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3.0kg of an a molten (liquid) alloy with a melting point of 80°C is initially at temperature T. It is placed in an insulated container with a mass M of water initially at 50°. For this alloy, the specific heat is 600- when it is in its liquid phase, J kg K J and 400- when it is in its solid phase. The latent heat of fusion for the kg K alloy is 2.5 × 105. The specific heat for water is 41867 2. If M is 1.5kg, and the final state once equilibrium has been reached is water and molten alloy in equilibrium at 90°C, what was T? (a) 140°C (b) 180°C ***230°C (d) 310°C (e) 400°C J kg K 3. Assume that T 200°C. What range of masses M of the water are consistent with an equilibrium state of water in equilibrium with alloy at 80°C. (a) 1.1 to 4.3kg (b) Ola a

3.0kg of an a molten (liquid) alloy with a melting point of 80°C is initially at temperature T. It is placed in an insulated container with a mass M of water initially at 50°. For this alloy, the specific heat is 600- when it is in its liquid phase, J kg K J and 400- when it is in its solid phase. The latent heat of fusion for the kg K alloy is 2.5 × 105. The specific heat for water is 41867 2. If M is 1.5kg, and the final state once equilibrium has been reached is water and molten alloy in equilibrium at 90°C, what was T? (a) 140°C (b) 180°C ***230°C (d) 310°C (e) 400°C J kg K 3. Assume that T 200°C. What range of masses M of the water are consistent with an equilibrium state of water in equilibrium with alloy at 80°C. (a) 1.1 to 4.3kg (b) Ola a

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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I understand the solution for question 2 but could someone walk me through the solution to question 3 and 4 please. 

3.0kg of an a molten (liquid) alloy with a melting point of 80°C is initially at temperature T. It is placed in an insulated container with a mass M of water initially at 50°. For this alloy, the specific heat is 600kg K when it is in its liquid phase, when it is in its solid phase. The latent heat of fusion for the J and 400- kg K alloy is 2.5 × 105, X J The specific heat for water is 4186, kg 2. If M is 1.5kg, and the final state once equilibrium has been reached is water and molten alloy in equilibrium at 90°C, what was T? (a) 140°C (b) 180°C (c) ***230°C (d) 310°C (e) 400°C 3. Assume that T = 200°C. What range of masses M of the water are consistent with an equilibrium state of water in equilibrium with alloy at 80°C. (a) 1.1 to 4.3kg (b) 1.1 to 6.0kg (c) 1.7 to 6.0kg (d) 1.7 to 7.1kg (e) ***1.7 to 7.7kg J kg K. = 4. Suppose that T 200°C, and that M 12kg. What is the equilib- rium temperature of the solid alloy and water? (a) 55°C (b) 59°C (c) 64°C (d) ***69°C (e) 75°C =
Transcribed Image Text:3.0kg of an a molten (liquid) alloy with a melting point of 80°C is initially at temperature T. It is placed in an insulated container with a mass M of water initially at 50°. For this alloy, the specific heat is 600kg K when it is in its liquid phase, when it is in its solid phase. The latent heat of fusion for the J and 400- kg K alloy is 2.5 × 105, X J The specific heat for water is 4186, kg 2. If M is 1.5kg, and the final state once equilibrium has been reached is water and molten alloy in equilibrium at 90°C, what was T? (a) 140°C (b) 180°C (c) ***230°C (d) 310°C (e) 400°C 3. Assume that T = 200°C. What range of masses M of the water are consistent with an equilibrium state of water in equilibrium with alloy at 80°C. (a) 1.1 to 4.3kg (b) 1.1 to 6.0kg (c) 1.7 to 6.0kg (d) 1.7 to 7.1kg (e) ***1.7 to 7.7kg J kg K. = 4. Suppose that T 200°C, and that M 12kg. What is the equilib- rium temperature of the solid alloy and water? (a) 55°C (b) 59°C (c) 64°C (d) ***69°C (e) 75°C =
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