Students getting to control flying drones on the ISS
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Aug 25, 2017
chemteacher
Pat- Long time chemist/materials scientist here. Get rid of everything that is more than 3 years old. While most scientists/teachers often are pack rats, the chemicals that have been there forever have most likly changed (oxided, hydrated, decomposed) so their label composition does really match their true composition. So, reactions that are done w...See More
chemteacher
Sorry typo. I meant to say, in the first paragraph, "...changed (oxidized, hydrated, decomposed) so their label composition DOESN'T really match their true composition."
The software doesnn't allow me to edit once posted.
The software doesnn't allow me to edit once posted.
Bob R/CA
I was hoping someone would chime in to help - great advice :O)
Bob R/CA
You can always repost your message, and then hit "report post" and write "corrected" or "rpls remove my post, made an error" or just write nothing, they'll figure it out. I do it all the time.
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