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    qaxiy001 Posts: 2, Reputation: 1
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    #1

    Nov 23, 2011, 03:24 PM
    Standard entropy
    With regard to standard entropy's (S0), which of the following statements is true?
    A. S0 CO2(s) > S0 CO2(g)
    B. S0 is always > 0
    C. S0 oxygen in your blood > S0 oxygen in the air
    D. S0 cold water > S0 hot water
    E. S0 C4H10(g) > S0 C3H8(g)
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    qaxiy001 Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Nov 23, 2011, 03:25 PM
    standard entropy changes
    Calculate the standard entropy change of the following reaction (ΔS0rxn) at 25.0oC:

    3NO2(g) H2O(l) -> 2HNO3(l) NO(g)

    Choose one answer.
    a. -55.2 J/K
    b. -268 J/K
    c. 268 J/K
    d. -1.38 x 107 J/K
    e. -2.36 x 104 J/K
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    Curlyben Posts: 18,514, Reputation: 1860
    BossMan
    		  
    #3

    Nov 23, 2011, 03:28 PM
    Please refer to this announcement

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