Find the change in the total entropy when 0.1 kg. of liquid water at 100 C is placed in thermal contact with a large thermal reservoir at exactly 00 C.

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: 25 g of methane at a temperature of 250 K and a pressure of 185 kPa was expanded isothermally until…

A: Temperature =250 k Initial pressure =185 kPa Final pressure =2.5 kPa Mass =25 g No of moles=…

Q: Compute the change in entropy for an ideal dry gas of mass M which is heated at constant volume from…

A: The expression for the entropy is,

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: Calculate the Delta G value from the following data and state whether the process will be…

A: Temperature , T = 298 K  Change in entropy , ∆S = +9.50 J /K Heat of reaction ,∆H = -85 KJ To find =…

Q: Consider a sample of an ideal gas with a volume of 11.00 L, a temperature of 270.0 K, and a pressure…

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Q: How much energy must be transferred as heat for a reversible isothermal expansion of an ideal gas at…

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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: Calculate the change in entropy of 250 g of water warmed slowly from 20.0°C to 80.0°C.

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Q: Calculate the entropy change for the gas.

A: Change in entropy = 11.52 * n J/K where n is number of moles of ideal gas

Q: What must occur in cases where in entropy decreases?

A: The entropy is defined to be a measure of randomness. In other words, it is the amount of energy…

Q: Calculate the entropy change involved in the isothermal expansion of 5 moles of an ideal gas against…

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Q: Illustrate the entropy statement of the second law of thermodynamics?

A: Definition: The second law of thermodynamics states that the total entropy of an isolated system can…

Q: Calculate the change in entropy of the gas when 4g of nitrogen is allowed to expand isothermally…

A: The number of moles of the gas is given by, n=Given massMolecular mass The molecular mass of…

Q: Does the entropy of a system always increase with an increase in temperature?

A: Not always. Entropy of system  increases when heat is transferred. And sometimes temperature can be…

Q: Suppose we put a small ice cube in a bucket containing 70 kg of water at 38 °C. As the ice melts, it…

A: heat transfer equation gives dH=mcdT ∆H=mc∆T where m is the mass of water=70kg c is the specific…

Q: Find the increase in entropy of 3.63 kg of liquid nitrogen that starts at its boiling temperature,…

A: Write the provided value with suitable variables.

Q: The compressor captures 1 m³ of air at a temperature of 293.15 K and a pressure of 1 bar and…

A: solution is given by

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: Consider an idcal gas of n moles with molar specific heats cy and cp. (a) Starting with the first…

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Q: An ideal gas, consisting of 5 moles, undergoes a reversible isothermal process during which the…

A: Given   N = 5 V 2= 2 *V1  V2 /V1= 2 Isothermal process  The change in entropy of the thermal…

Q: A litre of water at 20 degrees C is placed in a fridge at 5 degrees C. Calculate the change in…

A: When an object or a body loses heat, its temperature falls and the heat loss is  mathematically…

Q: A 5 kg block of ice initially at 268.15 K is placed in thermal contact with a very large reservoir…

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Q: On a hot summer day, 3.73  106 J of heat transfer into a parked car takes place, increasing its…

A: Given:  Heat exchanged, dQ=3.73×106 J Initial temperature, Ti=31.2°C Final temperature, Tf=50.6°C…

Q: Find the increase in entropy of 1.00 kg of liquid nitrogen that starts at its boiling temperature,…

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Q: Calculate the change in specific entropy for a completely

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Q: A 1.10-kg iron horseshoe is taken from a forge at 880°C and dropped into 3.00 kg of water at 15.0°C.…

A: As no energy is lost, so…

Q: A 1.00-kg iron horseshoe is taken from a forge at 900°C and dropped into 4.00 kg of water at 10.0°C.…

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Q: Calculate the change in entropy of 290 g of water warmed slowly from 25.0°C to 80.0°C. 1/K

A: Given Data  The mass of the water is given as m = 290gm. The initial temperature of the water is…

Q: Find the change in entropy during the transition of 8 grammes of oxygen from a volume of 10 litres…

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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…

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Q: Exactly 375 grams of ice are melted at a temperature of 40°C (Lice=333 J/g ). Find the change in…

A: M= 375g  T = 40°C = 40+273= 313 k  L= 333J /g

Q: Calculate the change in entropy as 0.0929 kg of ice at 273.15 K melts. The latent heat of fusion of…

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Q: Compute the entropy change of 5 g of water at 100 oC as it changes to steam at 100 degree celsius

A: Entropy can be expressed as, ΔS=QΔT

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 793-g quantity of a substance is at its melting point of -109.7°C in the lic state. The heat of…

A: Givenm=793 g=0.793 kgT=-109.7°C=-109.7+273=163.3 KLf=1.36×105  J/kgM=32.0 g/molR=8.314 J/mol K

Q: Every second at Niagara Falls, approximately 5 000 m3 of water falls a distance of 50.0 m. What is…

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Q: What three different mechanisms can cause the entropy of a control volume to change?

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Q: 3.2 Show that the entropy maximum principle encountered in the study of isolated systems [eq.…

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

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Q: Find the increase in entropy (in J/K) of 3.00 kg of liquid nitrogen that starts at its boiling…

A: Data Given,  Mass of the liquid nitrogen ( m ) = 3 kg Boiling point of temperature = Initial…

Q: Suppose that 10 distinguishable particles are equipartitioned in a container that has 100…

A: Number of particles, n = 10 Number of compartments, N = 100 Entropy, S = ?