iture of of ice at 0.00 C must be added iton of I e the temperature of the mix- 100.0"C to 681.0 g of water at a tem- perature of 25.0"C in an aluminum 5.00 07 : 8'8. 19- temperature must a 500.0-g calorimeter having a mass of 182.0 g? be be heated to convert 60.0 g a temperature of -20.0'C to 20.0C? 1646 CHAPTER 8 198 GROUP B 11. What is the final temperature of a added to 150.0 g of water at a tem- mixture of 50.0 g of ice at 0.00"C and perature of 20.0"C in a calorimeter. 50.0 g of water at 80.0"C? = The mass of the calorimeter is 75.0 g; 12. A calorimeter, specific heat 0.500 its specific heat is 0.500 Jig.C'. The J/g.C', mass 200.0 g, contains 300.0 g equilibrium temperature of the mix- of water at 40.0"C. If 50.0 g of ice at ture is 73.9"C. Calculate the heat of 0.00"C is dropped into the water and vaporization. 2343 3/ stirred, the temperature of the mix- 16. A mixture of ice and water, mass ture when the ice has melted is 200.0 g, is in a 100.0-g calorimeter, 23.8'C. Calculate the heat of fusion of specific heat 0.800 J/g.C . When ice. 3yo 7/; 40.0 g of steam, is added to the mix- 13. A block of silver, with a mass of ture, the temperature is 60.0*C. How 500.0 g. temperature 100.0 C, is put many grams of ice were originally in in a calorimeter with 300.0 g of water, the calorimeter?". /26 temperature 30.0'C. The mass of the 17. An aluminum cylinder, "mass 50.0 g. calorimeter is 50.0 g, and its specific is placed in a 100.0-g brass calorime- heat is 0.500 J/g.C'. A 50.0-g mass of ter with 250.0 g of water at 20.0"C. ice at - 10.0'C is put in the calorime- What equilibrium temperature is ter. Calculate the final temperature. 20.1 0 reached after the addition of 25.0 g of 14. What is the final temperature attained steam at 120.0"C? 73.4'C when 900.0 g of ice at 0.00'C is 18. A copper ball with a mass of 4.54 kg dropped into 3400.0 g of water at is removed from a furnace and 93.3-C in a calorimeter having a mass of 1350 g and a specific heat of dropped into 1.36 kg of water, tem- 0.400 Jig.C7 5.'6 perature 22.0"C. After the water stops 15. To determine the heat of vaporization boiling, the combined mass of the ball of water, 15.0 g of steam at 100.0*C is and water is 5.45 kg. What is the fur- nace temperature? $3) 'C