A thermally insulated vessel contains a mixture consisting of m1=2.0 kg of ice and m2=10 kg of water at a total temperature t1=0 °C. Water vapor is supplied to the vessel at t2=100°C in the amount of m3=2.0 kg. After equilibrium is established, there will be water in the vessel. What will its temperature be? Specific heat capacity of water c=4.2•103 J/(kgK); specific heat of melting of ice l=3.3•105 J/kg; specific heat of vaporization for water r=2.3•106 J/kg.
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