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Phase Changes

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The heat of vaporization of water is 2.26 kJ/g. How much heat is needed to change 3.74 g of water to steam?

  • Phase Changes -

    assuming that the water is already at boiling temperature:
    Heat in = 2.26 KJ /g * 3.74 g = 8.45 KJ or 84,500 Joules

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