1.

A mixture of one mole of CO_(2) and one mole of H_(2) attains equilibrium at a temperature of 250^(@)C and a total pressure of 0.1 atm for the change CO_(2(g)) +H_(2(g)) harr CO_((g))+H_(2)O_((g)). Calculate K_(P) if the analysis of final reaction mixture shows 0.16 volume fraction of CO

Answer»

<P>0.46
0.63
0.22
0.82

Solution :
volume FRACTION = pressure fraction = mole fraction
`X_(CO)=X_(H_(2)O)=0.16`
`X_(CO_(2))=X_(H_(2))=(1-2 XX 0.16)/(2)=0.34`
`K_(P)=((X_(CO) xx P)(X_(H_(2)O) xx P))/((X_(CO_(2)) xx P)(X_(H_(2)O) xx P))`
`=(0.16 xx 0.16)/(0.34 xx 0.34)=0.22`


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