Air is compressed steadily by a 5-kW compressor from 100 kPa and 17C to 600 kPa and 167C at a rate of 1.6 kg/min. During this process, some heat transfer takes place between the compressor and the surrounding medium at 17C. Determine the rate of entropy change of air during this process.

Q: What is the change in entropy as 58.3 J flows from 331°C to 197°C?

A: Given: Q=58.3j T1=331 deg.c=604K T2=197 deg.c=470K Lets's find Change in entropy.

Q: A container with a total volume of 2.77 L is divided in half so that there are two compartments of…

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Q: Water is slowly warmed from 17.0°C to 85.0°C. If the mass of the water is 320 g, what is the water's…

A: Solution: Given that: Mass of the water is: m=320g=0.32 kg Temperatures are:…

Q: 20 grams of ice initially at -15◦C is placed on top of 100 grams of 350◦C solid gold in a thermally…

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Q: A container with 41 g of a certain liquid (c = 4171 J/kg · °C, Lv=2224 kJ/kg) at 22 °C is heated up…

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Q: An ice tray contains 360 g of liquid water at 0°C. Calculate the change in entropy of the water as…

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Q: 500 g of ice at -10.0°C are placed on top of a 2.00 kg slab of aluminum at 30.0°C. The system is…

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Q: There moles of an ideal gas undergo a reversible isothermal expansion. During the process the gas…

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Q: A 1.00-mol sample of an ideal monatomic gas is taken through the cycle shown in the figure. The…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 15 A mixture of 1773 g of water and 227 g of ice is in an initial equilibrium state at 0.000°C. The…

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Q: There is a 300-g covered aluminum cup at 25°F being filled with 190-g of water at 90°C. Equilibrium…

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Q: We mix 5 mole of oxygen with 5 mole of nitrogen at 300 K and atmospheric pressure. Calculate the…

A: Given, The number of moles of oxygen no=5 moles. The number of moles of nitrogen nn=5 moles The…

Q: The efficiency of the Otto cycle is given by e=1- (V₁/V₂) -1, where the ratio of larger volume to…

A: Given: Minimum volume, V2=40.0 cm3. Maximum volume, V1=240 cm3. γ=1.40 Requires: Efficiency=?…

Q: It melts completely 1.0 kg of ice at 0.0°C.  Calculate the change in entropy. (LF = 3.33 x 105 J/kg)

A: Since ice melts completely at 0°C, that means phase change takes place. So formula for change in…

Q: A 15-ft3 steel container that has a mass of 75 lbm when empty is filled with liquid water.…

A: The heat transferred to the environment can be obtained as

Q: A particular Carnot heat engine has two reservoirs held at different temperatures of 320 K and 2220…

A: Required :  The correct option.

Q: n = 2.19 mol of Hydrogen gas is initially at T = 342 K temperature and pi = 1.68×105 Pa pressure.…

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Q: Two constant-temperature reservoirs are kept in thermal contact with a 1.00 kg aluminum bar. One…

A: This problem can be solved using the formula for change in entropy.

Q: QUE STION FOUR: A light bulb operates at a temperature of 4,300 K and has an emissivity of 0.800 and…

A: Given, Temperature, T=4300K Area, A=5.5×10-6m2 Mass, m=2×10-3kg Initial Temperature, Ti=-30°C Final…

Q: . One mole of an ideal gas expands isothermally at T = 20°C from 1.1 m³ to 2.1 m³. The gas constant…

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Q: 30 grams of ice at -5 Celsius melt while being left at room temperature of 28 Celsius.  After…

A: Given data The mass of the ice is m = 30 grams The initial temperature of ice is Ti-ice = -5⁰C = 268…

Q: (a) In reaching equilibrium, how much heat transfer occurs from 1.2 kg of water at 40°C when it is…

A: Entropy increases in a closed system, such as the universe. But in parts of the universe, for…

Q: A 2.00-L container has a center partition that divides it into two equal parts as shown below. The…

A: Given   n1 = numbers of hydrogen gas moles  n2 = no of oxygen gas moles  n1 = 0.067  n2 = 0.067

Q: In a mechanical power cycle, the air contained in a piston-cylinder occupies 0.004 m3 and undergoes…

A: Concept used: There is no heat loss or heat gain during an adiabatic process.

Q: The temperature at the surface of the Sun is approximately 5,100 K, and the temperature at the…

A: temperature of surface of sun(TS)=5100 K Temperature of surface of earth(TE)=291K Energy(Q)=4.50 X…

Q: What change in entropy occurs when a 0.12 kg steam at 121 deg C is transformed into ice at -28 deg…

A: The mass of the steam: The initial temperature of the steam: The final temperature of the ice:…

Q: 1. A gas obeys the following equation of state: ap² T m³K bar mol where a = - P(v − b) = RT + -0.001…

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Q: Suppose you have a 36.4-g sample of a protein for which denaturation required an input of 2.20 J at…

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Q: power radiated

A: The statement that (a) no heat engine can be more efficient than a Carnot engine working between the…

Q: 150 g liquid water at 80.0°C is placed in an insulated flask. A 12.0 g ice cube at 0°C is added to…

A: Given values: Mass of the water, mw=150 gTemperature of the water, Tw=80°C=353 KMass of ice, mi=12…