A hot 111.6 g lump of an unknown substance initially at Substance Specific heat (J/(g.°C)) 150.0 °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 60.6 °C. rhodium 0.243 titanium 0.523 Using this information and the specific heat values for tungsten 0.132 zinc 0.388 several metals in the table, identify the unknown substance. Assume no heat is lost to the surroundings. water 4.184

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 16PS: A 237-g piece of molybdenum, initially at 100.0 C, is dropped into 244 g of water at 10.0 C. When...
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A hot 111.6 g lump of an unknown substance initially at
Substance
Specific heat (J/(g•°C))
150.0 °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 60.6 °C.
rhodium
0.243
titanium
0.523
Using this information and the specific heat values for
tungsten
0.132
zinc
0.388
several metals in the table, identify the unknown substance.
water
4.184
Assume no heat is lost to the surroundings.
Transcribed Image Text:A hot 111.6 g lump of an unknown substance initially at Substance Specific heat (J/(g•°C)) 150.0 °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 60.6 °C. rhodium 0.243 titanium 0.523 Using this information and the specific heat values for tungsten 0.132 zinc 0.388 several metals in the table, identify the unknown substance. water 4.184 Assume no heat is lost to the surroundings.
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