Journal Articles: 35 results 

The Penny Experiment Revisited: An Illustration of Significant Figures, Accuracy, Precision, and Data Analysis Joseph Bularzik In this general chemistry laboratory the densities of pennies are measured by weighing them and using two different methods to measure their volumes. The average and standard deviation calculated for the resulting densities demonstrate that one measurement method is more accurate while the other is more precise. Bularzik, Joseph. J. Chem. Educ. 2007, 84, 1456.
Chemometrics 
Nomenclature / Units / Symbols 
Nonmajor Courses 
Physical Properties

Teaching Mathematics to Chemistry Students with Symbolic Computation J. F. Ogilvie and M. B. Monagan The authors explain how the use of mathematical software improves the teaching and understanding of mathematics to and by chemistry students while greatly expanding their abilities to solve realistic chemical problems. Ogilvie, J. F.; Monagan, M. B. J. Chem. Educ. 2007, 84, 889.
Chemometrics 
Computational Chemistry 
Fourier Transform Techniques 
Mathematics / Symbolic Mathematics 
Nomenclature / Units / Symbols

An Interactive Graphical Approach to Temperature Conversions Jonathan Mitschele Activity to demonstrate the relationship between the Fahrenheit and Celsius temperature scales by graphing measurements of English and metricunit thermometers. Mitschele, Jonathan. J. Chem. Educ. 2002, 79, 1235.
Nomenclature / Units / Symbols 
Chemometrics 
Calorimetry / Thermochemistry

CHEMiCALC (4000161) and CHEMiCALC Personal Tutor (4001108), Version 4.0 (by O. Bertrand Ramsay) Scott White and George Bodner CHEMiCALC is a thoughtfully designed software package developed for use by high school and general chemistry students, who will benefit from the personal tutor mode that helps to guide them through unit conversion, empirical formula, molecular weight, reaction stoichiometry, and solution stoichiometry calculations. White, Scott; Bodner, George M. J. Chem. Educ. 1999, 76, 34.
Chemometrics 
Nomenclature / Units / Symbols 
Stoichiometry

Temperature Scale Conversion as a Linear Equation: True Unit Conversion vs ZeroOffset Correction Reuben Rudman The equation used for the interconversion between the Fahrenheit and Celsius temperature scales is in reality the general case of the straightline equation (y = ax + b). This equation is the paradigm for many of the calculations taught in introductory chemistry. Rudman, Reuben. J. Chem. Educ. 1998, 75, 1646.
Nomenclature / Units / Symbols 
Chemometrics

Dimensional Analysis: An Analogy to Help Students Relate the Concept to Problem Solving James R. McClure Using dominoes to help students understand the conversion factor method of dimensional analysis. McClure, James R. J. Chem. Educ. 1995, 72, 1093.
Nomenclature / Units / Symbols 
Chemometrics

Celsius to FahrenheitQuick and Dirty Colin Hester Simple algorithm for converting Celsius temperature to Fahrenheit temperature. Hester, Colin. J. Chem. Educ. 1995, 72, 1026.
Calorimetry / Thermochemistry 
Nomenclature / Units / Symbols 
Chemometrics

Those Baffling Subscripts Arthur W. Friedel and David P. Maloney Study of the difficulties students have in interpreting subscripts correctly and distinguishing atoms from molecules when answering questions and solving problems. Friedel, Arthur W.; Maloney, David P. J. Chem. Educ. 1995, 72, 899.
Nomenclature / Units / Symbols 
Stoichiometry 
Chemometrics

Measuring with a Purpose: Involving Students in the Learning Process Metz, Patricia A.; Pribyl, Jeffrey R. Constructivist learning activities for helping students to understand measurement, significant figures, uncertainty, scientific notation, and unit conversions. Metz, Patricia A.; Pribyl, Jeffrey R. J. Chem. Educ. 1995, 72, 130.
Nomenclature / Units / Symbols 
Chemometrics 
Constructivism

Symbolic Algebra and Stoichiometry DeToma, Robert P. Applying symbolic algebra (instead of the factorlabel method) to stoichiometry calculations. DeToma, Robert P. J. Chem. Educ. 1994, 71, 568.
Chemometrics 
Nomenclature / Units / Symbols

The metric system Mason, Lynn M. Metric conversions commonly encountered in chemistry and biology, with tests over each lesson. Mason, Lynn M. J. Chem. Educ. 1992, 69, 818.
Nomenclature / Units / Symbols 
Enrichment / Review Materials 
Chemometrics

A mole of salt crystalsOr how big is the Avogadro number? Hoyt, William. Calculations designed to help students put the size of Avogadro's number into perspective. Hoyt, William. J. Chem. Educ. 1992, 69, 496.
Nomenclature / Units / Symbols 
Chemometrics

A significant example: How many days in a century? Lisensky, George Calculating the number of days in a century can help clarify the subject of significant figures. Lisensky, George J. Chem. Educ. 1990, 67, 562.
Nomenclature / Units / Symbols 
Chemometrics

Exception to solving chem problems without the factorlabel approach (the author replies) Cardulla, Frank There are other ways to teach problem solving, and they can produce competent, successful, and enthusiastic students. Cardulla, Frank J. Chem. Educ. 1989, 66, 1066.
Chemometrics 
Nomenclature / Units / Symbols

Exception to solving chem problems without the factorlabel approach Gillette, Marcia L. The classroom analogy Cardulla uses could be made much more meaningful if it were used to demonstrate the relation between what is obvious and what is not. Gillette, Marcia L. J. Chem. Educ. 1989, 66, 1065.
Chemometrics 
Nomenclature / Units / Symbols

AtlanticPacific sig figs Stone, Helen M. Examples of applications of significant figures in calculations. Stone, Helen M. J. Chem. Educ. 1989, 66, 829.
Nomenclature / Units / Symbols 
Chemometrics

How to visualize Avogadro's number van Lubeck, Henk Three examples to help students visualize the size of a mole. van Lubeck, Henk J. Chem. Educ. 1989, 66, 762.
Nomenclature / Units / Symbols 
Chemometrics

A flowchart for dimensional analysis Graham, D. M. A flowchart to help students organize their thoughts when solving conversion problems. Graham, D. M. J. Chem. Educ. 1986, 63, 527.
Chemometrics 
Nomenclature / Units / Symbols 
Stoichiometry

Where did that number come from? DeLorenzo, Ronald With more careful labeling and handling of numbers, instructors can reduce the confusion students sometimes feel when watching problems being solved by the instructor on the board. DeLorenzo, Ronald J. Chem. Educ. 1986, 63, 514.
Chemometrics 
Nomenclature / Units / Symbols

Mathematics in the chemistry classroom. Part 1. The special nature of quantity equations Dierks, Werner; Weninger, Johann; Herron, J. Dudley Differences between operation on quantities and operation on numbers and how chemical quantities should be described mathematically. Dierks, Werner; Weninger, Johann; Herron, J. Dudley J. Chem. Educ. 1985, 62, 839.
Chemometrics 
Stoichiometry 
Nomenclature / Units / Symbols

Working backwards is a forward step in the solution of problems by dimensional analysis Drake, Robert F. Solving chemistry calculations by determining the units of the desired answer and then working backwards using dimensional analysis. Drake, Robert F. J. Chem. Educ. 1985, 62, 414.
Chemometrics 
Nomenclature / Units / Symbols

Five Avogadro's number problems Todd, David Five problems involving Avogadro's number. Todd, David J. Chem. Educ. 1985, 62, 76.
Nomenclature / Units / Symbols 
Stoichiometry 
Chemometrics

A LAP on moles: Teaching an important concept Ihde, John The objective of the Learning Activity Packet on moles include understanding the basic concept of the mole as a chemical unit, knowing the relationships between the mole and the atomic weights in the periodic table, and being able to solve basic conversion problems involving grams, moles, atoms, and molecules. [Debut] Ihde, John J. Chem. Educ. 1985, 62, 58.
Stoichiometry 
Nomenclature / Units / Symbols 
Chemometrics 
Atomic Properties / Structure 
Molecular Properties / Structure 
Periodicity / Periodic Table

Teaching factorlabel method without sleight of hand Garrett, James M. As an aid in teaching the factorlabel method, the author has developed a rather simple card game involving the matching of symbols and colors. Garrett, James M. J. Chem. Educ. 1983, 60, 962.
Stoichiometry 
Chemometrics 
Nomenclature / Units / Symbols

The spilled can of paint Perkins, Robert The writer describes a problem for students to work out in order to better understand units of conversion. Perkins, Robert J. Chem. Educ. 1983, 60, 343.
Nomenclature / Units / Symbols 
Chemometrics

How big is Avogadro's number (or how small are atoms, molecules and ions) Fulkrod, John E. Calculating the volume occupied by Avogadro's number of drops of water helps students understand the magnitude of this quantity while giving them practice at using scientific notation and the metric system. Fulkrod, John E. J. Chem. Educ. 1981, 58, 508.
Nomenclature / Units / Symbols 
Chemometrics 
Stoichiometry

A "road map" problem for freshman chemistry students Burness, James H. Question suitable for a takehome type of exam. Burness, James H. J. Chem. Educ. 1980, 57, 647.
Gases 
Solutions / Solvents 
Stoichiometry 
Nomenclature / Units / Symbols 
Chemometrics

Correlating Celsius and Fahrenheit temperatures by the "unit calculus" Gorin, George Deriving the mathematical relationship between Celsius and Fahrenheit temperatures. Gorin, George J. Chem. Educ. 1980, 57, 350.
Nomenclature / Units / Symbols 
Chemometrics

Adopting SI units in introductory chemistry Davies, William G.; Moore, John W. Conventions associated with SI units, conversion relationships commonly used in chemistry, and a roadmap method for solving stoichiometry problems. Davies, William G.; Moore, John W. J. Chem. Educ. 1980, 57, 303.
Nomenclature / Units / Symbols 
Chemometrics

How many significant digits in 0.05C? Power, James D. Textbooks abound with erroneous examples, such as 33F = 0.56C. Power, James D. J. Chem. Educ. 1979, 56, 239.
Chemometrics 
Nomenclature / Units / Symbols

The chemical equation. Part I: Simple reactions Kolb, Doris A chemical equation is often misunderstood by students as an "equation" that is used in chemistry. However, a more accurate description is that it is a concise statement describing a chemical reaction expressed in chemical symbolism. Kolb, Doris J. Chem. Educ. 1978, 55, 184.
Stoichiometry 
Chemometrics 
Nomenclature / Units / Symbols 
Reactions

Significant digits in logarithmantilogarithm interconversions Jones, Donald E. Most textbooks are in error in the proper use of significant digits when interconverting logarithms and antilogarithms. Jones, Donald E. J. Chem. Educ. 1972, 49, 753.
Nomenclature / Units / Symbols 
Chemometrics

SI units in physicochemical calculations Norris, A. C. This article demonstrates how the adoption of SI units affects some of the more important physicochemical calculations found at the undergraduate level. Norris, A. C. J. Chem. Educ. 1971, 48, 797.
Nomenclature / Units / Symbols 
Chemometrics

Fuel conversion in transport phenomena Gerlach, E. R. Calculations comparing the fuel efficiency of a hummingbird with that of a Volkswagen. Gerlach, E. R. J. Chem. Educ. 1969, 46, 455.
Calorimetry / Thermochemistry 
Chemometrics 
Nomenclature / Units / Symbols

The significance of significant figures Pinkerton, Richard C.; Gleit, Chester E. This paper is an attempt to clarify some of our ideas about numerical data, measurements, mathematical operations, and significant figures. Pinkerton, Richard C.; Gleit, Chester E. J. Chem. Educ. 1967, 44, 232.
Nomenclature / Units / Symbols 
Chemometrics

