During this time, how much work W is performed by the engine? Answer in joules.

A Carnot heat engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. In 5 minutes of operation of the engine, the heat rejected by the engine melts a mass of ice equal to 2.55x107- kg Throughout this problem use Ir = 3.34 x 10 J/kg for the heat of fusion for water