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Journal Articles: 43 results
[#94] Hold the Heat: Global Heat Retention, Global Warming and Calorimetry  Joel D. Burley and Harold S. Johnston
Students perform quantitative calorimetric measurements on samples of ice/water heated by incandescent light bulbs and by convection with room-temperature surroundings.
Burley, Joel D.; Johnston, Harold S. J. Chem. Educ. 2008, 85, 224A.
Calorimetry / Thermochemistry
Calorimetry  JCE Editorial Staff
Lists articles describing laboratory exercises using calorimetry measurements.
J. Chem. Educ. 2008, 85, 1130.
Calorimetry / Thermochemistry
An Inexpensive Solution Calorimeter  Emma Kavanagh, Sam Mindel, Giles Robertson, and D. E. Peter Hughes
Describes the construction of a simple solution calorimeter, using a miniature bead thermistor as a temperature-sensing element, that has a response time of a few seconds and made it possible to carry out a thermometric reaction in under a minute.
Kavanagh, Emma; Mindel, Sam; Robertson, Giles; Hughes, D. E. Peter. J. Chem. Educ. 2008, 85, 1129.
Acids / Bases |
Aqueous Solution Chemistry |
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus |
Thermal Analysis |
Thermodynamics
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
Mass-Elastic Band Thermodynamics: A Visual Teaching Aid at the Introductory Level  William C. Galley
Demonstrations of five spontaneous isothermal processes involving the coupling of a mass and elastic band and arising from combinations of enthalpy and entropy changes are presented and then dissected. Analogies are drawn between these processes and common spontaneous molecular events such as chemical reactions and phase transitions.
Galley, William C. J. Chem. Educ. 2007, 84, 1147.
Calorimetry / Thermochemistry |
Thermodynamics
Introduction of Differential Scanning Calorimetry in a General Chemistry Laboratory Course: Determination of Thermal Properties of Organic Hydrocarbons  Ronald D┬ŁAmelia, Thomas Franks, and William F. Nirode
Differential scanning calorimetry (DSC) is a rugged, easy-to-use instrumental method for thermal analysis determinations. The work described herein discusses the use of DSC in a general chemistry laboratory course to determine thermal properties such as melting points, ?fusionH, ?fusionS, and introduce the concept of polymorphism for organic hydrocarbons.
D┬ŁAmelia, Ronald; Franks, Thomas; Nirode, William F. J. Chem. Educ. 2007, 84, 453.
Alkanes / Cycloalkanes |
Instrumental Methods |
Physical Properties |
Thermal Analysis |
Thermodynamics |
Calorimetry / Thermochemistry
Introduction of Differential Scanning Calorimetry in a General Chemistry Laboratory Course: Determination of Molar Mass by Freezing Point Depression  Ronald P. D'Amelia, Thomas Franks, and William F. Nirode
The work described herein uses differential scanning calorimetry to determine the molar mass of three unknowns (nonvolatile organic hydrocarbons) by freezing point depression.
D'Amelia, Ronald P.; Franks, Thomas; Nirode, William F. J. Chem. Educ. 2006, 83, 1537.
Calorimetry / Thermochemistry |
Instrumental Methods |
Thermal Analysis |
Solutions / Solvents
Calories - Who's Counting?   JCE Editorial Staff
Students determine how many calories are released per gram when marshmallows and cashews burn and then compare the quantity of energy available from carbohydrates vs. fats.
JCE Editorial Staff . J. Chem. Educ. 2004, 81, 1440A.
Calorimetry / Thermochemistry |
Carbohydrates |
Lipids |
Consumer Chemistry |
Food Science |
Nutrition |
Fatty Acids
A Chemically Relevant Model for Teaching the Second Law of Thermodynamics  Bryce E. Williamson and Tetsuo Morikawa
Presentation of a chemically relevant model that exemplifies many aspects of the second law: reversibility, path dependence, and extrapolation in terms of electrochemistry and calorimetry.
Williamson, Bryce E.; Morikawa, Tetsuo. J. Chem. Educ. 2002, 79, 339.
Calorimetry / Thermochemistry |
Electrochemistry |
Thermodynamics
The Isothermal Heat Conduction Calorimeter: A Versatile Instrument for Studying Processes in Physics, Chemistry, and Biology  Lars Wadsö, Allan L. Smith, Hamid Shirazi, S. Rose Mulligan, and Thomas Hofelich
A simple but sensitive isothermal heat-conduction calorimeter and five experiments for students to illustrate its use (heat capacity of solids, acid-base titration, enthalpy of vaporization of solvents, cement hydration, and insect metabolism).
Wadsö, Lars; Smith, Allan L.; Shirazi, Hamid; Mulligan, S. Rose; Hofelich, Thomas. J. Chem. Educ. 2001, 78, 1080.
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus |
Thermal Analysis |
Thermodynamics
Boerhaave on Fire  Damon Diemente
This article offers a selection of passages from Boerhaave's chapter on fire. Boerhaave offers demonstrations and experiments that can be instructively performed today, quantitative data that can be checked against modern equations, and much theory and hypothesis that can be assessed in light of modern chemical ideas.
Diemente, Damon. J. Chem. Educ. 2000, 77, 42.
Calorimetry / Thermochemistry |
Thermodynamics
The Enthalpy of Decomposition of Hydrogen Peroxide: A General Chemistry Calorimetry Experiment  Charles J. Marzzacco
The experiment is simple, inexpensive, and colorful. In its simplest form, it can be performed in less than one hour; therefore, it is quite suitable for high school labs, which often have time restrictions. The chemicals required are household or commercial 3% H2O2(aq) and 0.50 M Fe(NO3)3(aq).
Marzzacco, Charles J. J. Chem. Educ. 1999, 76, 1517.
Calorimetry / Thermochemistry |
Catalysis
Demonstrating Heat Changes on the Overhead Projector with a Projecting Thermometer  Chinhyu Hur, Sally Solomon, and Christy Wetzel
Heat changes can be observed by using a culture dish and a thermometer that is projected onto a screen using an overhead projector.
Hur, Chinhyu; Solomon, Sally; Wetzel, Christy. J. Chem. Educ. 1998, 75, 51.
Calorimetry / Thermochemistry |
Solutions / Solvents |
Thermodynamics |
Laboratory Equipment / Apparatus
Heat Capacity, Body Temperature, and Hypothermia  Doris R. Kimbrough
A finger in and out of water are compared to demonstrate the difference between heat capacities and their effect on body temperature.
Kimbrough, Doris R. J. Chem. Educ. 1998, 75, 48.
Calorimetry / Thermochemistry |
Thermodynamics
An Integrated-Circuit Temperature Sensor for Calorimetry and Differential Temperature Measurement  Mark Muyskens
Application of an integrated-circuit (IC) temperature sensor which is easy-to-use, inexpensive, rugged, easily computer-interfacable and has good precision is described. The design, based on the National Semiconductor LM35 IC chip, avoids some of the difficulties associated with conventional sensors (thermocouples, thermistors, and platinum resistance thermometers) and a previously described IC sensor.
Muyskens, Mark. J. Chem. Educ. 1997, 74, 850.
Calorimetry / Thermochemistry |
Thermal Analysis |
Thermodynamics |
Laboratory Equipment / Apparatus |
Instrumental Methods
How Efficient is a Laboratory Burner in Heating Water?  Michael P. Jansen
When a laboratory (or Bunsen) burner is used to heat water, all of the energy liberated by the burning fuel is not absorbed by the water. This article describes a procedure for determining the percentage efficiency of this common apparatus. This experiment is suitable for secondary school students who are familiar with stoichiometry , simple calorimetry, heats of reaction, collection of gas by downward displacement of water.
Jansen, Michael P. J. Chem. Educ. 1997, 74, 213.
Calorimetry / Thermochemistry
Reports from Other Journals: Gleanings from Scientific American  Paul F. Schatz
Scientific American provides a rich resource of background and general interest material for topics of chemical interest that can be used to supplement and enhance chemistry lecture and laboratory courses.
Schatz, Paul F. J. Chem. Educ. 1996, 73, A234.
Drugs / Pharmaceuticals |
Nuclear / Radiochemistry |
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus |
Applications of Chemistry |
Consumer Chemistry |
Laboratory Management
Home-Study Microlabs  Dietmar Kennepohl
This article presents the use of microscaled chemistry experiments for individual home study and how it can be incorporated into a course with traditional laboratory work.
Kennepohl, Dietmar. J. Chem. Educ. 1996, 73, 938.
Microscale Lab |
Solutions / Solvents |
Calorimetry / Thermochemistry |
Qualitative Analysis |
Precipitation / Solubility
Determination of Heats of Fusion: Using Differential Scanning Calorimetry for the AP Chemistry Course   Susan M. Temme
Using differential scanning calorimetry (DSC) in AP chemistry.
Temme, Susan M. J. Chem. Educ. 1995, 72, 916.
Calorimetry / Thermochemistry |
Calorimetry / Thermochemistry |
Physical Properties |
Phases / Phase Transitions / Diagrams |
Thermal Analysis |
Thermodynamics
Calorie Content of Foods: A Laboratory Experiment Introducing Measuring by Calorimeter  Cohen, Bernard L.; Schilken, Catherine A.
Overcoming the challenges posed by determining the calorie content of food by calorimetry.
Cohen, Bernard L.; Schilken, Catherine A. J. Chem. Educ. 1994, 71, 342.
Calorimetry / Thermochemistry |
Food Science
An Economical, Safe, and Sturdy Student Calorimeter  Ruekberg, Ben
Replacing the styrofoam, coffee cup calorimeter with the Snak Jar.
Ruekberg, Ben J. Chem. Educ. 1994, 71, 333.
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus
Bomb calorimeter simulation  Olney, David J.
Simulation of the apparatus and use of a bomb calorimeter; contains nine known samples and eight unknowns.
Olney, David J. J. Chem. Educ. 1990, 67, 922.
Calorimetry / Thermochemistry
Development of a new design for multipurpose meter: "Calo-pH Meter"   Paris, Michel R.; Aymes, Daniel J.; Poupon, Rene; Gavasso, Roland
The purpose of this article is to describe the design of a common box that can be turned into a simple voltmeter, a pH meter, or a calorimeter.
Paris, Michel R.; Aymes, Daniel J.; Poupon, Rene; Gavasso, Roland J. Chem. Educ. 1990, 67, 507.
Laboratory Equipment / Apparatus |
Electrochemistry |
pH |
Calorimetry / Thermochemistry
Wet labs, computers, and spreadsheets  Durham, Bill
The following is a description of some commonly encountered experiments that have been modified for computerized data acquisition.
Durham, Bill J. Chem. Educ. 1990, 67, 416.
Laboratory Computing / Interfacing |
Nuclear / Radiochemistry |
Titration / Volumetric Analysis |
Calorimetry / Thermochemistry |
Kinetics |
Electrochemistry
A clinical digital thermometer for calorimetry  Hon, Ping-Kay
Modifying an inexpensive clinical thermometer for making thermochemical measurements.
Hon, Ping-Kay J. Chem. Educ. 1989, 66, 695.
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus
Heat of vaporization of nitrogen  Hamlet, Peter
A very simple procedure for measuring the heat of vaporization of nitrogen.
Hamlet, Peter J. Chem. Educ. 1987, 64, 1060.
Phases / Phase Transitions / Diagrams |
Physical Properties |
Calorimetry / Thermochemistry
A note concerning safety in bomb calorimetry  Wilson, Leland Y.; Tatum, Roger
Safety measures when using bomb calorimeters.
Wilson, Leland Y.; Tatum, Roger J. Chem. Educ. 1985, 62, 902.
Calorimetry / Thermochemistry
An illustration of applied calorimetry - Dieting students  Perkins, Robert R.
The author shares a question that catches student interest and exemplifies the theoretical concepts of calorimetry.
Perkins, Robert R. J. Chem. Educ. 1981, 58, 548.
Calorimetry / Thermochemistry |
Thermodynamics |
Applications of Chemistry
The heat of combustion of cereals  Glachino, Gary G.
Determining the heat of combustion of common children's cereals.
Glachino, Gary G. J. Chem. Educ. 1980, 57, 372.
Calorimetry / Thermochemistry |
Food Science
Discarded energy: The heat of combustion of garbage  Jensen, Trescott E.; Eatough, Delbert J.; Hansen, Lee D.
Calorimetry data for burning different samples of shredded garbage is found to be higher than that for wood.
Jensen, Trescott E.; Eatough, Delbert J.; Hansen, Lee D. J. Chem. Educ. 1977, 54, 700.
Calorimetry / Thermochemistry |
Applications of Chemistry
A simplified undergraduate calorimetry experiment  Bartle, K. D.; Osborn, P. M.
A glass calorimeter for determining ?H for the neutralization of a strong acid with a strong base.
Bartle, K. D.; Osborn, P. M. J. Chem. Educ. 1973, 50, 637.
Acids / Bases |
Reactions |
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus
Convenient, inexpensive unknowns for oxygen bomb calorimetry  Shearer, Edmund C.
Ordinary aspirin tablets make excellent samples for oxygen bomb calorimetry.
Shearer, Edmund C. J. Chem. Educ. 1972, 49, 410.
Calorimetry / Thermochemistry
The second law - How much, how soon, to how many?  Bent, Henry A.
Discussion of the conceptual components of thermodynamics, their mathematical requirements, and where they might be best placed in the curriculum.
Bent, Henry A. J. Chem. Educ. 1970, 47, 337.
Thermodynamics |
Calorimetry / Thermochemistry
Indirect calorimetry by computer in the general chemistry course  DeMattia, Dennis; Gruhn, Thomas; Gorman, Mel
Describes the use of a Fortran IV program to stimulate student interest in the applications and potential of computer techniques in chemistry.
DeMattia, Dennis; Gruhn, Thomas; Gorman, Mel J. Chem. Educ. 1969, 46, 398.
Calorimetry / Thermochemistry |
Thermodynamics
A calorimeter for general chemistry  Garin, D. L.
Suggests an insulated food jar as a durable and suitable calorimeter for general chemistry.
Garin, D. L. J. Chem. Educ. 1968, 45, 37.
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus
Recent developments in calorimetry: Part two. Some associated measurements (cont.)  Wilhoit, Randolph C.
Examines the measurement of electricity, calorimetric standards, solution calorimetry, and specific types of calorimeters.
Wilhoit, Randolph C. J. Chem. Educ. 1967, 44, A685.
Calorimetry / Thermochemistry |
Instrumental Methods |
Laboratory Equipment / Apparatus
Recent developments in calorimetry (continued) Part 2. Some associated measurements  Wilhoit, Randolph C.
Topics examined include thermocouples, resistance thermometers, thermistors, and quartz crystal thermometers.
Wilhoit, Randolph C. J. Chem. Educ. 1967, 44, A629.
Calorimetry / Thermochemistry |
Instrumental Methods |
Laboratory Equipment / Apparatus
Recent developments in calorimetry. Part 1. Introductory survey of calorimetry  Wilhoit, Randolph C.
Explores the scope and purpose of calorimetric investigation, types of calorimeters, areas of calorimetric investigation and the procedures and calculations involved.
Wilhoit, Randolph C. J. Chem. Educ. 1967, 44, A571.
Calorimetry / Thermochemistry |
Instrumental Methods |
Laboratory Equipment / Apparatus
Thermochemical investigations for a first-year college chemistry course. A survey of existing literature  Ewing, Galen W.
The purpose of this article is to review some of the experiments that appear in the literature involving thermochemistry.
Ewing, Galen W. J. Chem. Educ. 1965, 42, 26.
Calorimetry / Thermochemistry
Calorimetry  Kokes, R. J.; Dorfman, M. K.; Mathia, T.
The freshman chemistry lab involves measuring the heat capacities of nickel and copper and the heats of two neutralization reactions.
Kokes, R. J.; Dorfman, M. K.; Mathia, T. J. Chem. Educ. 1962, 39, 90.
Calorimetry / Thermochemistry
Temperature and power measurements in precision solution calorimetry  O'Hara, William F.; Wu, Ching-Hsien; Hepler, Loren G.
Presents the design of a calorimetric apparatus, and accompanying circuit schematic, and their application to calorimetry measurements.
O'Hara, William F.; Wu, Ching-Hsien; Hepler, Loren G. J. Chem. Educ. 1961, 38, 512.
Calorimetry / Thermochemistry |
Laboratory Equipment / Apparatus
Heat of precipitation: A general chemistry experiment  Clever, H. Lawrence
This heat of precipitation experiment is conducted in a simple calorimeter constructed by each student from an Erlenmeyer flask.
Clever, H. Lawrence J. Chem. Educ. 1961, 38, 470.
Calorimetry / Thermochemistry |
Precipitation / Solubility
A common misunderstanding of Hess' law  Davis, Thomas. W.
The statement, sometimes attributed to Hess, that "In any series of chemical or physical changes the total heat effect is independent of the path by which the system goes from its initial to its final state" is incorrect.
Davis, Thomas. W. J. Chem. Educ. 1951, 28, 584.
Stoichiometry |
Acids / Bases |
Aqueous Solution Chemistry |
Calorimetry / Thermochemistry