in 30 Minutes Workouts?
See how many calories you really burn during a 30-minute workout. Did you notice that you burn more calories in swimming than running?
What is a calorie?
Newton is the mass weight of 100 grams on earth.
1 kcal = 4.184 joule
1 kcal = 1000 calories
Food energy is measured using a calorimeter, this is an object used to measure the calories in food. It is the process of measuring the heat of chemical reactions or physical changes as well as heat capacity.
A simple calorimeter consists of a thermometer attached to a metal container full of water suspended above a combustion chamber. Two substances are added to the calorimeter; the initial and final temperature are noted – the reaction before and after the process.
Multiplying the temperature changes by the mass and specifies heat capacities of the substances gives value for the energy given off or absorbed during the reaction.
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