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Author Question: A 112.8-g piece of a certain metal at 100.0C is added to a 140.0-g sample of water at 25.0C . After ... (Read 478 times)

tatyanajohnson

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Question 1

30.0 mL of pure water at 282 K is mixed with 50.0 mL of pure water at 345 K. What is the final temperature of the mixture?

314 K
321 K
440 K
627 K
63 K

Question 2

A 112.8-g piece of a certain metal at 100.0°C is added to a 140.0-g sample of water at 25.0°C . After thermal equilibrium is established, the (final) temperature of the mixture is 29.6°C. What is the specific heat capacity of the metal, assuming it is constant over the temperature range concerned?

0.34 J/g°C
0.68 J/g°C
0.22 J/g°C
2.9 J/g°C
None of these are correct


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Marked as best answer by tatyanajohnson on Mar 21, 2021

mjenn52

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