study-note-3-26

study-note-3-26 - 24.1 (and heating food substances lab)...

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24.1 (and heating food substances lab) What evidence do we have that carbon is present in most foods? When most foods are heated they turn black. This indicates the presence of carbon. Why is the term “organic” chemistry misleading? It suggests that all organic compounds come from living things. Organic compounds may be synthetic or may arise without life. Which compounds are inorganic and which are organic? Inorganic: the oxides of carbon (CO, CO 2 ), the bicarbonates (containing the HCO 3 - ion, such as NaHCO 3 ), and carbonates of metal ions (compounds containing the CO 3 2- ion, such as Na 2 CO 3 ). All other carbon-containing compounds are organic. Give examples of organic compounds. Plastics, synthetic and natural fibers (like cotton and wood), most drugs, perfumes, petroleum products, carbohydrates, fats and oils, proteins, vitamins, hair, cell membranes and cell components, etc. Define functional group. The name for the part of an organic molecule where most chemical reactions occur.
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