An ice cube of volume 14.7 cm3 is initially at a temperature of -12.1°C. How much heat is required to convert?
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I'm sorry the question was not complete. How much heat is required to convert this ice cube into steam?
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assuming you just want to melt it
14.7/expansion factor of ice (to determine grams of water) = y
12.1 * y * constant of heat needed to raise temperature of one gram of ice one centigrade degree
+
y * heat of fusion
or more neatly
((12.1 * c.o.h.n.t.r.t.o.o.g.o.i.o.c.d) + heat of fusion) * y
(I am sorry I have forgotten all these constants)