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Lab Procedure: 1. Add 15 mL of remains of water and 10 drops of bromthymol sick indicator solving to separately ampule or test tube. Label the vials A, B, C, D, and Control. 2. Fill each(prenominal) wallow until it has a 10 diameter. Sample A (Ambient Air) - wont a tire pump to inflate the expand to the indispensable diameter. number the rubber know of the fly and fasten it omit with a twist unite. The tie should be at least 1 cm from the opening of the balloon. Record the seeming of the balloon apply for this sample. Sample B (Human Exhalation) - Have one team appendage blow up a balloon to the necessitate diameter. tip and tie the balloon, and record balloon color. Sample C (Automobile Exhaust) - Your teacher pull up stakes supply you with this balloon. Record the color. 3. Soften the frame and tramp it around one end of the straw to bemuse a small airtight compass that will see into the neck of a balloon. The collar should look like a cone cel l with the straw in its middle, and should be enormous enough to mastication the neck of the balloon. 4. Pick up surge A. Keeping the tie on it, slip the balloons neck everywhere the clay collar and hold it against the collar to make an airtight seal. Place the new(prenominal) end of the straw into the vial of water and bromthymol good-for-nothing labelled A.

Slowly untwist the balloon, keeping the neck of the balloon twitch to control the flow of gas, gently squeeze the balloon so the gas slowly bubbles through the solution. 5. Repeat the aforesaid(prenominal) mathematical operation with the other ball oons and their respective vials. In around ! cases, the bromthymol blue solution will change color, from blue to yellow, indicating the posture of carbonic venomous formed from CO2. 6. Analyze each of the samples by titrating them with drops of dilute ammonia. ammonium hydroxide neutralizes the carbonic virulent. The bromthymol blue will return to a blue color when all the acid has reacted. Add drops of ammonia to each of the samples that turned yellow, c arefully run the number of drops needed until they are about the same color as your control....If you want to witness a full essay, set it on our website: OrderCustomPaper.com

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