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we use kilojoules (kJ) to measure how much energy people get from consuming a food or drink. The kilojoule content of foods depends on the amount of carbohydrates, fats and proteins present in the food, and the portion size. a joule is so small that energy is often measured in batches of 1000 joules. A batch of 1000 joules is known as a kilojoule (kJ). ... Food energy is commonly measured in kilojoules (kJ). Even larger amounts of energy, such as electrical energy, are measured in megajoules (MJ).
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Why the energy in food is usually stated in kilojoules rather than joule?
we use kilojoules (kJ) to measure how much energy people get from consuming a food or drink. The kilojoule content of foods depends on the amount of carbohydrates, fats and proteins present in the food, and the portion size. a joule is so small that energy is often measured in batches of 1000 joules. A batch of 1000 joules is known as a kilojoule (kJ). ... Food energy is commonly measured in kilojoules (kJ). Even larger amounts of energy, such as electrical energy, are measured in megajoules (MJ).
Food energy is commonly expressed in kcalories and in?
... and in the SI unit for energy, i.e., the Joule. Kilojoules
Why is food measured in kilojoules?
It is a more convenient unit of measurement.
How many kiljoules are in one joule?
There are 0.001 kilojoules in one joule.
What are kilojoules and calories?
1 calorie is the old fashioned unit of energy. 1 Joule is the SI unit of energy and is the same as a newton.meter
Who are bigger a joule or a megaton?
How many kilojoules in 1 megajoules? The answer is 1000. We assume you are converting between kilojoule and megajoule. You can view more details on each measurement unit: kilojoules or megajoules. The SI derived unit for energy is the joule. 1 joule is equal to 0.001 kilojoules, or 1.0E-6 megajoules
How many kilojoules in a kilogram?
It depends on the materia. 1 kg fat contains more calories (joule) than 1 kg water
In chemistry what does KJ mean?
That is an abbreviation for a kilojoules, a metric measure of energy.
How man killijoules are in one joule?
There are 0.001 kilojoules in one joule. This is because 1 kilojoule is equivalent to 1000 joules.
Why do you use kilojoules to measure?
Some times the amount of energy will be in larger amount. If we use joule then larger number with many zeros has to be used. So we use kilo joule then smaller number would fulfill our need.
What is the unit for elastic energy?
The measure for any type of energy is joules.
What energy is measure in?
A: Energy is measured in joules and kilojoules. One joule is the amount of energy needed to lift 100 grams to 1 kiliogram.
