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A container of 0.5 kg of water at 30 °C is cooled with the removal of 60000J of heat. What is

A container of 0.5 kg of water at 30 °C is cooled with the removal of 60000J of heat. What is the final temperature of the water?. How many joules of heat must be added to 5 kg of water to bring it from the freezing point to the boiling point?.

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A container of 0.5 kg of water at 30 °C is cooled with the removal of 60000J of heat. What is

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  1. A container of 0.5 kg of water at 30°C is cooled with the removal of 60000J of heat. What is the final temperature of the water?

  2. How many joules of heat must be added to 5 kg of water to bring it from the freezing point to the boiling point?

  3. A 0.25 kg cup at 20°C is filled with 0.25 kg of boiling coffee. The cup and the coffee come to thermal equilibrium at 80°C. If no heat is lost, what is the specific heat of the cup’s material?

  4. After being cut, a 0.64 kg diamond is dropped into an insulated water bath containing 1.00 kg of water. The water temperature increased by 1.30°C, and the diamond’s temperature decreased by 15.54°C.What is the specific heat capacity of diamond?

  5. A 0.4 kg sample of methanol (cmethanol = 2550 J/kg°C) at 16°C is mixed with 0.5 kg of water at 85°C. Assume that there is no heat loss to the surroundings. What is the final temperature of the mixture?

  6. A 0.4 kg iron horseshoe (ciron = 448 J/kg°C) that is initially 500 °C is dropped into a bucket containing 20 kg of water at 22°C. What is the final equilibrium temperature?

  7. A 200 g block of copper (ccu =387 J/kg °C) at temperature of 90 °C is dropped into 400 g of water at 27 °C . The system is insulated such that no heat leaves the system. What is the final temperature of the system.

  8. A piece of metal with mass of 0.15 kg is heated to 400°C and then placed in a 0.20 kg aluminum calorimeter cup containing 0.15 kg of water at 10°C. If the final temperature of the mixture is 30.5°C, what is the specific heat of the metal? (cAl=900 J/kg °C)

  9. A piece of copper ( mCu=.15 kg) is heated to 100°C and put into a calorimeter cup containing 0.2 kg of water at 20 °C. The final temperature is measured to be 25 °C . If the aluminum cup has a mass of 0.045 kg, what is the specific heat of copper? (cAl=900 J/kg °C)

  10. How much heat is needed to change the temperature of a piece of ice, whose mass is 0.72 kg at -10°C to a liquid at 15°C ? (Cice=2060 J/kg °C)

  11. How many joules are released to turn 800 grams of steam at 135 °Ctoice at -20 °C. CW=4186 J/kg °C , Cice=2060 J/kg °C , Csteam=2020 J/kg °C,

  12. A 175 g lump of molten lead at its melting point 327ºC is dropped into 55 g of water at 20ºC . If there is no heat loss to the outside, what is the final temperature of the mixture if the water remains in the liquid state? (clead = 128 J/kgºC, Hf,lead = 2.45 x 104 J/kg)

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