C2HSOH (y+302- 2C0:(8)+ 3H;0 AHU = -1370 C2H4 (g) + 302 ( 2CO2 (g) + 2H2O) AH" - -1415.6 Determine the enthalpy change when 30.8g of ethanol is produced from the reaction below; C2H4 n+ H,Ou C2 HSOH a (RMM of ethanol 46).

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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.