Homework Help: chem

Posted by Draden on Sunday, October 28, 2012 at 9:01am.

bubbles initially forms and escapes down the bottom of the glass in the rising water experiment. What gas is responsible for this bubbles? the air bubbles escaping from the jar or bottle are evidence of the fact that the air in the jar or bottle is expanding, not contracting (air expands when it is heated)and the gas formed and escape is CO2. Am I right please correct me.

chem - VIKASH KUMAR GUPTA, Sunday, October 28, 2012 at 10:11am
HYDROGN GAS.
chem - bobpursley, Sunday, October 28, 2012 at 11:35am
It is not possible for me to answer without knowing the rising water experiment details. Is it this one? http://www.math.harvard.edu/~knill/pedagogy/waterexperiment/index.html

If so, you are not correct. See the paper at the end of that link. Initially, the heated air is escaping.

Mr. Gupta: you are on a roll today with incorrect answers.
chem - Draden, Sunday, October 28, 2012 at 11:59am
what kind of gas formed or escape then? Is the heated air in the form of CO2? please help
chem - bobpursley, Sunday, October 28, 2012 at 12:10pm
heated air initially, with a little CO2 enriched. Read the link I sent, it tells you that.

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