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here while calculating entropy change in water and aluminium, in case of water i have used Q as positive since it's receiving heat and in case of Al i have given negative sign for Q since it's loosing it's heat energy.
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Hear capacity of aluminum: 900J/kg C
<Chapter 15 Problem 15.45 A...
Constants A 3.0-kg piece of aluminum at 28.4 °C is placed in 1.0 kg of water...
Constants A 3.0-kg piece of aluminum at 28.4 °C is placed in 1.0 kg of water in a Styrofoam container at room temperature (20.0 °C). Part A Estimate the net change in entropy of the system. Express your answer to two significant figures and include the appropriate units. uÅ ? a xa Хь X•10n x AS = Value Units O The unit you entered is not recognized. Review a list of acceptable units. No credit lost. Try again.
Chapter 12, Problem 088 A 0.290-kg piece of aluminum that has a temperature of -190 °C...
Chapter 12, Problem 088 A 0.290-kg piece of aluminum that has a temperature of -190 °C is added to 1.2 kg of water that has a temperature of 3.1 °C. At equilibrium the temperature is 0 °C. Ignoring the container and assuming that the heat exchanged with the surroundings is negligible, determine the mass of water that has been frozen into ice. Aluminum Ice Equilibrium (0.0?) Initial state Number Units the tolerance is +/-390 Click if you would like to...
The value of specific heat for copper is 360 J/kg x C degrees, for aluminum is...
The
value of specific heat for copper is 360 J/kg x C degrees, for
aluminum is 900 J/kg x C degrees, and for water is 4186 J/kg x C
degrees.
Course Home <Ch 14 HW Item 6 6 of 10 Consta The value of specific heat for copper is 390 J/kg.C.for aluminun is 900 J/kg.C. and for water is 4186 J/kg.C. Part A What will be the equilibrium temperature when a 215 g block of copper at 235 °C is...
L College Physics <CH09 HW-9 Problem 9.31 An air-track cart with mass m1 = 0.34 kg...
L College Physics <CH09 HW-9 Problem 9.31 An air-track cart with mass m1 = 0.34 kg and initial speed vo = 0.95 m/s collides with and sticks to a second cart that is at rest initially. Part A If the mass of the second cart is m2 0.50 kg, how much kinetic energy is lost as a result of the collision? Express your answer to two significant figures and include appropriate units. HA ? Value Units Previous Answers Submit Request...
two lugboats carrying per tanker - Google Search UB Phys 207 <HMK #10: Work Exercise 6.10...
two lugboats carrying per tanker - Google Search UB Phys 207 <HMK #10: Work Exercise 6.10 - Enhanced - with Feedback Part A A 15.0 kg package in a mail-sorting room slides 3.00 m down a chute that is inclined at 55° below the horizontal. The coefficient of kinetic friction between the package and the chute's surface is 0.30. Calculate the work done on the package by friction Express your answer with the appropriate units. 'HA OB ? W;- Value...
(Ch.15-1,2,3 Problem 15.34 <)10 of 15> -Part A The 0.15-kg ball has a speed of ui#23...
(Ch.15-1,2,3 Problem 15.34 <)10 of 15> -Part A The 0.15-kg ball has a speed of ui#23 m/s just before it is struck by the bat. It then travels along the trajectory shown before the outfielder catches it. (Figure 1) for 0.85 ms F Value Units Figure 1 of 1 Request Answer Next > Provide Feedback 2.5 m 75 m 100 m son Education Inc. All rights reserved. | Terms of Use I Privacy Polilcy Permissions I Contact Us 2:14 AM...
Problem 17.52 The pipe has a mass of 860 kg and is being towed behind a...
Problem 17.52 The pipe has a mass of 860 kg and is being towed behind a truck (Figure 1) Figure < 1 of 1 0.4 m Part A If the angle 8 = 30°, determine the acceleration of the truck. The coefficient of kinetic friction between the pipe and the ground is = 0.20 Express your answer to three significant figures and include the appropriate units. НА ? Value Units Submit Request Answer Part B Also, determine the tension in...
ourse Home <Ch 11 Problem 11.25 A sample of neon initially has a volume of 2.50...
ourse Home <Ch 11 Problem 11.25 A sample of neon initially has a volume of 2.50 L at 150 °C. What is the new temperature, in °C, when the volume of the sample is changed at constant pressure to each of the following? Part A 4.30 L Express your answer with the appropriate units. НА ? T = Value Units Submit Request Answer Part B 850. mL Express your answer with the appropriate units. Lu ? T= Value Units Submit...
Phys201-1 Summer2020 <A HW (Part 1)Phys201 Problem 7.79 A block of mass m = 2.70 kg...
Phys201-1 Summer2020 <A HW (Part 1)Phys201 Problem 7.79 A block of mass m = 2.70 kg starts from the rest and slides down a 300 incline which is 3.60 m high. At the bottom, it strikes a block of mass M-7.50 kg which is at rest on a horizontal surface (Figure 1). (Assume a smooth transition at the bottom of the incline.) The collision is elastic, and friction can be ignored Determine the speed of the block with mass m2.70...
< Problem Set #5 (Ch 15) Exercise 15.83 Ammonia can be synthesized according to the following...
< Problem Set #5 (Ch 15) Exercise 15.83 Ammonia can be synthesized according to the following reaction: N2 (9) + 3 H2 (9) = 2 NH3 (9) Kp = 5.3 x 10-5 at 725 K A 200.0-L reaction container initially contains 1.27 kg of N, and 0.310 kg of H2 at 725 K Part A Assuming ideal gas behavior, calculate the mass of NH3 (in g) present in the reaction mixture at equilibrium. Express your answer using two significant figures....
Constants A 3.0-kg piece of aluminum at 28.4 °C is placed in 1.0 kg of water in a Styrofoam container at room temperature (20.0 °C). Part A Estimate the net change in entropy of the system. Express your answer to two significant figures and include the appropriate units. uÅ ? a xa Хь X•10n x AS = Value Units O The unit you entered is not recognized. Review a list of acceptable units. No credit lost. Try again.
Chapter 12, Problem 088 A 0.290-kg piece of aluminum that has a temperature of -190 °C is added to 1.2 kg of water that has a temperature of 3.1 °C. At equilibrium the temperature is 0 °C. Ignoring the container and assuming that the heat exchanged with the surroundings is negligible, determine the mass of water that has been frozen into ice. Aluminum Ice Equilibrium (0.0?) Initial state Number Units the tolerance is +/-390 Click if you would like to...
The
value of specific heat for copper is 360 J/kg x C degrees, for
aluminum is 900 J/kg x C degrees, and for water is 4186 J/kg x C
degrees.
Course Home <Ch 14 HW Item 6 6 of 10 Consta The value of specific heat for copper is 390 J/kg.C.for aluminun is 900 J/kg.C. and for water is 4186 J/kg.C. Part A What will be the equilibrium temperature when a 215 g block of copper at 235 °C is...
L College Physics <CH09 HW-9 Problem 9.31 An air-track cart with mass m1 = 0.34 kg and initial speed vo = 0.95 m/s collides with and sticks to a second cart that is at rest initially. Part A If the mass of the second cart is m2 0.50 kg, how much kinetic energy is lost as a result of the collision? Express your answer to two significant figures and include appropriate units. HA ? Value Units Previous Answers Submit Request...
two lugboats carrying per tanker - Google Search UB Phys 207 <HMK #10: Work Exercise 6.10 - Enhanced - with Feedback Part A A 15.0 kg package in a mail-sorting room slides 3.00 m down a chute that is inclined at 55° below the horizontal. The coefficient of kinetic friction between the package and the chute's surface is 0.30. Calculate the work done on the package by friction Express your answer with the appropriate units. 'HA OB ? W;- Value...
(Ch.15-1,2,3 Problem 15.34 <)10 of 15> -Part A The 0.15-kg ball has a speed of ui#23 m/s just before it is struck by the bat. It then travels along the trajectory shown before the outfielder catches it. (Figure 1) for 0.85 ms F Value Units Figure 1 of 1 Request Answer Next > Provide Feedback 2.5 m 75 m 100 m son Education Inc. All rights reserved. | Terms of Use I Privacy Polilcy Permissions I Contact Us 2:14 AM...
Problem 17.52 The pipe has a mass of 860 kg and is being towed behind a truck (Figure 1) Figure < 1 of 1 0.4 m Part A If the angle 8 = 30°, determine the acceleration of the truck. The coefficient of kinetic friction between the pipe and the ground is = 0.20 Express your answer to three significant figures and include the appropriate units. НА ? Value Units Submit Request Answer Part B Also, determine the tension in...
ourse Home <Ch 11 Problem 11.25 A sample of neon initially has a volume of 2.50 L at 150 °C. What is the new temperature, in °C, when the volume of the sample is changed at constant pressure to each of the following? Part A 4.30 L Express your answer with the appropriate units. НА ? T = Value Units Submit Request Answer Part B 850. mL Express your answer with the appropriate units. Lu ? T= Value Units Submit...
Phys201-1 Summer2020 <A HW (Part 1)Phys201 Problem 7.79 A block of mass m = 2.70 kg starts from the rest and slides down a 300 incline which is 3.60 m high. At the bottom, it strikes a block of mass M-7.50 kg which is at rest on a horizontal surface (Figure 1). (Assume a smooth transition at the bottom of the incline.) The collision is elastic, and friction can be ignored Determine the speed of the block with mass m2.70...
< Problem Set #5 (Ch 15) Exercise 15.83 Ammonia can be synthesized according to the following reaction: N2 (9) + 3 H2 (9) = 2 NH3 (9) Kp = 5.3 x 10-5 at 725 K A 200.0-L reaction container initially contains 1.27 kg of N, and 0.310 kg of H2 at 725 K Part A Assuming ideal gas behavior, calculate the mass of NH3 (in g) present in the reaction mixture at equilibrium. Express your answer using two significant figures....
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