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Chemical Processes That Are Most Important to Human Life

Describe two of the chemicals and chemical processes that are most important to human life.

Describe a chemical process you have seen in action. When and where did it happen? What took place when you observed this process? How does that process relate to one or more of the chemical processes that happen in the human body? Refer to the textbook and the Internet as needed to help find this information and support your responses to these questions.

Soybean Protein Isolate Gel Particles as Foaming and Emulsifying Agents
Consider the free-radical reaction to chlorinate methane to produce chloromethane. Cl2 + CH4 = HCl + CH3Cl. These are not the only products because a great variety of radical collisions are possible other than those leading to the simple idealized products. Your text notes the production of dichloromethane, trichloromethane, and tetrachloromethane. Show a complete mechanism, including the initiation step, to explain how 1,2-dichloroethane, a minor but detectable product in this reaction, could be produced. Use chain propagation steps whenever possible, although a key step in the mechanism has to be what is usually regarded as a termination step.