Question 1
If 25 kg of ice at 0°C is combined with 4 kg of steam at 100°C, what will be the final equilibrium temperature (in °C) of the system?
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40
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20
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60
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100
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8
Question 2
If a person in Alaska were locked out of his house on a day when the temperature outside was −40°C, his thick clothing would mostly reduce the loss of thermal energy by
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conduction.
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convection.
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radiation.
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all of the above.
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convection and radiation.