Subject: When a human exhales CO2 is carbonic acid created when it mixes with H2O?
Date: Tue Jun 13 13:03:15 2000
Posted by Randy Bechtel
Grade level: nonaligned
School: NC Museumof Natural Sciences
City: Raleigh State/Province: North Carolina
Area of science: Biochemistry
I present live science programs at the Museum and this is the experiment I
wanted to double check. I have a beaker with tap water and the indicator
Bromothymol Blue. The indicator is blue indicating basic conditions, when
I exhale into the water, with a straw, the indicator changes to yellow
indicating an acid. Have i just made the solution acidic with the CO2 from
Re: When a human exhales CO2 is carbonic acid created when it mixes with H2O?
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