Chemistry, 13.12.2019 19:31 destinee71
Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures:
co(g)+cl2(g)? cocl2(g)
carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 476? c . at equilibrium, the concentrations were measured and the following results obtained:
col1 gas co cl2 cocl2
col2 partial pressure 8.740 1.16 0.140
what is the equilibrium constant, kp, of this reaction? in part a, you were given the equilibrium pressures, which could be plugged directly into the formula for k. in part b however, you will be given initial concentrations and only one equilibrium concentration. you must use this data to find all three equilibrium concentrations before you can apply the formula for k.
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
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Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain...
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