Lexan is a plastic used to make compact discs, eyeglass lenses, and bullet-proof glass. One of the compounds used
to make Lexan is phosgene (COCl2), a poisonous gas.
Phosgene is produced by the reaction
CO(g) 1 Cl2(g) 34 COCl2(g)
for which K 5 4.5 3 109 at 100.8C.
a. Calculate Kp at 100.8C.
b. Equal moles of CO and Cl2 are reacted at 100.8C. If
the total pressure at equilibrium is 5.0 atm, calculate
the equilibrium partial pressures of all the gases.

chemical digestion occurs in the stomach were hcl and pepsin forms chyme, the mouth in which salivary amylase breaks down starch to form bolus, and the small intestine specifically the duodenum.

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.

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