Exactly 500 grams of ice are melted at a temperature of 32°F. (Lice = 333 J/g.) What is the change in entropy (in J/K)?
Q: 170 g of water at 105°C is converted to steam. What is the entropy change of the water that is now…
A: latent heat of boiling water = 2256 KJ/kg = 2256 J/g mass = 170 g Heat required to change the state…
Q: Wood burns at a temperature of approximately 500. °C. One cord of seasoned (dry) firewood releases…
A: This problem can be solved using the formula for change in entropy in a process.
Q: A Styrofoam cup holding 125 g of hot water at 100°C cools to room temperature, 20.0°C. What is the…
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Q: Heat of amount 250 J is removed from a heat reservoir at a temperature of 270 K. What is the entropy…
A: According to guidelines we need to solve only first question kindly repost other questions in the…
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A: The objective of the question is to calculate the entropy change of the universe due to the…
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Q: A Styrofoam cup holding 145 g of hot water at 1.00 ✕ 102°C cools to room temperature, 25.0°C. What…
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Q: A pot containing 790 g of water is placed on the stove and is slowly heated from 34°C to 79°C.…
A: We know that change of entropy is,∆S = ms ln(T2/T1)where,m = mass in kg s= specific heat of water =…
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: If you add 400 J of heat to a system so that the final temperature of the system is 200 K, what is…
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Q: On a hot summer day, 4.00×106 J of heat transfer into a parked car takes place, increasing its…
A: Change in entropy is given by the formula: ∆S=QTwhere,∆S is change in entropyQ is heat transferT is…
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: Og of Water is heated from 0°C to 100 °C, and (c) 100 g of water is vaporized at 100 °C? Use the…
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Q: a kilogram of water at 0c is heated to 50c. compute change in entropy. assume that the specific heat…
A: The change in the entropy is called by, ∆S=mCpln(T2T1).........(1) Given: Mass m=1kg specific heat…
Q: A Styrofoam cup holding 127 g of hot water at 1.00 x 102°C cools to room temperature, 24.0°C. What…
A: Given:Mass of hot water in cup (m) = 127 gTemp of hot water in cup (Ti) = 100 °CRoom temperature…
Q: A heat engine absorbs 2500 J of heat at 250°C and expels 2000 J at a temperature of 50°C. The change…
A: Given: Heat absorbed at T1=250°C is Q1=2500 J Heat expelled at T2=50°C is Q2=2000 J
Q: A freezer is used to freeze 1.5 L of water completely into ice. The water and the freezer remain at…
A: The expression for change in entropy is, ∆S=QT…
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: 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: A 75 g ice cube at 0∘C is placed on a very large table at 20∘C. You can assume that the temperature…
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Q: What is the entropy S of this system at a given temperature T, asT→∞, and T→0. We expect the entropy…
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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: 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: bring about a 7.7 J/K increase in the entropy
A: The amount of energy that would have to be transferred to a room temperature environment to bring…
Q: J of heat flows from a hot reservoir at 310 degrees celsius to a cold reservoir at 220 degrees…
A: Given:- 600 J of heat flows from a hot reservoir at 310 degrees celsius to a cold reservoir at 220…
Q: A 68.7-g ice cube is initially at 0.0°C. (a) Find the change in entropy of the cube after it melts…
A: The given data are: m=68.7 g=0.0687 kgLf=3.33×105 J/kgT=0° C=273 K Here, m denotes the mass, T…
Q: What is the change in entropy of 20 g of ice at 0 °C when it melts to become water at 0 °C?
A: Given that,Mass of the ice : m = 20 (g)Initial temperature : Ti = 237 (K)Here we need to find the…
Q: Two hundred joules of heat are removed from a heat reservoir at a temperature of 200 K. What is the…
A: Given data: The heat removed from a reservoir is: Q = 200 J The temperature at which heat is…
Q: Considering the free expansion of a gas. Initially 0.700 mole of nitrogen gas is confined to a…
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Q: The temperature at the surface of the Sun is approximately 5,450 K, and the temperature at the…
A: The temperature of the Sun Ts = 5450 K The temperature of the Earth Te = 291 K Energy transferred…
Q: 170 g of water at 105°C is converted to steam. What is the entropy change of the water that is now…
A: The expression for find change in entropy is ∆s=mLvT
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: If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is…
A: Given: 100J of heat added to the system Q = 100J change in temperature is…
Q: 50 g of water at 30 degrees Celcius is changed into vapor at 100 degrees Celcius. Find the change in…
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Q: An ice tray contains 500 g of water. Calculate the change in entropy of the water as it freezes…
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Q: On a cold day, 17400 J of heat leaks out of a house. The inside temperature is 24.0° C, and the…
A: Given Data: The amount of heat leaks is, Q=17400 J The inside temperature of the house is, Th=24°C…
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: What is the change in entropy of the ice when a 0.050-kg ice cube at 0°C melts? The latent heat of…
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Q: A gas expands adiabatically and reversibly. What is its change in entropy?
A: Entropy The entropy is the measure of the thermal energy present in the system per unit temperature…
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: The entropy of a block of ice increases by 75 J/K as it warms from -33 degrees Celsius to 0 degrees…
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