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$25.00 CH201 chapter 6,7,8
- From Chemistry: General-Chemistry
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- Due on Jun. 24, 2011
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Preview: ... rbon ( CFC ) is an organic compound that contains carbon, chlorine, and fluorine, produced as a volatile derivative of methane and ethane. A common subclass is the hydrochlorofluorocarbons (HCFCs), which contain hydrogen, as well. They are also commonly known by the DuPont trade name Freon . The most common representative is dichlorodifluoromethane (R-12 or Freon-12). Many CFCs have been widely used as refrigerants, propellants (in aerosol applications), and solvents. The manufacture of such compounds is being phased out by the Montreal Protocol because they contribute to ozone depletio
Kyoto Protocol : The Kyoto Protocol is a protocol to the United Nations Framework Convention on Climate Change (UNFCCC or FCCC), aimed at fighting global warming. The UNFCCC is an international environmental treaty with the goal of achieving the "stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system."
The Protocol was initially adopted on 11 December 1997 in Kyoto, Japan, and entered into force on 16 February 2005. As of April 2010, 191 states have signed and ratified the protocol.
Infrared radiation : Infrared ( IR ) light is electromagnetic radiation with a wavelength longer than that of visible light, measured from the nominal edge of visible redlight at 0.7 micrometers, and extending conventionally to 300 micrometres. These wavelengths correspond to a frequency range of approximately 430 to 1 THzand include most of the thermal radiation emitted by objects near room temperature. Microscopically, IR light is typically emitted or absorbed by molecules when they change their rotational-vibrational movements.
Sunlight at zenith provides an irradiance of just over 1 kilowatt per square meter at sea level. Of this energy, 527 watts is infrared radiation, 445 watts is visible light, and 32 watts is ultraviolet radiation.
Chapter 6 Question 25
Should developing countries be held to the same standards of greenhouse gas emissions as developed countries if doing so can be shown to slow their rate of development?
Global warming is the result of the massive emission of C02 and other greenhouse gasses from the burning of fossil fuels throughout the industrial revolution, beginning in the 19th century. In attempting to address and solve global warming, many have asked whether developed nations - which led the industrial revolution and are responsible for most of the greenhouse gases now in the atmosphere - should bear a greater responsibility for combating climate change.
This debate has been stimulated in large part by the Kyoto Protocol, which exempted developing nations such as China and India, from the same emissions-reductions obligations as developed countries. The principle underlying Kyoto is known as "common but differentiated responsibilities", which continues as a centerpiece principle for those calling on Developed countries to assume a greater responsibility. China, India, and other developing countries call for recognition of this principle, while many developed countries argue that conditions have changed as developing countries have begun to industrialize and pollute more rapidly in recent years.
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- Posted on Jun. 23, 2011 at 10:03:37AM
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- Posted on Jun 23, 2011 at 3:41:01PM
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