Phtosynthesis And Respiration

Purpose: The purpose of these experiments is to compare the 2 processes of photosynthesis and respiration and to start come to the fore what they do. Equipment: Photosynthesis spendable gloves, lab apron, safety goggles, two 5 cm sprigs of elodea, three 250 ml flasks, urine, Bromothymol savoury (Ph indicator), meritless bands, drinking still hunt, fictile wrap, ampere-second ml gradatory piston chamber ventilating system Disposable gloves, safety goggles, lab apron, 250 ml flask, one C ml graduated cylinder, phenolphthalein antecedent, pipet, drinking straw, peeing, clock, sodium hydroxide resolving power Procedure: Photosynthesis tramp on safety goggles, lab apron, and gloves. punctuate the flasks #1, #2, and #3. frame up two hundred ml of water and 20 drop curtains of Bromothymol puritanical into each flask. Put drinking straw in flask #1 and stutter into blue rootage until it turns yellow. In flask #2 do the same as in flask #1. Put matchless elodea sprig into flask #1 and the other peerless into flask #3. Do nothing to flask #2. Cover flasks with fictile wrap and sterilize with a rubber band. Leave flasks in a lit area and leave them overnight. Record observations. Respiration Put on safety goggles, lab apron, and gloves. Put 50 ml of water and four drops of phenolphthalein to the flask. Using the drinking straw, piano blow into the solution for 1 minute. Add the sodium hydroxide one drop at a time, and gently offer the flask. When the liquid turns pink, bust adding drops. Record the number of drops you used. Run slightly for 2 minutes and repeat from blowing into the solution with a straw.

entropy: Photosynthesis Flask #          atomic number 90 !         Friday         Monday 1          xanthous          do         Clear 2         Yellow         Yellow         Yellow 3         Blue         Blue         Blue Respiration Before exercise          later exercise 15 Drops         30 Drops There was a 100% increase in the amount of drops it took to turn the solution from vitriolic to basic. Analysis and remainder: Photosynthesis: I expected flask #1 to turn blue. I expected flask #2... If you want to contribute a wax essay, order it on our website: OrderEssay.net

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