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5 Assessment Questions
11 Journal Articles
9 Other Resources
Assessment Questions: First 3 results
Thermochemistry : HeatCapacityGraph (6 Variations)

Consider the graph above. Which of these substances has the highest specific heat capacity?


Calorimetry / Thermochemistry |
Heat Capacity
Thermochemistry : HeatCapacitySolLiq (4 Variations)
The Table below lists the specific heat capacities of several metals and liquids.

Substance Specific Heat Capacity
J/(g.oC)
Substance Specific Heat Capacity
J/(g.oC)
Al 0.902 H2O 4.18
Fe 0.451 C2H5OH 2.46
Cu 0.383 CCl4 0.861
Au 0.128 CCl2F2 0.598

In an experiment, 50 g of a metal was heated to 100oC and placed in 200 g of a liquid at 25oC. Which of the following combinations of metal and liquid will produce the largest temperature increase in the liquid? (Assume that there is no transfer of energy to the surroundings.)


Calorimetry / Thermochemistry |
Heat Capacity
Thermochemistry : HeatCapacityLiq (4 Variations)
100 g of water (c=4.184 J/g.oC), 100 g of ethanol (c=2.46 J/g.oC), 100 g of carbon tetrachloride (c=0.861 J/g.oC), and 100 g of ethylene glycol (c=2.42 J/g.oC) at 50oC were each placed into a separate coffee cup calorimeter and the temperature recorded. The temperature of the surroundings was 20oC. After one hour the temperature of which substance would have changed by the largest amount? Assume that the rate of heat transfer from the coffee cup to the surroundings was the same in each case.
Calorimetry / Thermochemistry |
Heat Capacity
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Journal Articles: First 3 results.
Pedagogies:
Introduction of Differential Scanning Calorimetry in a General Chemistry Laboratory Course: Determination of Heat Capacity of Metals and Demonstration of the Law of Dulong and Petit  Ronald P. D'Amelia, Vincent Stracuzzi, and William F. Nirode
The work described herein discusses the use of differential scanning calorimetry in a general chemistry laboratory course to determine the specific heat capacities of metals and introduce the empirical law of Dulong and Petit.
D'Amelia, Ronald P.; Stracuzzi, Vincent; Nirode, William F. J. Chem. Educ. 2008, 85, 109.
Calorimetry / Thermochemistry |
Heat Capacity |
Instrumental Methods |
Thermal Analysis
Dulong and Petit's Law: We Should Not Ignore Its Importance  Mary Laing and Michael Laing
This article describes two student exercises: the determination of the specific heat of a metal and hence its atomic weight and a graphical study of specific heat versus atomic weight for different groups of metals and the confirmation of Dulong and Petit's law.
Laing, Mary; Laing, Michael. J. Chem. Educ. 2006, 83, 1499.
Calorimetry / Thermochemistry |
Heat Capacity |
Metals |
Periodicity / Periodic Table
The q/T Paradox: Which "Contains More Heat", a Cup of Coffee at 95°C or a Liter of Icewater?  Ed Vitz and Michael J. Schuman
In this demonstration, heat is removed from 10 cm3 of water at ~95C and 42 cm3 of water at ~0C by adding each to a measured sample of liquid nitrogen. The heat removed from the water boils the N2(l), and the quantity of liquid nitrogen that is evaporated by boiling is determined. The quantity of heat that was absorbed is calculated from the heat of vaporization of liquid nitrogen and found to be about 10,000 J in the case of the hot water and 25,000 J in the case of the icewater.
Vitz, Ed; Schuman, Michael J. J. Chem. Educ. 2005, 82, 856.
Calorimetry / Thermochemistry |
Heat Capacity |
Phases / Phase Transitions / Diagrams |
Thermodynamics
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Other Resources: First 3 results
Heat Capacity and Microscopic Changes  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Heat Capacity |
Kinetic-Molecular Theory
Heat Capacities  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Heat Capacity
Kinetic Theory of Gases: Postulates of the Kinetic Theory  Ed Vitz, John W. Moore
A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Kinetic-Molecular Theory
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