by msander | Oct 31, 2018 | Gr 7-8 Science & Tech, Gr 9-10 Science, Gr. 11-12 Chemistry
The Alka-Seltzer tablets contain sodium bicarbonate and citric acid. As the Alka-Seltzer tablet dissolves in water, the citric acid reacts with the sodium bicarbonate to produce carbonic acid (Equation 1) and carbon dioxide (Equation 2). The carbonic acid then reacts...
by msander | Mar 19, 2015 | Gr 9-10 Science, Gr. 11-12 Chemistry
The lesson here is a good one and it applies to all your favorite demonstrations—they make terrific inquiry labs for your students! This video is part of the Flinn Scientific Best Practices for Teaching Chemistry Video Series, a collection of over 125 hours of free...
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