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(TCO 7) Change 535 K to ℃ . (Points : 4)

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Question 1.1. (TCO 7) Change 535 K to ℃ . (Points : 4)

Question 2.2. (TCO 7) Find the amount of work (in J) that is equivalent to 4850 cal of heat. (Points : 4)

Question 3.3. (TCO 7) How many joules of heat must be absorbed to cool 5.00 kg of water from 75.0to 10.0  ℃ ?  For water, c= 4190J/kg ℃. . (Points : 4)

Question 4.4. (TCO 7) A steel railroad rail is 40.0 ft long at 0  ℉ . How much will it expand when heated to 100 ℉ ? For steel α=6.5*  10 −6 / ℉ . (Points : 4)

Question 5.5. (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)

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