Lab 4 - Lab 4 Introduction - - 2 forms of energy o Energy...

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Lab 4 Introduction - 2 forms of energy o Energy from earth’s hear generated by fission decay of radioactive elements Reduced sulphur compounds o Light energy from thermonuclear fusion reactions - Human energy: 90% photosynthetic + 10% non-photosynthetic - Problem of rapid energy consumption leads to the search for alternative energy. o Biofuel (biologically-produced fuels) Crops & forest plants used to produce carbohydrates for ethanol production. For economic purpose, it requires degradation of cellulose in the plants into sugars for bacterial fermentation. Challenge: Bioethanol has 30% less energy/mol than gasoline Destruction of ecological habitats for crop-growing o Plants & algae used to convert sunlight into hydrocarbons diesel fuel Algae can be grown in abundant barren land to convert sunlight into the energy-rich double bonds of hydrocarbon compounds Photosynthesis and respiration measurement required to determine the maximized conversion of light energy to hydrocarbon production Chlorella : easy to grow in incubators and manipulated by genetic engineering The Clark-type oxygen electrode -
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Lab 4 - Lab 4 Introduction - - 2 forms of energy o Energy...

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