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Uploaded by mewillychem on Feb 22, 2009
Pure oxygen is created by the decomposition of potassium chlorate. This reaction was used by Dr. Holtzapple from York, Pennsylvania to save a patient's life. It was a breakthrough in medical history.
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notyourtypicalguy 1 year ago
Before this man, York was a tiny black hole on the map of PA...
FuhrerAA 3 years ago 2
One of the few questions that I never got wrong on his tests ;-)
Legoman513 3 years ago 2
...in the reaction that put York on the map. Well done Mr. Willams
mushrooms538 3 years ago
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Thank you Thank you Thank you T^T
notyourtypicalguy 1 year ago
Before this man, York was a tiny black hole on the map of PA...
FuhrerAA 3 years ago 2
One of the few questions that I never got wrong on his tests ;-)
Legoman513 3 years ago 2
...in the reaction that put York on the map. Well done Mr. Willams
mushrooms538 3 years ago