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Solved: The human body obtains 1078 kJ from a candy bar. If this energy were used to
Chapter 12, Problem 56P(choose chapter or problem)
The human body obtains 1078 kJ from a candy bar. If this energy were used to vaporize water at \(100^{\circ} \mathrm{C}\), how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)
Equation Transcription:
Text Transcription:
100 degrees C
Questions & Answers
QUESTION:
The human body obtains 1078 kJ from a candy bar. If this energy were used to vaporize water at \(100^{\circ} \mathrm{C}\), how much water in liters could be vaporized? (Assume that the density of water is 1.0 g/mL.)
Equation Transcription:
Text Transcription:
100 degrees C
ANSWER:
Solution 56P
Step 1:
Given and known values are :
Heat available to the body =1078 kJ.
Heat of vaporisation of water at 100 oC.
It is clearly given that all the 1078 kJ should be used to vaporize water at 100oC.
Molecular weight of water =18g/mol.