Chemistry in Context (9th Edition)
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Protective clothesUmbrellaSunscreen ; Sun rays are... more
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Energy in a wave of red light - Energy in a wave ... more
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; According to Planck's equation, the energy ... more
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Fat is required for good health. But when a fat is... more
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Currently in India there are no such strict laws. ... more
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No, the concentration of ozone will vary with the ... more
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The concentration of stratospheric ozone above ... more
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The radical species are marked with asterisk, ; ... more
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The presence of radical is much important for the ... more
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The concentration of stratospheric ozone is ... more
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The cartoon presented in the picture is quite ... more
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In recent years it is observed that there is a ... more
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Refrigerants gas should have these in minimum ... more
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The one would completely disagree with the ... more
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The nanoparticles which are larger in size possess... more
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The chemical formula of oxygen is O2 whereas the ... more
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Advantage: Ozone layer is very much essential ... more
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TroposphereStratosphereAir is dense in this region... more
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; The electronic configuration of Oxygen is 1s2, ... more
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Only visible light can be seen by human eye and ... more
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The most energetic photon corresponds to the ... more
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Yes, The electromagnetic radiations is a type of ... more
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Energy is directly proportional to the speed of ... more
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The microwave radiations have less energy than x-... more
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; The distance(the path length between two points... more
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; CFC's are chlorofluorocarbons, and these are ... more
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CFC's(chlorofluorocarbons) are non-flammable, ... more
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Graph A shows the direct relation between the ... more
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Ozone in the stratosphere protects the living ... more
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Ozone is referred to as the Achilles heel of the ... more
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This cartoon suggests to buy some ozone and send ... more
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Yes, all the oxygen atoms in the three structures ... more
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The bond lengths in ozone will be between and .No... more
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Formation of ozone from oxygen requires high ... more
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The energy required to break down the double bond ... more
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Both and has a bent structure, satisfy octet ... more
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The radiowaves have very less energy in comparison... more
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The UV index varies between 1 and 15, which helps ... more
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UVC radiation are the radiations having wavelength... more
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UV radiation energy from the sun is absorbed by ... more
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The compounds such as freon-12 are useful. The ... more
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Nitrogen Oxide (NO) radicals, Bromine(Br) radicals... more
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Cl radical acts as a catalyst in the reactions in ... more
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Because of the smaller pits, smaller beam, and ... more
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Antarctica is the coldest region on the Earth, ... more
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Each atom in all the resonating structures ... more
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smog act as the filter for UV radiation and ... more
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No, because the ozone depletion and formation is a... more
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O3, O2, and N2 ,have an even number of valence ... more
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Combustion of fossil fuels, longer time, ... more
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