A little of both. We went to higher temperatures and then heated it
long enough to test for the CO2 and then immediately went to our other
test tube that was chilled to collect the esters.
Beth
-----Original Message-----
From: channel-talkchemistry-bounces@learner.org
[mailto:channel-talkchemistry-bounces@learner.org] On Behalf Of
susan_carver@usd465.com
Sent: Tuesday, November 02, 2004 3:56 PM
To: Discussion list for REACTIONS IN CHEMISTRY
Subject: RE: [Channel-talkchemistry] (no subject)
Do you mean you heated it longer than the 20 minutes described or at a
higher
temperature then described?
Susan
Quoting Beth McKee <BMcKee@usd259.net>:
> I did the pop distillation with my classes this year and we used
grape,
> orange, a red vanilla pop and then the cherry coke. The kids loved
it,
> but I found we had to heat the pop more than is described in the lab
> activity handout. Good luck.
>
> I took the class last year.
>
> Beth McKee
> Wichita East High School
>
> -----Original Message-----
> From: channel-talkchemistry-bounces@learner.org
> [mailto:channel-talkchemistry-bounces@learner.org] On Behalf Of
> susan_carver@usd465.com
> Sent: Tuesday, November 02, 2004 8:32 AM
> To: channel-talkchemistry@learner.org
> Subject: [Channel-talkchemistry] (no subject)
>
> Workshop Five has proven to be the most interesting to me up to this
> point. I
> found particular interest in two of the labs, the first being the
> Stoiciometry
> of Cooking. In the past, I have not used any lab or demo to introduce
> stoich
> but always wished I had one. I think this cake making lab is
> incredible! I
> plan to try it here in just a couple of weeks.
>
> The other activity was the Cherry Coke Distillation Lab. My students
do
> a
> normal distillation of a water/ink mixture. I think they would find
> this
> activity so much more interesting. It will be neat to see if we can
> actually
> smell two different odors in the grape soda. It will also give me a
> chance to
> introduce esters, something we will study in detail later in the
course.
>
>
> Visit Winfield Public Schools at http://usd465.com
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Received on Wed Nov 3 10:14:49 2004
