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what is the mass (in grams) of the sample?

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter15: Energy And Chemical Change

Section15.2: Heat

Problem 12PP

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Question

A sample of iron absorbs 79.2 J of heat, upon which the temperature of the sample increases from 21.1°C to 28.6°C. If the specific heat of iron is 0.450 J/g-K, what is the mass (in grams) of the sample?

23.5 g

3.38 g

4.75 g

-23.5 g

0.0426 g

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