what is the scientific definition of calorie
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calorie calorie. any of several units of heat defined as the amount of heat required to raise the temperature of 1 gram of water by 1 degree Celsius (1°C) at a specified temperature. The calorie used in chemistry and biochemistry is equal to 4.184 joules. Symbol cal.
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- The Calorie is a unit of energy. Actually, the Calorie used to describe the energy. content of foods is sometimes known as the big Calorie because it is really equal to. 1000 little calories (note how the big Calorie is capitalized, but the little calorie is. not). Thus sometimes we refer to the big Calorie as being equal to one kilocalorie.
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Calorie The small calorie is also often used for measurements in chemistry, although the amounts involved are typically recorded in kilocalories. The calorie was first defined by Nicolas Clément in 1824 as a unit of heat energy and entered French and English dictionaries between 1841 and 1867.
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Calorie Calories are used to describe the energy-producing potential of food. A one gram calorie is equal to 4.1840 joules. Joule (which is an SI unit) is now more preferred over calorie (which is nonSI unit) for measuring heat energy. Word origin: from Latin calor, heat. Abbreviation: cal (gram calorie) or kcal (kilocalorie) Variant: calory. Related terms: Kilocalorie
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Calorie and Kilojoules: What Exactly Are They? A calorie is a unit of energy. Technically a calorie is the amount of heat energy required to raise the temperature of 1 gram of water up 1 degree Celsius (1.8 degrees Fahrenheit).When applied to food, we are actually talking about a kiloCalorie (1000 calories).echnically a calorie is the amount of heat energy required to raise the temperature of 1 gram of water up 1 degree Celsius (1.8 degrees Fahrenheit).
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Calorie The second is the large calorie or kilogram calorie (symbol: Cal), also known as the food calorie and similar names, is defined in terms of the kilogram rather than the gram. It is equal to 1000 small calories or 1 kilocalorie (symbol: kcal).
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Energy in food For this lab exercise, you will indirectly measure the amount of Calories in couple of food items using a calorimeter. A calorimeter (calor = Latin for heat) is a device that measures the heat generated by a chemical reaction, change of state, or formation of a solution.hen we eat food, our bodies convert the stored energy, known as Calories, to chemical energy, thereby allowing us to do work. A calorie is the amount of heat (energy) required to raise the temperature of 1 gram (g) of water 1 degree Celsius (C).
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calorie any of several units of heat defined as the amount of heat required to raise the temperature of 1 kilogram of water by 1 degree Celsius (1°C) at a specified temperature. The calorie used in chemistry and biochemistry is equal to 4.184 joules. Symbol cal.
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What is the scientific definition of calorie? The second most important is: the thermodinamical calorie is 4.184 J exacly the Cv of most substances is not linear (water included), so the amount of energy to raise 1 gram of water from 1°C to 2°C is different to raise 1 gram of water from 60°C to 61°C for example.
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- Asked by: Dee Hampton. They are both units of energy, but the dietary Calorie (note the use of upper case 'C') equals 1000 'physics' calories. The physics calorie represents an amount of energy needed to raise (or lower) one gram of liquid water by one centigrade degree.
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What is calorie a measure of? Best Answer: The kilogram calorie, large calorie, food calorie or Calorie (capital C) is the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius. Total calorie intake vs calorie burning is how you gain or lose weight. Calories are a measure of the amount of energy a food contains. In fact to determine calorific values foods are actually burnt to see how much energy they produce.
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What is the difference between a calorie and a food calorie? Large calories: This is also called as kilogram calorie, dietary calorie, nutritionist's calorie or food calorie. It is the energy required to increase the temperature of 1 kg of water by 1 degree C under 1 atmospheric pressure.
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Measurement of Energy 1 calorie = 0.003969 BTUs. Food Calorie, Kilocalorie or large calorie (Cal, kcal, Calorie) The amount of energy needed to raise the temperature of one kilogram of water one degree Celsius. The food calorie is often used when measuring the energy content of food.
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Top 20 Doctor insights on: Minimum Amount Of Calories Needed Per Day To Survive Calorie (Definition) A calorie is the amount of heat energy needed to increase a mililiter of water 1 degree centigrade, the calorie we talk about in foods is really a kilocalorie, that is the amount of energy needed to increase a liter of water 1 degree centigrade...
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What's the difference between a science calorie and a food calorie? the science calorie (little c) is a measure of heat energy the food calorie (big C) is a measure of energy that we burn, but it is equal to 1,000 science calories so 1 big C is equal to 1,000 little c's.
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What Is a Calorie? A calorie isn't actually a thing, it's a unit of measurement. A calorie measures the amount of energy in the food and beverages that we consume. We all need this energy to live and stay healthy. Everything we do relies on the energy that comes in the form of calories.
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- Calorimetry is the study of heat transfer resulting from chemical processes. The root of the word is calor, which derives from the Latin word for heat. Every reaction either gives off energy or absorbs energy, and calorimetry is a means whereby that transfer of energy (typically in the form of heat) may be measured.
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What's the difference between a science calorie and a food calorie? Define calorie: the amount of heat required at a pressure of one atmosphere to raise the temperature of one gram of water one degree Celsius that is …
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The Definition and Importance of Calories Calories provide the energy that fuels your cells. As a general scientific term, a calorie is defined as the amount of heat required to increase the temperature of a unit of water from zero degrees Celsius to 1 degree. In nutrition, a calorie represents a unit of energy that comes from the foods you eat.
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- Calorie is the amount of energy found in food. It is a unit for measuring heat equal to the amount of heat required to raise the temperature of one gram of water one degree Celsius. Your diet should be anywhere from 2000 to 2500 calories a day, depending on output.
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- One kilogram calorie (kcal, also known as a 'food calorie' or (capital C) Calorie) is the amount of energy required to raise the temperature of one litre (or one kilogram) of water by 1 degree Celsius.+ 30 others found this useful.UT  if you are asking about something related to foods...then yes, the  answer is still 268.5.   Comment   The original answer is correct. Capitalising the word 'calorie'  doesn't make it 1000 calories-that would be a kilocalorie.
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How do they actually measure the calorie content for different foods? The energy contained in our food is measured in terms of calories (cal) and joules (J). Technically, one calorie is the amount of energy required to raise the temperature of 1 gram of water by 1 degree Celsius (1.8 degrees Fahrenheit).nergy intake. The amount of energy we absorb through our food intake is commonly called the energy intake, and it is the fuel of our body. Each food contains a certain amount of energy which depends on its composition.
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What Do Calories Mean in Food and Exercise? A calorie is a measure of energy expenditure and stored energy. The calories referred to in diet (calories eaten) and exercise (calories burned) are kilocalories (kcal). One kilocalorie is equal to the amount of heat that will raise the temperature of one kilogram of water by one degree Celsius at sea level.
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- Calorie, kilocalorie, kilogram calorie, large calorie, nutritionist's calorie-a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food.Translations.oun. 1. Calorie-a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food.