritional Calorie is 1000 times a chemical calorie.
The definition of a calorie has to do with the specific haet of water. The gram calorie (abbreviated "cal") is the amount of energy needed to heat one gram of water by one degree celsius (centigrade). The kilogram calorie (abbreviated "C") is the amount of energy needed to heat one kilogram of water by one degree celsius. Thus one C equals one kcal or "kilo calorie" often found on food packs enegry declaration and such. One cal equals about 4.2 Joules which is the scientific standar unit for energy.
The difference between a calorie and a Calorie is calorie is a smaller unit than Calorie and it takes 1000 calorie's to make a Calorie. The Calorie (kilocalorie, kcal) is 1000 calories - a more useful unit and widely used.
a scientific name for a calorie is a kilo calorie
The Calorie.