In this experiment, students use the gas laws to experimentally determine the molar mass of butane, courtesy of Flinn Scientific Canada for the classroom-ready handout.
Molar mass of butane experiment handout – Click here to download
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The Science Teachers Association of Ontario adds new resources, blog posts, videos and more on a regular basis.
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
https://youtu.be/D7qk_1BdUOw Flame-retardant chemicals can slow the spread of fire in homes and garments. But are these compounds naughty or nice? This week on Reactions, we ask whether old Saint... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry
The boiling point of a liquid depends on the external air pressure. When water is placed under vacuum, the boiling point decreases and the water boils. Boiling, however, is an endothermic... read more
Categories: Gr 9-10 Science, Gr. 11-12 Chemistry, Safety
In a recent blog post, the activity Elephant's Toothpaste was demonstrated. The activity was in keeping with our STAO safety policy regarding chemical use. In that policy, we suggest the use of small... read more
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