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Volume of A piece of galena is 4.7 cm3. Determine the mass of that piece of galena if the density of galena is 7.5 g/cm3 express your answer (in kg)?

Suppose an insulated system having eighty grams of liquid water and eighty grams of ice at equilibrium under normal atmospheric pressure. A total of sixteen grams of steam at the temperature of 120 degree Celsius is admitted to the system. Determine the phase composition and temperature at the time when equilibrium is reestablished?

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