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Need help with Gen chem quiz questions!!

Discussion in 'Pre-Medical - MD' started by brains, Feb 14, 2006.

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  1. brains

    brains 5+ Year Member

    I am running out of time, so if any one can help give me some formulas or something, that would be great. Thanks.

    1) K of concentration= 0.0198 @ 721 K

    2HI (G) ---> H2(g) + I2(g)

    In a particular experiment, the partial pressures of and at equilibrium are 0.710- and 0.888- atm, respectively. The partial pressure of HI is __________ atm.

    a. 1.98
    b. 0.389
    c. 5.64
    d. 7.87
    e. 0.125


    AND
    In the coal-gasification process, carbon monoxide is converted to carbon dioxide via the following reaction:



    2) In an experiment, 0.35 mol of CO and 0.40 mol of H2O were placed in a 1.00-L reaction vessel. At equilibrium, there were 0.19 mol of CO remaining. Keq at the temperature of the experiment is ___________.

    CO (G) + H20 (G)---->CO2 (G) + H2 (G)

    a. 0.75
    b. 5.47
    c. 1.0
    d. 1.78
    e. 0.56
     
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