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Photosynthesis

In this lab we will observe the rate of photosynthesis in bean plant leaves. The overall equation for photosynthesis is 6CO2 + 12H2O -> C6H12O6 + 6O2 + 6H2O. As this equation demonstrates, during photosynthesis plants take in water and carbon dioxide and with the help of light convert these reactants to glucose, a plants source of energy. During this process water and oxygen gas are also produced as byproducts. So in this experiment we will attempt to control one of the variables that effects photosynthesis and observe the outcome. We know that the presence of light and carbon dioxide both dictate the rate of this reaction (1). So we will place two leaves in chambers with oxygen sensors to observe the rate of reaction. We will input carbon dioxide and light to start the process. Our hypothesis is that filtering the light that reaches the leaf will affect the rate of photosynthesis. We will let one leaf photosynthesize in natural light and the other's light we will filter through a blue light filter. Our prediction for the experiment is that the rate of photosynthesis of the second leaf will be lower than that of the unfil


2) y=17.049+0.045X „³Middle Phase L]1= 0.045

3) Final„³rate= [0.047(16.055)]/143cm2= 0.005277 Lgmoles of O2/ m2/min

2) Middle„³rate= [0.047(9.633)]/92cm2= 4.92*10^-3 Lgmoles of O2/ m2/min

1) Initial„³[10000(0.106)]/[(273+296/273)*(22.413)]= 22.6911Lgmoles of O2/L/min

3) y=18.714+0.030X „³Final Phase L]1= 0.030

3) Final„³rate= [0.047(6.422)]/92cm2= 0.00328 Lgmoles of O2/ m2/min



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Approximate Word count = 772
Approximate Pages = 3 (250 words per page double spaced)


  

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