A 130 g insulated aluminum cup at 29∘C is filled with 160 g of water at 63 ∘C. After a few minutes, equilibrium is reached. The final temperature is 58 ∘C. Estimate the total change in entropy. Express your answer to two significant figures and include the appropriate units.

Q: Three moles of an ideal gas undergo a reversible isothermal compression at 26.0 ∘C∘C. During this…

A: Work done on gas =2000j Temperature = 26°C=(273+26)=299k

Q: One kilogram of water is heated from 0 oC to 100 oC. Solve for the change in entropy of the water.

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Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

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Q: The molar heat capacities of gases are not perfectly constant, as we've assumed, but increase slowly…

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Q: 1. Analyze the graph using first law of thermodynamics and complete the following table by inserting…

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Q: Construct a table of all the possible combinations of numbers that can come up when you throw two…

A: The sample space (S) of the 2 dice is given as,

Q: A 110 g insulated aluminum cup at 29 °C is filled with 150 g of water at 60 °C. After a few minutes,…

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Q: On a typical day 654 men seps for 85h, does light chuss for 2.0h, waks Use any necessary date MO

A: Given: m=65 Kg tsleep=8.5 h tlight=2 h twalk=1.1 h tjpg=0.2 h To find the change in internal energy.

Q: Energy is added as heat to 250 g of water at 10°C, raising its temperature one Celsius degree. a)…

A: Given:  Mass of water = 250 gm Initial temperature of the  gas = 10 degree Celsius = 283 K Final…

Q: Methane is heated in a steady-flow process at approximately atmospheric pressure. 1000 kJ of heat is…

A: Since you have been posted multiple questions. SO we are solving only first question for you. If you…

Q: 40 g of aluminum at 100°C are placed in thermal contact with 40 g of copper at 0°C. The two metals…

A: See below

Q: Give a derivation of the ideal gas law in two dimensions, using dU=TdS+ydA where A is the area and y…

A: The equation you provided, , relates the change in internal energy (dU) of a system to its change in…

Q: 65 g of aluminum at 100°C are placed in thermal contact with 65 g of copper at 0°C. The two metals…

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Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

A:

Q: The density of liquid nitrogen is 810 kg/m³. What is the entropy change of the nitrogen if 140 mL of…

A: Given data:density of nitrogen, volume of nitrogen, initially nitrogen is boiled,so initial…

Q: possible configurations does not change.

A: Given: To find the change in the entropy using the values as, C=3.21×1042X=8872Y=3049

Q: System Stopcock closed Vacum

A: number of moles of the gas=1.0 mole Initial volume of the gas, Vi Final volume of the gas, Vf From…

Q: Question B2i. Give an equation for the infinitesimal change in entropy, ??, of a system in terms of…

A: The objective of the first part of the question is to provide the equation for the infinitesimal…

Q: How much heat energy is needed to change the entropy of a macrostate from 10.00 J/K to 10.01 J/K in…

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Q: Suppose 0.1 kg ice at 0 Celsius (273K) is in 0.5kg water at 20 Celsius (293K). What is the final…

A: We have mass of ice m1=0.1 kg at a temperature T1=273 K and water of mass m2=0.5 kg and temperature…

Q: Give the numerical answers as numerical values of the requested units (number only) to three…

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Q: 4.5 kg of water at 39 ^ °C is mixed with 4.5 kg of water at 67 °C in a well - insulated container.…

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Q: A system of 8,872 particles initially has 3.21*1042 possible configurations. If weremove some of the…

A: Let Ni and Nf denote the initial and final number of particles present in the system. They are given…

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

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Q: A 4.0-kg piece of aluminum at 29.4 °C is placed in 1.0 kg of water in a Styrofoam container at room…

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Q: Problem 1: Describe a situation in which the entropy of a container of gas is constant. In other…

A: The entropy of a container of a gas is constant. Therefore, ∆S=0

Q: Constants In a well-insulated calorimeter, 1.0 kg of water at 20°C is mixed with 1.0 g of ice at 0°…

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Q: When 2.1 kg of water at 12.3 °C is mixed with 3.7 kg of water at 39.7 °C in a well-insulated…

A: Given data: Mass of the water, m1=2.1 kg Temperature, T1=12.3C = 12.3 + 273 K∘ Mass of the water,…

Q: A system of 7,542 particles initially has 5.44 x 1039 possible configurations. If we remove some of…

A: Number of particles, present initially: ni=7542 Numbers of particles present finally: nf=2118  Total…

Q: Which of the following sentences is not correct? OEntropy can decrease locally. Efficiency of the…

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Q: b. From the temperature dependence of surface tension, researchers concluded that the entropy of the…

A: Given: The entropy of the surface layer is 157×10-6 JK. The temperature is 300 K. Introduction:…

Q: please answer letters a and b. avoid typing your answers a) Find the absolute entropy of nitrogen…

A: Unit of Entropy is Joule/mole.

Q: A box contains two balls that can be either blue or red. A blue ball has an energy -E1 while a red…

A: We have two energy levels given by E1 and -E1. Using this we can form a single particle partition…

Q: b. Prove the following two themodynamie property relationships :), -- () --(), ở P OP

A: Thermodynamic relations

Q: A box contains 100 gas molecules all released on the left side of the box. What is the initial…

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Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

A: