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How much heat is needed to convert 200 grams of ice at 0 degrees Celsius to...

How much heat is needed to convert 200 grams of ice at 0 degrees Celsius to steam at 100 degrees Celsius?(Hf(0 C)=334 J/g, Specific heat of water = 4.184 J/gK, Hv(100 C) = 2260 J/g, Specific heat of ice = 2.108 J/gC) and how do i do it?

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Answer #1

In order to find out the energy needed to convert the phase of the water molecule from solid to gas form, one needs to calculate the energy consumed in each of the subsequent phase change. i.e From solid to liquid followed by from liquid to solid.

The summation of all the individual energies will result in the total energy required for the change seen.

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