A fruit and oatmeal bar contains 142 nutritional calories. Convert this energy to calories

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Chemistry

19 February, 17:48

A fruit and oatmeal bar contains 142 nutritional calories. Convert this energy to calories

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Jenna · Answer 1

Answer is: a fruit and oatmeal bar contains 142000 calories.

A nutritional calorie, or kilocalorie, is equal to 1000 calories.

E = 142 kcal · 1000 cal/kcal.

E = 142 000 cal.

Calorie (cal), or small calorie, is the amount of energy needed to heat one gram of water by one degree Celsius.

One small calorie is approximately 4.2 joules.

A calorie is a unit of energy.