Which statement is always true if ΔU sys is always negative?

a) q = w
b) +q>–w
c) -w> +q
d) +w>-q

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  1. delta U = heat in - work out
    delta U = Q - W in physics
    HOWEVER chem texts sometimes use
    delta U = Q + W
    with W = work IN so maybe that is what you have here.
    in that case if delta U is - then
    Q < -W heat in less than work out which is c)

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  2. +w>-q

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  3. NVM that answer on top^^^
    -w > +q

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