Claudia Taylor Johnson High School

San Antonio, TX, United States

Claudia Taylor Johnson High School

San Antonio, TX, United States
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Cunningham W.P.,Claudia Taylor Johnson High School | Joseph C.,Claudia Taylor Johnson High School | Morey S.,Claudia Taylor Johnson High School | Santos Romo A.,Claudia Taylor Johnson High School | And 3 more authors.
Journal of Chemical Education | Year: 2015

A simplified activity examined gas density while employing cost-efficient syringes in place of traditional glass bulbs. The exercise measured the density of methane, with very good accuracy and precision, in both first-year high school and AP chemistry settings. The participating students were tasked with finding the density of a gas. The discovery activity facilitated their understanding of the basis of the table of atomic masses. This activity should provide instructors of pre-AP and AP chemistry classes with an acceptably precise and accurate single-lab-period investigation that functions either within the gas law unit or introduction to atomic theory and atomic masses. © 2015 The American Chemical Society and Division of Chemical Education, Inc.

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