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A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown sample with a mass of 6.259 grams was placed inside making the water temperature rise up to 25.5°C. The initial temperature of the metal was 86.4°C. The specific heat of water is 4.18 J/g.°C. What is the specific heat (in J/lg-°C) of the unknown sample? (round off final answer to 2 decimal places)

A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown sample with a mass of 6.259 grams was placed inside making the water temperature rise up to 25.5°C. The initial temperature of the metal was 86.4°C. The specific heat of water is 4.18 J/g.°C. What is the specific heat (in J/lg-°C) of the unknown sample? (round off final answer to 2 decimal places)

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown sample with a mass of 6.259 grams was placed inside making the water temperature rise up to 25.5°C. The initial temperature of the metal was 86.4°C. The specific heat of water is 4.18 J/g.°C. What is the specific heat (in J/lg-°C) of the unknown sample? (round off final answer to 2 decimal places)
Transcribed Image Text:A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown sample with a mass of 6.259 grams was placed inside making the water temperature rise up to 25.5°C. The initial temperature of the metal was 86.4°C. The specific heat of water is 4.18 J/g.°C. What is the specific heat (in J/lg-°C) of the unknown sample? (round off final answer to 2 decimal places)
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