alleryStart learning →How does the nutritional Calorie written with a capital C relate to the ordinary calorie?
AOne Calorie equals 1000 ordinary calories
BOne Calorie equals 100 ordinary calories
COne Calorie equals one ordinary calorie
DOne Calorie equals 4.184 ordinary calories
Answer & Solution
Correct answer: A. One Calorie equals 1000 ordinary calories
1. The capital C Calorie, also called the large calorie, is used for food energy.
2. It is a kilocalorie, so one Calorie equals 1000 ordinary calories.
3. That is also 1 kcal, roughly the energy needed to heat 1 kg of water by 1 degree Celsius.
4. Reading a food label in small calories would overstate the figure a thousandfold.
5. The factor 4.184 converts calories to joules, which is a different conversion.
_Source: OpenStax Chemistry (CC BY 4.0), Ch 5 "Thermochemistry", section 5.1 Energy Basics_
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