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March 28, 2017

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1. How much heat is absorbed when 63.7g H(small 2)O [water](l) at 100 degrees C and 101.3 kPa is converted to steam at 100 degrees C? Express your answer in kJ.
Is there an equation?

2.How much heat (in kJ) is released when 0.677 mol NaOH(s) is dissolved in water? (Steps?)
Thank You.

  • Chemistry - ,

    1. Yes, there is an equation.
    q = mass x delta Hvap. Whether you get calories, J, or kJ depends upon the unit for delta Hvap

    2. You don't have enough information to answer this question. You need the heat of solution of 1 mol NaOH.

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