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Q: When 100g of copper cools down from 100 °C to 20 °C, specific heat of copper is 385 J/kg °C , what…
A: Given: The mass of the copper is 100 g. The initial temperature is 100oC. The final temperature is…
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: Humans cool off by perspiring; the evaporating sweat removes heat from the body. If the skin…
A: The objective of the question is to calculate the entropy change of the universe due to the…
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: As the metals reach thermal equilibrium, what is the entropy change of the universe? Express your…
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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: A student rolls 2 dice (an object that is a cube with faces numbered 1-6). The dice are "fair,"…
A: Entropy (S) of a macrostate that consists of Ω microstates may be given in terms of the Boltzmann…
Q: A 708-g quantity of a substance is at its melting point of -112.5∘C in the liquid state. The heat…
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Q: Consider taking two identical ice cubes out of the freezer. You place one in a cup and let it melt;…
A: Given Two identical ice cubes out of the freezer, You place one in a cup and let it melt; you take…
Q: of the system?
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Q: An 8.0 g ice cube at -10°C is put into a Thermos flask containing 100 cm³ of water at 20°C. (a) What…
A: Since you have posted multiple questions, we will provide the solution only to the first three…
Q: A 12 g ice cube at -13 °C is placed in a lake whose temperature is 19 °C. Calculate the change in…
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Q: On a given day, 25979 J of heat leaks out of a building. The inside temperature is 15.6 °C, and the…
A: Temperature of the building,…
Q: Suppose there are 10 distinguishable particles in a box divided into two equal compartments, A and…
A: The total number of distinguishable particle is N=10 The initial particles in the compartment A and…
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: What is the change in entropy of 10 moles of ideal diatomic gas that reversibly undergoes the…
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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: The surface of the Sun is approximately at = 700 K, and the temperature of the Earth’s surface is…
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Q: Find the vector product (a X b) of the two given vectors: a = 2i + 3j + 4k, b = 3i + 5j. Here, i, j…
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Q: Two objects which is the B1 (T = 40 C) and B2 (T = 18 C), has experienced entropy changes of 6.4 x…
A: The change in entropy of an object at a particular temperature is given by the equation dS=dQTdS is…
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: When 150g of copper cools down from 200 °C to 25 °C, specific heat of copper is 385J/kg°C , what is…
A: mass of copper sample = 150 g = 0.15 kg Initial temperature = 200oC final temperature = 25o C…
Q: A sophomore with nothing better to do adds heat to 0.500 kgkg of ice at 0 ∘C∘C until it is all…
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Q: Consider a system of 2 6-sided dice where the sum of the dice is the macrostate. What happens to the…
A: Given data, Given a set of three 6 sided dices. Where, a microstate represents the event for that…
Q: Homework 6 Problem 4: A mass m of water is heated reversibly from temperature T1 to T2 at a…
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Q: A 49.6 g block of copper whose temperature is 492 K is placed in an insulating box with a 107 g…
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Q: A cylinder of gas has a temperature of 32F. a) If 205J is added to the system at constant…
A: Given Gas is at T=32oF=273.15K a) The amount of heat added to the system is Q=205J So at a…
Q: container of ideal gas at standard temperature and pressure (273 K and 1 atm) undergoes an…
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Q: xpands isothermally to four times its Calculate the change in entropy in terms of the gas constant.
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Q: We trapped 28 kg of dry air, and it initially has standard pressure and temperature. The trapped air…
A: Given : Mass of the dry air trapped, m = 28 kg The trapped dry air, initially has standard…
We drop 2.0 kg of lead with a temperature of 100 °C into a lake with a temperature of 10 °C. For how much does the entropy of the lead, lake and the universe change?
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