Combustion of hydrocarbons such as dodecane (C,,H,) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's atmosphere can trap 12 the Sun's heat, raising the average temperature of the Earth. For this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide. 1. Write a balanced chemical equation, induding physical state symbols, for the combustion of liquid dodecane into gaseous carbon dioxide and gaseous water. Ar 2. Suppose 0.490 kg of dodecane are burned in air at a pressure of exactly 1 atm and a temperature of 18.0 °C, Calculate the volume of carbon dioxide gas that is produced. Round your answer to 3 significant digits. Preacy Check Tems of Une ghplanation O 2019 McGraw-Hill Education. Ali Rights Reserved 7.00 PM 12/4/2019 O Type here to search hp pg up ond prt sc f10 f9 144 f8 4+ f7 f6 UTm f4 s米 ackspace ock & esc 8. 6. 3 9/6 %24 %23

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.