I take 100.0 grams of frozen rice out of the freezer at -4.0 degrees C, then heat it until all its water boils away. If 70.0% of this rice is water by mass, how many Joules of energy did this process require? (HINT: the heat capacity of ice is 2.108 J/ (g x degrees C).)

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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I take 100.0 grams of frozen rice out of the
freezer at -4.0 degrees C, then heat it until
all its water boils away. If 70.0% of this rice is
water by mass, how many Joules of energy
did this process require? (HINT: the heat
capacity of ice is 2.108 J/ (g x degrees C).)
Transcribed Image Text:I take 100.0 grams of frozen rice out of the freezer at -4.0 degrees C, then heat it until all its water boils away. If 70.0% of this rice is water by mass, how many Joules of energy did this process require? (HINT: the heat capacity of ice is 2.108 J/ (g x degrees C).)
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