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Physics / University Physics 13 / Chapter 17 / Problem 58E

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

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A glass vial containing a 16.0-g sample of an enzyme is

Chapter 17, Problem 58E

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QUESTION:

A glass vial containing a 16.0-g sample of an enzyme is c??led in an ice bath. The bath contains water and 0.120 kg of ice. The sample has specific heat 2250 J/kg · K; the glass vial has mass 6.00 g and specific heat 2800 J/kg · K. How much ice melts in c??ling the enzyme sample from r??m temperature (19.5°C) to the temperature of the ice bath?

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QUESTION:

A glass vial containing a 16.0-g sample of an enzyme is c??led in an ice bath. The bath contains water and 0.120 kg of ice. The sample has specific heat 2250 J/kg · K; the glass vial has mass 6.00 g and specific heat 2800 J/kg · K. How much ice melts in c??ling the enzyme sample from r??m temperature (19.5°C) to the temperature of the ice bath?

ANSWER:

Solution 58E Step 1 Since the mixture contain both ice and water, the temperature of ice and water is 0°C. Hence the final temperature of the vial and sample will be 0°C.

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