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Calorie and Specific Heat of Water

The calorie is an energy unit equal to about 4.2 joules. It is defined as the amount of heat required to raise one gram of water by one degree Celsius. An average person has a mass of around 68 kg. About how much energy would be required to raise an equal mass amount of water from room temperature (24 degrees celsius) to body temperature (36 degrees celsius)?

A. 3.4 J
B. 194 J
C. 3.4 kJ
D. 194 kJ
E. 3.4 MJ
F. 194 MJ

Solution Preview

68 kg = 68,000 g

From 24 degrees Celsius to 36 degrees Celsius = 12 degrees Celsius.

Therefore, we are ...

Solution Summary

This solution contains step-by-step calculations to determine the energy required to raise an equal mass amount of water from 24 degrees celsius to 36 degrees celsius. All workings and formulas are included.

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