Using the relations dS=dQ/T and dQ=mCdT, what is the change in entropy of 20 kg of water warmed from 0 degrees Celsius to 35 degrees Celsius?

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A: Given: The mass of the copper is 100 g. The initial temperature is 100oC. The final temperature is…

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A: The entropy of a system can not decrease .

Q: On a winter day, a certain house loses 5.00 × 108 J of heat to the outside (about 500,000 Btu). What…

A: On a winter day, a certain house loses 5.00 × 108 J of heat to the outside (about 500,000 Btu). What…

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A: We have to write about the Second law of thermodynamics and have to recognise which of the following…

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Q: The 2nd Law of thermodynamics states that the change in internal energy of a system equals the net…

A: According to 2nd law of thermodynamics states that the change in internal energy of a system equals…

Q: A Styrofoam cup holding 125 g of hot water at 1.00 x 102°C cools to room temperature, 20.0°C. What…

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Q: When 0.50 kg of water at 0°C freezes, what is the change in entropy of the water? The latent heat of…

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Q: What is the change in entropy (in J/K) of 1 kg of liquid water when it is frozen to ice at a…

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Q: Two moles of an ideal gas undergo a reversible isothermal expansion from 2.99×10−2 m3 to 4.98×10−2…

A: Given, initial volume of gas Vi=2.99×10-2m3, final volume of gas Vf=4.98×10-2m3, temperature…

Q: 840 g of water (Cp = 4.186 J/g-K) is heated to 94 ⁰C at constant pressure. The resulting change in…

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Q: 10 Kg of water at 20°C is converted to steam at 250°C under one atmospheric pressure. The entropy…

A: mass of water =  kg Initial temperature = 20oC final state = steam @250oC

Q: A 3.7 kg block of ice melts at temperature 0°C. What is the change in entropy of the ice? Let the…

A: Given Mass of ice block is m=3.7 kg Latent heat of fusion is Lf=334×103 J/kg Temperature is…

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

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Q: Find the change in entropy of the helium when it is heated from 300 K to 1000 K at constant…

A: Initial temperature of the helium gas,Final temperature of the helium gas,

Q: When 0.150 kg of steam at 100°C condenses to water at 100°C, what is the change in entropy of the…

A: Given: The mass of the steam is 0.15 kg. The temperature of the steam is 100oC. The latent heat of…

Q: A Styrofoam cup holding 125 g of hot water at 1.00 × 102 °C cools to room temperature, 20.0°C. What…

A:

Q: 2.5 kg of water at 32 ∘C is mixed with 2.5 kg of water at 63 ∘C in a well-insulated container.…

A: SOlution: Given that 2.5 kg of water at 32 ∘C is mixed with  2.5 kg of water at 63 ∘C in a…

Q: 5sl9 abai The standard entropy, S°, of a substance is its entropy at 25 K and 1 atm pressure its…

A: Solution

Q: For which of the following thermodynamic processes is the increase in the internal energy of an…

A: First law of thermodynamics will be used according to which net heat transfer to the system is equal…

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: 2.0Kg of water at 0 degree celcius heated to 100 degree celcius. Compute its change in entropy. Mc…

A: Check out the form of chemical

Q: A thermodynamic process occurs in which the entropy of a system changes by -6 J/K. According to the…

A: Clausius statement of The Second law of thermodynamics states that in any reversible or irreversible…

Q: A thermodynamic process occurs in which the entropy of a system changes by −6 J/K. According to the…

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Q: What is the change in entropy of 500 grams of steam at 110 degrees Celsius when it is condensed to…

A: Mass of steam = 500 gram = 0.5 kg. Temperature = 110°C Total heat required = Latent heat of…

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: A phase change, such as melting or freezing, occurs at a fixed temperature. What happens to the…

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Q: 10 Kg of water at 20°C is converted to steam at 250°C under one atmospheric pressure. The entropy…

A: GIVEN DATA: mass of water, m=10 kg Twater=20°C Tsteam=250°C

Q: "In heating 250 cubic cm of water, you place an electric element in the cup. As the water…

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Q: In a thermodynamic system the expression for work done at constant pressure and volume change is…

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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

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Q: you are told that the entropy of a system is zero, what do you know about the system?

A: Zero entropy means perfect knowledge of a state no motion, no temperature, no uncertainty. This…

Q: What is the change in entropy in converting 1.0 kg of ice at 0.0 degree celsius to 1.0 kg water at…

A: mass of solid ice at 0° C , m = 1.0 kg is converted into water at 0° C of weight 1.0 kg  To find =…

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Q: The temperature at the surface of the Sun is approximately 5,600 K, and the temperature at the…

A: given,Ts=5,600 KTe=291 Kenergy transferred, E=4.50×103 J

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

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Q: 1.0 kg of water at 35°C is mixed with 1.0 kg of water at 45°C in a well-insulated container.…

A: Given data: Mass of first sample is, m1=1.0 kg. Temperature of first sample is, T1=35∘C=35+273=308…

Q: A Styrofoam cup holding 142 g of hot water at 1.00 ✕ 102°C cools to room temperature, 21.0°C. What…

A: Here,  Q=mc∆T=142×10-3 kg4186 J/kg·°C100°C-21°C=46958.548J

Q: Suppose that 1.00 kg of water at 0°C is mixed with an equal mass of water at 100°C. After…

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Q: When 1.60 x 105 J of heat transfer occurs into a meat pie initially at 20.0°C, Its entropy increases…

A: solution as