March 30, 2017

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The main component of nail polish remover is acetone, which has ∆Hvap= +31.3 kJ/mol. How many kJ of energy will be exchanged between your skina dn 48.9 mL of acetone which have been spilled on you? (density of acetone =0.79 g/cm^3)

  • Chemistry - ,

    Mass of acetone = volume x density.
    Calculate mass.

    moles = grams/molar mass
    Calculate moles acetone.

    delta Hvap = 31.3 kJ/mol.
    Calculate heat transfer.

  • Chemistry - ,

    thank you! i completely understand it now!

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