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PHYS 204 Week 6 Quiz

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PHYS 204 Week 6 Quiz

Heat and Temperature

(TCO 7) Change 18  ℃  to Kelvin. (Points : 4)

(TCO 7) How much work must a person do to offset eating a 775-calorie breakfast? (Points : 4)

(TCO 7) If 200.g of steel at 220 ℃  is added to 500 g of water at 10 ℃ , find the final temperature of this mixture. For water, c= 1.00cal/g ℃ . For steel, c= .115 cal/g ℃ . (Points : 4)

(TCO 7) If 1340 kJ of heat is required to melt 4.00 kg of ice at 0 ℃ into water at 0 ℃  , what is the heat of fusion of water? (Points : 4)

TCO 7) How many kcal of heat must be added to 148 kg of aluminum to raise its temperature from 21.5  ℃  to 485  ℃ . Specific heat of aluminum is .22 kcal/kg ℃ . (Points : 4)