A coffee cup calorimeter contains water at an initial temperature of 20°C and is calculated to have a calorimeter constant (heat capacity) of 75 J/°C. A 28 g piece of an unknown metal is removed from a pot of boiling water with a temperature of 100°C and placed into the calorimeter. The contents of the calorimeter come to an average temperature of 27 °C. What is the specific heat capacity of the metal? A) 0.26 J/g C B) 3.89 J/g °C C) 4.18 J/g-°C D) 7.19 J/g-°C E) 75 J/g-°C
A coffee cup calorimeter contains water at an initial temperature of 20°C and is calculated to have a calorimeter constant (heat capacity) of 75 J/°C. A 28 g piece of an unknown metal is removed from a pot of boiling water with a temperature of 100°C and placed into the calorimeter. The contents of the calorimeter come to an average temperature of 27 °C. What is the specific heat capacity of the metal? A) 0.26 J/g C B) 3.89 J/g °C C) 4.18 J/g-°C D) 7.19 J/g-°C E) 75 J/g-°C
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 39PS: A piece of titanium metal with a mass of 20.8 g is heated in boiling water to 99.5 C and then...
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Question 28 of 30
A coffee cup calorimeter contains water at an initial temperature of 20°C and is
calculated to have a calorimeter constant (heat capacity) of 75 J/°C. A 28 g piece
of an unknown metal is removed from a pot of boiling water with a temperature of
100°C and placed into the calorimeter. The contents of the calorimeter come to an
average temperature of 27 °C. What is the specific heat capacity of the metal?
A) 0.26 J/g.°C
B) 3.89 J/g.°C
C) 4.18 J/g.°C
D) 7.19 J/g.°C
E) 75 J/g. °C
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