Re: Pinhole Digest #548 - 01/05/01

Date view Thread view Subject view Author view

From: Gene Thompson (gthompso@ccsf.cc.ca.us)
Date: Tue Jan 09 2001 - 17:10:56 PST 

Date: Tue, 9 Jan 2001 17:10:56 -0800 (PST)
From: Gene Thompson <gthompso@ccsf.cc.ca.us>
Subject: Re: Pinhole Digest #548 - 01/05/01
Message-ID: <Pine.HPX.4.21.0101091709320.9199-100000@fog.ccsf.cc.ca.us>

Gas and liquid -- hydrogen peroxide. If you use a catalyst to speed up
the reaction, you kill quite a few birds with one stone.

What are you using to try to ignite the steel wool? Bunsen burners work
really well.

Ellen Koivisto
George Washington High School, SF

On Tue, 9 Jan 2001, Sally Seebode wrote:

> 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
>
>
> ---------------------------------------------------------------------------
>
> To unsubscribe from pinhole, send an email to requests@exploratorium.edu
> with the words 'unsubscribe pinhole' (without the quotes) in the SUBJECT
> of the email.
>
> To subscribe to the digest and only get 1 combined message a day, send an
> email to requests@exploratorium.edu with the words 'subscribe digest
> pinhole' (without the quotes) in the SUBJECT of the email.
> ---------------------------------------------------------------------------
>
>
>

Date view Thread view Subject view Author view

This archive was generated by hypermail 2b29 : Tue Oct 16 2001 - 12:22:07 PDT