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Asked by Jane

The human body obtains 885 kJ of energy from a chocolate chip cookie.


If this energy were used to vaporize at 100 degree Celsius, how many grams of water could be vaporized? The heat of vaporization of water at 100 degrees Celsius is 40.7 kJ/mole.
9 years ago

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Answered by DrBob222
40.7 kJ/mol x #mols H2O = 885 kJ
Solve for #mols H2O and convert to grams. g = mols x molar mass
9 years ago
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