its for a science experiment, i have to put the carbon dioxide in an aquarium and test it on plants. but i dont know how to put the CO2 in it... i guess i could breathe into it, but it would be hard work (lol). i'd use dry ice, but it would freeze the plants before i could test them... HELP!!!
2007-11-26 13:44:01 · 4 answers · asked by fsh 3 in Science & Mathematics ➔ Chemistry
There is a thing to blow dust out of your computer that is powered by the same little CO2 cylinders that are used in BB guns. It has it's own valve and a plastic tube which could be used to direct the CO2 to where ever you want. If you need exact flow rate/pressure control or need to deliver specific volumes you might need something more elaborate.
You might also be able to use soda water (CO2 dissolved in water but no sugar/flavoring), the soda water company probably has a contact number and someone could probably tell you the % CO2 in their product and how much would be there after standing at atmospheric pressure for various times.
2007-11-26 13:56:05 · answer #1 · answered by Flying Dragon 7 · 0⤊ 0⤋
I highly doubt you would freeze the plants in an aquarium by placing dry ice. The dry ice would easily and fastly disintegrate to CO2 gas before the water temperature would drop down low enough to kill your plants.
2007-11-26 21:55:42 · answer #2 · answered by obscurusvita 4 · 0⤊ 0⤋
co2 is a gas or temporarily solid at atmospheric pressure if you can't use dry ice the only way to force co2 into solution is at greater pressure (not recomended).! research that possibility?? (like soda, selzer)
2007-11-26 22:24:06 · answer #3 · answered by sawman87 5 · 0⤊ 0⤋
it's best just to blow into it, that's really the best/ cheapest source of CO2
2007-11-26 21:52:52 · answer #4 · answered by Carlis D 1 · 0⤊ 0⤋