[Solved] How Many Joules Are There In 1 Calorie?

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Question

Download Solution PDFHow many joules are there in 1 calorie?
  1. 0.239 J
  2. 4.186 J
  3. 2.439 J
  4. 0.864 J

Answer (Detailed Solution Below)

Option 2 : 4.186 J India's Super Teachers for all govt. exams Under One Roof FREE Demo Classes Available* Enroll For Free Now

Detailed Solution

Download Solution PDF
  • 1 calorie contains 4.186 joules.
  • Both the calorie and joules are units of measurements of energy
  • The SI (standard) unit of energy is the joule which is defined as the amount of energy exerted when one newton of force is used for a displacement of one meter
  • One calorie is traditionally defined as the amount of heat energy required to raise the temperature of 1 gram of water by 1 ºC at atmospheric pressure
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