# 7 as the organism inside the respirometer consumes

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and/or carbon dioxide. 7. As the organism inside the respirometer consumes oxygen, what happens to the water? The pressure of gases inside the respirometer decreases and water goes into the pipette 8. What happens to the CO2 that the organism produces? It combines with KOH to form a solid precipitate, K2CO3 9. Experimental Setup (View the graphic) and fill in the data table. Vial 1 Vial 2 Vial 3 Vial 4 Vial 5 Vial 6 Contents 25 germinating peas 25 non germinating peas and glass beads Equal volume of glass beads 25 germinating peas 25 non germinating peas and glass beads Equal volume of glass beads Temperature 10 10 10 25 25 25 10. How do you ensure that each vial has an equal volume? Adding glass beads helps the volumes become equal 11. What is the purpose of the vial with only glass beads? To maintain same volume as germinating peas
Analyzing the Results 1. What is the equation to determine the rate of respiration? Δ y/Δ x 2 2. What is x? What is y? X= minutes Y= corrected difference 3. Read the respirometers and determine the rate of respiration. Show your calculations. .00283 ml/sec 4. Answer the four self-quiz questions.

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