From: Nicci Nunes (inunes@muse.sfusd.edu)
Date: Tue Jan 09 2001 - 06:23:16 PST
Message-Id: <l03110701b680cf06d1e2@[156.1.109.117]> Date: Tue, 9 Jan 2001 06:23:16 -0800 From: Nicci Nunes <inunes@muse.sfusd.edu> Subject: Re: Pinhole Digest #551 - 01/09/01
You need very fine steeel wool, and if you soak it in vinegar you can get
the coating
off of it that they put on to keep it from rusting, and it will burn.
Nicci
>
>Subject: Re: Pinhole Digest #548 - 01/05/01
>From: "Sally Seebode" <sseebode@earthlink.net>
>Date: Tue, 9 Jan 2001 08:26:10 -0800
>
>I need a lab activity like the MgO -- burning magnesium in air. If you
>measure the mass of Mg before and the mass of the product, you can find the
>mole ratio. Does anyone know of another easily accelssible metal that burns
>readily in air? I thought iron did, but I can't seem to make steel wool burn
>in my lab.
>
>Another idea would be a nice decomposition reaction like the hydrate lab. Is
>there a compound that breaks down into 1 gas and 1 solid of which students
>could find the mole ratio?
>
>thanks,
>sally
>
>
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Nicole Nunes, Ph.D.
Science & Technology Department Head
Thurgood Marshall Academic High School
45 Conkling St.
San Francisco, CA 94124
(415) 695-5612 x3100
inunes@sfusd.edu
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