2. A steel marble at room temperature is placed in a plastic-foam cup containing ice and water at OC. After thermal equilibrium is reached, the temperature of the ice-water mixture and marble is ONC.
2. A steel marble at room temperature is placed in a plastic-foam cup containing ice and water at OC. After thermal equilibrium is reached, the temperature of the ice-water mixture and marble is ONC.
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Transcribed Image Text:2. A steel marble at room temperature is placed
in a plastic-foam cup containing ice and water
at OC. After thermal equilibrium is reached, the
temperature of the ice-water mixture and
marble is OXC.
Transcribed Image Text:d. Did the internal energy of the water-ice
mixture increase or decrease? How could this be
observed?
e. Did the internal energy of the system
consisting of the water-ice mixture and the
marble increase or decrease?
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