A physics student immerses one end of a copper rod in boiling water at   100 ∘C and the other end in an ice-water mixture at 0˚C . The sides of the rod are insulated. After steady-state conditions have been achieved in the rod, an amount of ice with a mass of 0.130 kg melts in a certain time interval. A) For this time interval find the entropy change of the boiling water. ΔS = ___________ B) For this time interval find the entropy change of the ice water mixture. ΔS = ___________   C) For this time interval find the entropy change of the copper rod. Explain why the answer is 0 J/K.   D) For this time interval find the total entropy change of the entire system. ΔSsystem = __________

Q: Estimate the entropy change of 1.00 m*3 of water at 0*C that is frozen and then reduced to -10*C by…

A: Given Volume = 1 m3 Initial temperature Ti = 0*C = 273K Final temperature Tf = -10*C = 263K Density…

Q: Find the total change in entropy if 2kg2kg of ice at 0.00∘C0.00∘C is mixed with 25.0kg25.0kg of…

A: Ice of mass m1=2kg at temperature T1=0 C=273 K is mixed with water of mass m2=25kg at temperature…

Q: Suppose 1.99 kg of water at 16.6°C is mixed with 1.36 kg of water at 79°C. After equilib- rium is…

A: Data Given.  m1 = 1.99 kg  T1 = 16.6°C = ( 273 + 16.6 ) K = 289.6 K  m2 = 1.36 kg T2 = 79°C = ( 273…

Q: A heat source generates heat at a rate of 55.0 W (1 W=1 J/s)55.0 W (1 W=1 J/s). How much entropy…

A: Given;-  A heat source generates heat at a rate of  P = 55 W = 55 J/sec  The surrounding temperature…

Q: Compute the entropy change of 5 g of water at 100 °C as it changes to steam at 100 °C.

A: Mass of water: m = 5g =5×10-3 kgTemperature of water= Temperature of stream: T =100O C = 373 K

Q: Half of a 1.5-kg block of ice melts at 0.00°C. What is the change in entropy of the ice? Note that…

A: given that,mass, m=1.5 kgheat of fusion L=333kJkgT=0°C=273 K

Q: In a very mild winter climate, a heat pump has heat transfer from an environment at 5.00C to one at…

A: Given: The temperature of environment is T=5°C. The temperature is T'=35°C.   The expression to…

Q: A Styrofoam cup holding 145 g of hot water at 1.00 x 102°C cools to room temperature, 18.0°C. What…

A: Given Data: Mass of hot water is m=145 g=0.145 kg Initial temperature is T1=1.00×102 °C=100 °C…

Q: A 0.750-L cup of coffee at 82.0 °C is left outside where the temperature is 4.00 C. Assume the…

A: Given data: The volume of coffee is V=0.750 L. The initial temperature of coffee is t=82oC. The…

Q: A body at 583.37 K undergoes a reversible isothermal process. The heat energy removed in the process…

A:

Q: Junyoung and Enkhtur are experimenting with an ideal gas. in their experiment, a 573-g quantity of…

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Q: Calculate the entropy change in kJ/K, of 10kg of Silver when it’s temperature increases from 20…

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Q: Every second at Niagara Falls, approximately 5.00 x 103 m3 of water falls a distance of 50.0 m. What…

A:

Q: On a hot summer day, 4.00×106J of heat transfer into a parked car takes place, increasing its…

A: The expression used to find average temperature is T=T1+T22 Insert values in the above equation…

Q: If I add 30J of heat to a system so that the final temperature of the system is 300K, what is the…

A: Entropy change = [Heat change in process÷ Temperature ] Heat change = 30J Temperature = 300K

Q: When a metal bar is connected between a hot reservoir at Th and a cold reservoir at Tc , the energy…

A: a. The entropy can be expressed as

Q: A 1.10 kg block of copper at 100°C is placed in an insulated calorimeter of negligible heat capacity…

A: Calculate the equilibrium temperature.1.1*100*385+3.5*4200*0=(1.1*385+3.5*4200)*TT=2.8 C Write the…

Q: A Styrofoam cup holding 144 g of hot water at 1.00 ✕ 102°C cools to room temperature, 25.0°C. What…

A: Given: The mass of hot water is m=144 g. The temperature of hot water is T=100 oC. The room…

Q: What is the change in entropy of 12.1 g of steam at 100°C as it condenses to liquid water at 100°C?…

A:

Q: Suppose that there are two very large reservoirs of water, one at a temperature of 85.0 °C and one…

A: Temperature of first reservoir (T) = 85oC temperature of second reservoir (T') = 19oC Heat…

Q: What is the entropy change involved in transforming 5 g of ice at 0C and 1 atm pressure into vapor…

A:

Q: When 150g of copper cools down from 200 °C to 25 °C, specific heat of copper is 385J/kg°C , what is…

A: mass of copper sample = 150 g = 0.15 kg Initial temperature = 200oC final temperature = 25o C…

Q: One end of a copper rod is in thermal contact with a hot reservoir at 1455 K, and theother end is in…

A:

Q: A thermal machine operates between two reservoirs at T2 = 600 K and T1 = 350 K. It receives 1.00 kJ…

A: Given, The temperature of the hot reservoir, T2=600 K The temperature of the hot reservoir, T1=350 K…

Q: Is the following statement true or false? The change in entropy of an object undergoing an adiabatic…

A: Part-I: Introduction: The change in entropy of the system is defined as the change in the disorder…

Q: As shown in the figure, a container is separated into two equal-volume compartments. The two…

A: Change in enteopy of a gasS2-S1=mcvPnT2T1+ mR ln V2V1

Q: se 24 kg of 93.5° C water is placed in contact with 24 kg of 11.5° C water. A) what is the enegry…

A: Given:- Suppose 24 kg of 93.5° C water is placed in contact with 24 kg of 11.5° C water.   Find:- A)…

Q: A rod made of cobalt with a mass of 0.90 kg is heated to 850°C, then dropped into 6.00 kg of water…

A:

Q: A heat engine whose thermal efficiency is 35 percent uses a hot reservoir at 1100 R and a cold…

A: Given,

Q: Water is slowly warmed from 25.0°C to 80.0°C. If the mass of the water is 240 g, what is the water's…

A:

Q: pose 1.00 kg of water at 42.5° C is placed in contact with 1.00 kg of water at 19.5° C. (a)  What…

A: GibenMass of hot water, mh=1 kgTemperature of hot water, Th=42.5°=42.5+273=315.5 KMass of cold…

Q: It takes about 335 J to melt one gram of ice. During the melting, the temperature stays constant.…

A: Given Data: Standard Data:

Q: 2.0 mol of a monatomic ideal gas are at a temperature of 300 K and a pressure of 1.0 atm.   What…

A:

Q: Refer to picture

A: The hot reservoir will have a loss of entropy. It is given by,

Q: Consider 4.00 mol of an ideal gas with a constant‑volume molar specific heat of 12.5 J/(mol·K), an…

A: Entropy is the measure of the degree of randomness of a system. It is an extensive property that…

Q: A quantity of an ideal gas in an isolated system expanded isothermally and reversibly at 400 K from…

A:

Q: Suppose we place 47 g of ice at 273 K in contact with a heat reservoir at 309K. Heat energy…

A: Given: Mass of ice, m = 47 g = 0.047 kg Temperature of ice, TI = 273 K Temperature of heat…

Q: system consists of 200 g of ice melting in a glass consisting of 300 ml of water at 60°c. consider…

A: The correct option is : option (d) - the combined entropy of the ice and water is always positive

Q: In an experiment, 190 g of aluminum (with a specific heat of 900 J/kg•K) at 53.0°C is mixed with…

A:

Q: On a hot summer day, 2.00 x 10° J of heat transfer into a parked car takes place, increasing its…

A: Given: Amount of heat transferred (Q) = 2 x 106 J Change in temperature (T) = 44.4 - 35.5 = 8.9 K or…

Q: An athlete whose mass is 70.0 kg drinks 16.0 ounces (454 g) of refrigerated water. The water is at a…

A:

Q: Find the total change in entropy if 2 kg of ice at 0.0° C is mixed with 25 kg of water at 20° C.…

A: Given data-

Q: One of the statements of the second law is that “heat cannot flow from a colder body to a warmer one…

A:

Q: The heat engine operates between temperatures of 320 K and 610 K. In one cycle, the machine takes…

A:

Q: Work is entropy free, and sometimes the claim is made that work will not change the entropy of a…

A: