Lab 10-Gas Laws - Roshni Sheth CH 116-M3 Partners Chris...

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Roshni Sheth CH 116-M3 Partners: Chris Suda, Kaity Brown November 18, 2009 Gas Laws 1. Experimental Procedure In order for the experiment to work accurately, a constant pressure gas/volume apparatus is set up, so the pressure inside the apparatus equals the atmospheric pressure when water levels is the same height on both sides. Once the apparatus is set up, water is poured into the funnel side. Next, a small piece of a bicarbonate tablet is weighed and tied to a string. Then, hold the string in an Erlenmeyer flask containing 20 mL of acetic acid, but the tablet should not meet the acid yet. The rubber stopper end of the apparatus is placed on the Erlenmeyer flask to seal it completely, so there are no gas leaks. Keeping the funnel level with the water level in the apparatus at all times, the flask is shaken, so the bicarbonate tablet reacts with the acid. It is essential that the funnel side remains level with the water level in the apparatus. This procedure is repeated two more times. 2. Gas Leaks To ensure there were no leaks, the rubber stopper was pushed into the Erlenmeyer flask
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