Find the entropy change when a 2.4 kg aluminum pan at 155 ° is plunged into...

Question

Question

Find the entropy change when a 2.4 kg aluminum pan at 155 ° is plunged into 4.0 kg of water at 15°.

science physics

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

A 2.4 kg pan at 155 degrees C is dumped into 3.5 kg of water at...

A 2.4 kg pan at 155 degrees C is dumped into 3.5 kg of water at 15 degrees C. What is the change in entropy? Specific heat of pan is 900 J/(kg*K), and specific heat of water is 4184 J/(kg*K).
uppose you pour 0.350 kg of 20.0°C water into a 0.900 kg aluminum pan off the...

uppose you pour 0.350 kg of 20.0°C water into a 0.900 kg aluminum pan off the stove with a temperature of 165°C. Assume that the pan is placed on an insulated pad. What would be the final temperature (in °C) of the pan and water if 0.0300 kg of the water evaporated immediately, leaving the remainder to come to a common temperature with the pan?
Problem 13: Suppose you place 0.255 kg of 20.5°C water in a 0.45 kg aluminum pan...

Problem 13: Suppose you place 0.255 kg of 20.5°C water in a 0.45 kg aluminum pan with a temperature of 144.5°C, and 0.012 kg of the water evaporates immediately, leaving the remainder to come to a common temperature with the pan. What would be the final temperature, in degrees Celsius, of the pan and water? The heat of vaporization of water is Lv = 2256 kJ/kg. You may neglect the effects of the surroundings and the heat required to raise...

S Q. Find the entropy and/or temperature of steam at the following states Region k/kg K) 5 MPa 1 ...

s Q. Find the entropy and/or temperature of steam at the following states Region k/kg K) 5 MPa 1 MPa 18 MPa 400°C 40 kPa 40 kPa 120°C 50°C Quality, x-09, Mixed 71794 (<7.6700) Q. Determine the entropy change of water contained in a closed system as it changes phase rom saturated liquid to saturated vapor when the pressure is 0.1MPa and constant Why is the entropy change positive for this process? 2. Steam at 1 MPa, 6000C expands in...
A 0.55 kg aluminum pan, c a l = 900 , on a stove is used...

A 0.55 kg aluminum pan, c a l = 900 , on a stove is used to heat 0.4 liters of water from 21 ºC to 92 ºC. (a) How much heat is required? Q total = unit What percentage of the heat is used to raise the temperature of (b) the pan % and (c) the water? %
What is the change in entropy when 1 kg of water at 0°C is mixed with...

What is the change in entropy when 1 kg of water at 0°C is mixed with 3 kg of water at 20°C?

(a) Find the change in entropy when 2 kg of Oxygen at 600C are mixed with...

(a) Find the change in entropy when 2 kg of Oxygen at 600C are mixed with 6 kg of Nitrogen at 400C in a rigid vessel. The initial pressure of each component is 103 kPa and remains the same for that of the mixture. (b) What is the amount of heat transferred during the mixing process? Given, Cv = 0.743 J/g.oK for Nitrogen and Cv = 0.659 J/g.oK for Oxygen.
(a) Find the change in entropy when 2 kg of Oxygen at 600C are (30) mixed...

(a) Find the change in entropy when 2 kg of Oxygen at 600C are (30) mixed with 6 kg of Nitrogen at 400C in a rigid vessel. The initial pressure of each component is 103 kPa and remains the same for that of the mixture. (b) What is the amount of heat transferred during the mixing process? Given, Cv = 0.743 J/g.oK for Nitrogen and Cv = 0.659 J/g.oK for Oxygen.
Physical Chemistry Calculate the change in entropy when one mole of metallic aluminum is heated at...

Physical Chemistry Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol K1 and 31.75 J mol K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g1. The molar mass of aluminum is...

(a) Find the change in entropy when 2 kg of Oxygen at 60°C are mixed with...

(a) Find the change in entropy when 2 kg of Oxygen at 60°C are mixed with 6 kg of Nitrogen at 40°C in a rigid vessel. The initial pressure of each component is 103 kPa and remains the same for that of the mixture. (b) What is the amount of heat transferred during the mixing process? Given, Cv = 0.743 J/g. K for Nitrogen and Cv = 0.659 J/g. K for Oxygen.