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A mass of steam is added to 780 grams of ice -11 degrees Celsius to yield water at 20 degrees Celsius.
a) draw the phase change diagram for this
b) Compute the mass of steam required to achieve this final temperature
c) Compute the change in the steams internal energy
d) Compute the change in entropy as the ice MELTS (only for melting
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a boy of mass 46.2 kg is initially on a skateboard of mass 2.00 kg moving at a speed of 10.2 ms. the boy falls off the
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