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March 24, 2017

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You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How much heat energy(in joules) is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius?
A. 1803 J
B. 2088.5 J
C. 257.5 J
D. 418.2 J

  • Melting Ice Chemistry - ,

    Use the formula q=mc∆T


    Where
    m= 5g
    ∆T=15-(-10)=25
    c= 4.186 J/g °C

    and solve for q

  • Melting Ice Chemistry - ,

    svd

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