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A 20kg aluminum block initially at 200 176C is brought into contact with a 20kg block of iron at 100 176C in an insulated enclosure. Determine the final equilibrium temperature and the

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755 A 20kg aluminum block initially at 200 176C is brought into contact with a 20kg block of iron at 100 176C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process. Answers:168.4 176C, 0.169 kJ/K Solution

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Apr 14, 2006 0183 32A 20kg aluminum block initially at 200 176C is brought into contact with a 20kg block of iron at 100 176C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process. Posted by Dr. B at 12:18 PM.

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Apr 14, 2006 0183 32A 20kg aluminum block initially at 200 176C is brought into contact with a 20kg block of iron at 100 176C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.

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Aug 09, 2021 0183 32The specific heat of aluminum is 897 J/kg K. This value is almost 2.3 times of the specific heat of copper. You can use this value to estimate the energy required to heat a 500 g of aluminum by 5 176C, i.e., Q m x Cp x T 0.5 897 5 2242.5 J.

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755 A 20kg aluminum block initially at 200 176C is brought into contact with a 20kg block of iron at 100 176C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process. Get 7.55 exercise solution 756 Reconsider Prob. 755.

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A 0.250kg block of a pure material is heated from 20.0 186C to 65.0 186C by the addition of 4.35 kJ of energy. Calculate its specific heat and identify the substance of which it is most likely composed. Suppose identical amounts of heat transfer into different masses of

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Jan 09, 2021 0183 32Problem 10 : a piece of unknown substance with a mass of 2 kg and a temperature of 280 Kelvins is brought in thermally contact with a 5kg block of copper initially at 320 K. This system is in isolation. After the system reaches thermal equilibrium, its temperature becomes 290 K. What is the specific heat of the unknown substance in cal/g. 176C

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The temperature of a 24.5g block of aluminum decreases from 30.0 176C to 21.5 176C. If aluminum has a specific heat of 897 J/ kg 183 176C , how large is the change in thermal energy of the block of aluminum A. 187 J C. 5,820 J B. 2,590 J D. 187,000 J

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2 200 g of water contained in a 280g aluminum can the water and can are initially at 15.0 176C. What is the final temperature of ... thermal equilibrium with a 1.85kg cube of aluminum initially ... A 1.00kg block of copper at 20.0 176C is dropped into a large

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The mass of each of the two blocks is m b 1. 50 kg, ... 70 C Mass of water 0.400 kg Mass of calorimeter 0.040 kg Specific heat of calorimeter 0. 63kJ / kg 183 C Initial temperature of aluminum 27 C Mass of aluminum 0.200 kg Final temperature of mixture 66. 3 ... A 1kg block of copper at 20 ...

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513 fe20kg A block of iron specific heat: 0.45 kJ/kg.K with a mass of 20 kg is heated from its initial temperature of 10 o C to a final temperature of 200 o C by keeping it in thermal contact with a thermal energy reservoir TER at 300 o C. All other faces of the block are completely insulated. Determine the amount of a heat and b entropy transfer from the reser

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A 0.250kg block of a pure material is heated from 20.0 186C to 65.0 186C by the addition of 4.35 kJ of energy. Calculate its specific heat and identify the substance of which it is most likely composed. Suppose identical amounts of heat transfer into different masses of

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0183 32An aluminum cup of mass 200 g contains 800 g of water in thermal equilibrium at 80.0 176C. The combination of cup and water is cooled uniformly so that the temperature decreases by 1.50 176C per minute. At what rate is energy being removed by heat Express your answer in watts. 9. A 1.50kg iron horseshoe initially at 600 176C is dropped into

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2021/01/09 0183 32Problem 10 : a piece of unknown substance with a mass of 2 kg and a temperature of 280 Kelvins is brought in thermally contact with a 5kg block of copper initially at 320 K. This system is in isolation. After the system reaches thermal equilibrium, its temperature becomes 290 K. What is the specific heat of the unknown substance in cal/g. 176C

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0183 32DOC 0183 32A 2.00kg aluminum block and a 6.00kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge of angle 30.0 176 as shown in Figure P4.63. Making use of Table 4.2, determine a the acceleration of the two blocks and b the tension in the string. Figure P4.63 ...

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29/11/2016 0183 32A 55.0g aluminum block initially at 27.5 C absorbs 725 J of heat. What is the final temperature of the aluminum Chemistry Thermochemistry Energy Change in Reactions. 1 Answer David H. 183 Ernest Z. Nov 29, 2016 The final temperature of aluminum is 42.1 176C. Explanation: QmcT This means that the amount of energy produced is equal to the mass of the system

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0183 32An aluminum cup of mass 200 g contains 800 g of water in thermal equilibrium at 80.0 176C. The combination of cup and water is cooled uniformly so that the temperature decreases by 1.50 176C per minute. At what rate is energy being removed by heat Express your answer in watts. 9. A 1.50kg iron horseshoe initially at 600 176C is dropped into

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0183 320.250 kg 4 186 J kg C 0.050 0 kg 387 J kg C 50.0 C 20.0 C 2.26 10 J kg 4186 J kg C 50.0 C 100 C 3.20 10 J 0.0129 kg 12.9 g steam 2.47 10 J kg w w cc f i s v w f s s m c mc T T m L c T m m 176 176 176 176 215 176 176 176 215 215. 11. Following a collision in outer space, a copper disk at 850 176C is rotating about its axis with an angular speed of 25 ...

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A 0.250kg block of a pure material is heated from 20. 0 ... How much heat transfer is required to raise the temperature of a 0.750kg aluminum pot containing 2.50 kg of water from 30. 0 ... How much heat transfer is necessary to raise the temperature of a 0.200kg piece of ice from 20. 0 ...

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An aluminum cup of mass 200 g contains 800 g of water in thermal equilibrium at 80.0 176C. The combination of cup and water is cooled uniformly so that the temperature decreases by 1.50 176C per minute. At what rate is energy being removed by heat Express your answer in watts. 9. A 1.50kg iron horseshoe initially at 600 176C is dropped into

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Problem 4: A 5.00 g sample of aluminum specific heat capacity 0.89 J g 175 1 176C 175 1 and a 10.00 g sample of iron specific heat capacity 0.45 J g 175 1 176C 175 1 are heated to 100.0 176C.The mixture of hot iron and aluminum is then dropped into 91.9 g of water at 23.7 176C. Calculate the final temperature of the metal and water mixture, assuming no heat loss to the surroundings.

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The mass of each of the two blocks is 1.50 kg, and the insulated tank is filled with 200 g of water. ... A 1.00kg block of aluminum is heated at atmospheric pressure so that its temperature increases from 22.0 176C to 40.0 176C. Find a the work done on the aluminum, b the energy added to it by heat, and c the change in its internal energy. ...

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20.1 Water at the top of Niagra Falls has a temperature of 10 o C. If it falls through a distance of 50 m and all of its potential energy goes into theating the water, calculate the temperature of the water at the bottom of the falls. Consider some mass M of water, initially at the top of Niagra Falls PE M g h. PE M 9.8 m/s 2 50 m

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0.250 kg 4 186 J kg C 0.050 0 kg 387 J kg C 50.0 C 20.0 C 2.26 10 J kg 4186 J kg C 50.0 C 100 C 3.20 10 J 0.0129 kg 12.9 g steam 2.47 10 J kg w w cc f i s v w f s s m c mc T T m L c T m m

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An aluminum tea kettle with mass 1.50 mathrm kg and containing 1.80 mathrm kg of water is placed on a stove. If no heat is lost to the surroundings, how much heat must be added to raise the temperature from 20.0^ circ mathrm C to 85.0^ circ mathrm C

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tot when two iron blocks, each of mass 1.00 kg, one at 200 176C and the other at 25 176C, are placed in contact in an isolated container. The specic heat capacity of iron is 0.449 J K1 g1 and may be assumed constant over the temperature range involved. 3A.9 a Calculate S tot when two copper blocks, each of mass 1.00 kg, one at 50 176C and the

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123 An aluminum ball is to be heated from 80 176C to 200 176C. The amount of heat that needs to be transferred to the aluminum ball is to be determined. Assumptions The properties of the aluminum ball are constant. Properties The average density and specific heat of aluminum are given to be 2,700 kg/m3 and 0.90 Cp kJ/kg. 176C.