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10 Mar 2010 15:33:30 IST

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A problem in chemistry[with solution]

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10 c.c of a mixture of hydrogen , carbon monoxide, and carbon dioxide mixed with 15cc of oxygen and exploded. The resulting mixture of gases was cooled to the original room temperature and pressure and measured 19 cc. On shaking with potash a further contraction to 12cc took place. Deduce the composition of mixture.solution: Let x cc = volume of hydrogenycc = volume of COz cc = Volume of CO2 [10-(x+y)] On explosion, the following reactions occur:2H2 + O2 = 2H2Ox cc (x/2) cc (condensed to occuppy a negligible volume)2CO +

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