A hot 104.4 g lump of an unknown substance initially at Substance Specific heat (J/(g•°C)) 173.7 °C is placed in 35.0 mL of water initially at 25.0 °C aluminum 0.897 and the system is allowed to reach thermal equilibrium. The graphite 0.709 final temperature of the system is 74.9 °C. rhodium 0.243 titanium 0.523 Using this information and the specific heat values for tungsten 0.132 several metals in the table, identify the unknown substance. zinc 0.388 Assume no heat is lost to the surroundings. water 4.184 titanium graphite tungsten aluminum rhodium zinc

A hot 104.4 g lump of an unknown substance initially at Substance Specific heat (J/(g•°C)) 173.7 °C is placed in 35.0 mL of water initially at 25.0 °C aluminum 0.897 and the system is allowed to reach thermal equilibrium. The graphite 0.709 final temperature of the system is 74.9 °C. rhodium 0.243 titanium 0.523 Using this information and the specific heat values for tungsten 0.132 several metals in the table, identify the unknown substance. zinc 0.388 Assume no heat is lost to the surroundings. water 4.184 titanium graphite tungsten aluminum rhodium zinc

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A hot 104.4 g lump of an unknown substance initially at
Substance
Specific heat (J/(g•°C))
173.7 °C is placed in 35.0 mL of water initially at 25.0 °C
aluminum
0.897
and the system is allowed to reach thermal equilibrium. The
graphite
0.709
final temperature of the system is 74.9 °C.
rhodium
0.243
titanium
0.523
Using this information and the specific heat values for
tungsten
0.132
several metals in the table, identify the unknown substance.
zinc
0.388
Assume no heat is lost to the surroundings.
water
4.184
titanium
graphite
tungsten
aluminum
rhodium
zinc

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