scholarly journals General chemistry (Slabaugh, Wendell H.; Parsons, Theran D.)

1972 ◽  
Vol 49 (3) ◽  
pp. A165
Author(s):  
Thomas E. Taylor
Keyword(s):  
General Chemistry

A Master Class in Dimensional Analysis: the Universal Gas Constant

2018 ◽  
Author(s):  
john andraos
Keyword(s):  
Physical Chemistry ◽  
High School ◽  
General Chemistry ◽  
Dimensional Analysis ◽  
Undergraduate Students ◽  
Microsoft Excel ◽  
Energy Unit ◽  
Spreadsheet Program ◽  
Volume Unit

We present a spreadsheet-assisted exercise using Microsoft Excel software for the<br>determination of the universal gas constant, R, in 35,712 different units. This large<br>number of units arises from a simple enumeration of possible pressure-volume unit<br>combinations and energy unit combinations covering SI (metric), Imperial (British), and<br>American units. In turn, various units for force and area used for defining pressure, and<br>various units for force and distance used for defining energy are explored. This<br>presentation serves as an excellent exercise for high school and undergraduate students to<br>master the skill of dimensional analysis, unit conversions, and basic combinatorics in<br>general chemistry and physical chemistry courses. Instructors can also use the described<br>exercise of constructing conversion matrices to train students in how to efficiently use the<br>Microsoft Excel spreadsheet program.

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