Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 18, Problem 29SP
To determine
The specific heat of the metal if
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A 400-g piece of metal at 100°C is dropped into a cup containing 450 g of water at 15.0°C. The final temperature of the system is 40.0°C. What is the specific heat of the metal, assuming no heat is exchanged with the surroundings or the cup?
A blacksmith cools a chunk of iron initially at 625 °C by trickling water from a jug over it. The water in the jug has a temperature of 20.0°C. All of the water boils away and the iron chunk cools down 120 °C. If, in total, he poured 0.80 kg of water over the iron, what is the mass of this chunk of iron?
The specific heat capacity for water is 4190 J/(kg.°C). Water has a melting point of 0°C and a boiling point is 100°C. The latent heat of fusion for water is 3.34 x105 J/kg and its latent heat of vaporization is 2.26 x106 J/kg.
The specific heat capacity for iron is 470 J/(kg.°C). Iron has a melting point of 1538°C. The latent heat of fusion for iron is 2.47 x105 J/kg
A 200 gram copper calorimeter contains 400 g of water at 25 °C. A metal specimen weighing 250 g is heated to a certain temperature and then plunged into the calorimeter. The final temperature of the mixture is 42 °C. If then specific heat of the metal specimen is 0.09 cal/(g-°C), find the initial temperature of the specimen just before it was plunged into the calorimeter
Chapter 18 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 18 - 18.19 [I] Victoria Falls on the Zambezi River is...Ch. 18 - Prob. 20SPCh. 18 - 21. How much energy must be removed from a 10.0-kg...Ch. 18 - 22. A 100-kg chunk of ice at −150 °C is to have...Ch. 18 - Prob. 23SPCh. 18 - 24. A molten 50.0-kg quantity of gold at 1063 °C...Ch. 18 - Prob. 25SPCh. 18 - Prob. 26SPCh. 18 - Prob. 27SPCh. 18 - 18.28 [II] What will be the final temperature if...
Ch. 18 - Prob. 29SPCh. 18 - 18.30 [II] How long does it take a 2.50-W heater...Ch. 18 - 18.31 [II] A 55-g copper calorimeter contains 250...Ch. 18 - Prob. 32SPCh. 18 - 18.33 [II] How much heat is required to change 10...Ch. 18 - 18.34 [II] Ten kilograms of steam at 100 °C is...Ch. 18 - 18.35 [II] The heat of combustion of ethane gas is...Ch. 18 - Prob. 36SPCh. 18 - 18.37 [II] Determine the result when 100 g of...Ch. 18 - 18.38 [II] Determine the result when 10 g of steam...Ch. 18 - Prob. 39SPCh. 18 - 18.40 [II] How long will it take a 500-W heater to...Ch. 18 - Prob. 41SPCh. 18 - 18.42 [II] On a certain day the temperature is 20...Ch. 18 - 18.43 [II] How much water vapor exists in a 105-...Ch. 18 - 18.44 [II] Air at 30 °C and 90 percent relative...
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- During heavy exercise, the body pumps 2.00 L of blood per minute to the surface, where it is cooled by 2.00C. What is the rate of heat transfer from this forced convection alone, assuming blood has the same specific heat as water and its density is 1050kg/m3 ?arrow_forwardWhipping cream is made at home by using a cold bowl to help the cream stiffen. The bowl is made of aluminum with a specific heat of 897 J/kg-°C, is placed onto an ice bath to serve as the cooling medium. What is the final temperature of the aluminum bowl and ice if the initial temperature of ice and the aluminum bowl is -5°C and 33°C, respectively? The mas of ice used is ½ kg and the bowl is 250 g. The ice has specific heat of 2090 J/kg-°C.arrow_forwardArelyz and Hyeonggyun drop a 378.0-g piece of metal at 100.0°C into 447.0 g of water at 20.0°C. The final temperature of the system is measured to be 50.0°C. What is the specific heat of the metal in J/kgK, assuming no heat is exchanged with the surroundings or the cup containing the water? The specific heat of water is 4190 J/(kg K).arrow_forward
- A 100 g glass container contains 250 g of water at 15.0 "C. A 70 g piece of unknown material at 100 °C is added to the water in the container. The final temperature of the mixture is 19.0 °C. What is the specific heat of the unknown material in J/kg "C? (specific heat of water = 4,186 J/kg "C, specific heat of glass=837.2 J/kg "C)arrow_forward3.60 g of boiling water at 100.0°C was splashed onto a burn victim’s skin and cooled to 42.9°C on the 37.0°C skin. How much heat is given up by the water? Specific heat capacity of water is 4.186 J/(g·K).arrow_forwardA 9.70-kg steel ball at 15.1°C is dropped from a height of 13.2 m into an insulated container with 4.50 L of water at 10.1°C. If no water splashes, what is the final temperature of the water and steel? The specific heat of steel and water is 450 J/(kg·K) and 4186 J/(kg.K) respectively. 1°Carrow_forward
- 0.0550 kg piece of glass is heated to an unknown temperature and dropped into a calorimeter containing 0.150 kg of water at 12.0 °C. The glass and the water reach a final temperature of 18.0 °C. What is the initial temperature of the glass?arrow_forwardA cabin has a 0.159-m thick wooden floor [k = 0.141 W/(m · C°)] with an area of 13.4 m². A roaring fire keeps the interior of the cabin at a comfortable 18.0 °C while the air temperature in the crawl space below the cabin is -16.4 °C. What is the rate of heat conduction through the wooden floor?arrow_forwardA stainless-steel-bottomed kettle, its bottom 22 cm in diameter and 1.7 mm thick, sits on a burner. The kettle holds boiling water, and energy flows into the water from the kettle bottom at 800 W. What is the temperature of the bottom surface of the kettle? Thermal conductivity of stainless steel is 14 W/(m⋅K)arrow_forward
- A 2.00 kg metal object requires 5020 J of heat to raise its temperature from 20.0°C to 40.0°C. What is the specific heat capacity of the metal? * 63.0 J/(kg. C°) 126 J/(kg. C°) 502 J/(kg. C°) 251 J/(kg. C°)arrow_forward16. NA block of metal of mass 0.250 kg is heated to 150.0°C and dropped in a copper calorimeter of mass 0.250 kg that contains 0.160 kg of water at 30°C. The calorimeter and its contents are insulated from the environment and have a final temperature of 40.0°C upon reaching thermal equilibrium. Find the specific heat of the metal. Assume the specific heat of water is 4.190 × 103 J/(kg · K) and the specific heat of copper is 386 J/(kg · K).arrow_forward1.2-kg of ice at -6.0°C is dropped into 5.0 L (5.566-kg) of car coolant. The initial temperature of the coolant is 25.0°C. The ice and coolant are insulated, so energy transfers to the outside is negligible. After hours, all ice melts and the final temperature of the mixture of water-coolant is 1.8°C. The specific heat of ice is 2090 J/kg °C; the specific heat of water is 4186 J/kg °C; the latent heat of fusion for water is 334000 J/kg. A. What is the energy needed for heating the ice to 0 °C? B. Determine the energy needed to melt the ice into water. C. Determine the total energy needed to heat the -6.0°C ice to 1.8°C water. (Please note: the total energy also includes the part heating water from 0.0 °C to 1.8 °C.) D. Determine the specific heat capacity of the coolant.arrow_forward
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