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## Related Physics Q&A

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Q: The heat of evaporation of water at atmospheric pressure is Lv 2260 kJ/kg. a. How much of this heat…

A: Scenario - Water is evaporated at atmospheric pressure. Heat of evaporation - It is amount of energy…

Q: 20 kg of water at 25°C is contains in a rigid tank that fitted with a stirrer which delivers work to…

A: The amount of heat to raise the temperature of water is H = m c (T' - T) where, c is the specific…

Q: An aluminum block of mass 7.6 kg is originally at a temperature of 20°C and 1 atm. It is then heated…

A: Click to see the answer

Q: (4) 1.07kg of water ice at a temperature of T = -26.7°C is put in a perfectly insulating container…

A: Given quantities: mass of ice (m) = 1.07 kg initial temperature of ice (T1) = -26.7oC mass of water…

Q: The Sun radiates like a perfect black body with an emissivity of exactly 1. (a) Calculate the…

A: (a) Radius, R = 7 x 108 m Power, P = 3.8 x 1026 W Let the surface temperature of sun is T. By…

Q: The Sun radiates like a perfect blackbody with an emissivity of exactly 1. (a) Calculate the…

A: Radius of Sun Rs = 7×108 m emissivity e = 1 Power P = 3.8×1026 W Distance of the Sun from earth is D…

Q: The Sun radiates like a perfect black body with an emissivity of exactly 1. (a) Calculate the…

A: (a) radius, R = 7 x 108 m energy per unit time, E = 3.80×1026 W let the surface temperature of…

Q: The Sun radiates like a perfect black body with an emissivity of exactly 1. (a) Calculate the…

A: Click to see the answer

Q: At 20.0C, an aluminum ring has an inner diameter of 5.0000 cm and a brass rod has a diameter of…

A: Click to see the answer

Q: In a system, 4 mol of water is condensed. (a) If 157 kJ of heat is lost by the system to the…

A: Click to see the answer

Q: During a compression at a constant pressure of 250 Pa, the volume of an ideal gas decreases from…

A: We know that the expression for the change in the internal energy of the gas is given as below

Q: A solid cylindrical bar conducts heat at a rate of 133 w from a hot to a cold reservoir under…

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Q: A student living in a 4m x 6m x 6m dormitory room turns on her 150-W fan before he leaves the room…

A: The data given is as follows, 1. Volume of the room=4m×6m×4m=144 m3 2. Power of the fan, PW=150 W 3.…

Q: Core body temperature can rise from 98.6°F to 107°F during extreme exercise, such as a marathon run.…

A: Click to see the answer

Q: A mole of a diatomic gas at 0.1 m^3 is expanded isothermally at 298 Kelvins to 1.0 m^3 bar against a…

A: We have a diatomic gas at initial volume V1=0.1 m3 expanded isothermally to volume V2=1 m3 at…

Q: What happens to the internal energy of an insulated system when mechanical work is done on it? What…

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Q: A. Before going in for an annual physical, a 70.0-kg person whose body temperature is 37.0∘C…

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Q: A certain pond absorbs I = 980 W/m2 for a time period of an hour from the sun. Assume that all of…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: A 190 g copper bowl contains 160 g of water, both at 23.0°C. A very hot 480 g copper cylinder is…

A: Given: Weight of copper bowl, mb = 190 g Mass of water, mw = 160 g Mass of copper cylinder, mc = 480…

Q: (a) If you apply the same amount of heat to 1.00 mol of an ideal monatomic gas and 1.00 mol of an…

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Q: A hollow aluminum cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0°C. It is…

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Q: A hollow aluminum cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0°C. It is…

A: Part A:

Q: A 2.00-mol sample of helium gas initially at 300 K and 0.400 atm is compressed isothermally to 1.20…

A: Given: No. of moles n = 2.00 mol Temperature T = 300 K Initial pressure P = 0.4 atm or 0.4 × 105 bar…

Q: Before beginning a long trip on a hot day, a driver inflates an automobile tire to a gauge pressure…

A: The initial gauge pressure is The final gauge pressure is

Q: Between 1793 and 1837, the U.S. penny was made entirely of copper and had a mass of 3.20 g. A coin…

A: Click to see the answer

Q: An insulated copper beaker of mass 0.5 Kg contains 0.25 Kg of water at 750 You add x Kg of Ice at…

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Q: The temperature of 2.00 mol of an ideal monatomic gas is raised 15.0 K in an adiabatic process.What…

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Q: A brass ring of diameter 10.00 cm at 20.00C is heated and slipped over an aluminum rod of diameter…

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Q: Following a collision between a large spacecraft and an asteroid, a copper disk of radius 28.0 m and…

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Q: A 1.0 m * 1.5 m double-pane window consists of two 4-mm-thick layers of glass (k = 0.78 W/m·K) that…

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Q: 1 For four situations for an ideal gas, the table gives the energy transferred to or from the gas as…

A: According to First law of thermodynamics, the heat, the change in internal energy and work done by…

Q: The temperature of 2.20 mol of an ideal monatomic gas is raised 17.6 K at constant volume.What are…

A: Given : number of moles of gas, n = 2.20 mol rise in temperature, ΔT = 17.6 K…

Q: A 2.00-mol sample of helium gas initially at 300 K and 0.400 atm is compressed isothermally to 1.20…

A: Click to see the answer

Q: 4.0 mol of monatomic gas A initially has 9000 J of thermal energy. It interacts with 3.0 mol of…

A: At thermal equilibrium temperature of both gases become same. Therefore, Energy of monoatomic gas =…

Q: Assume Lake Huron contains 3.60 ✕ 1012 m3 of water, and assume the water's density is that of water…

A: Click to see the answer

Q: Can you show how to work this?

A: Given:

Q: Now we consider 4.0 kg of lead with temperature raised from 20°C to 40°C. (The expansion coefficient…

A: Given Data: The mass of lead is m=4.0 kg The initial temperature of the lead is, T1=20℃ The final…

Q: Unreasonable Results - A meteorite 1.20 cm in diameter is so hot immediately after penetrating the…

A: diameter, d = 1.2 cm radius, r = 0.6 cm Power, P = 20 kW emissivity, e = 0.8 Temperature of…

Q: In a 60 mm diameter cylindrical nuclear reactor fuel rod é ü, 1 = 3.929 x 107 W / m3 uniformly…

A: Given data: Diameter of rod, d=60 mm=0.06 m Radius, r=0.06 m2=0.03 m Internal heat generation,…

Q: Lake Erie contains roughly 4.00 x 1011 m3 of water. (a) How much energy is required to raise the…

A: Click to see the answer

Q: A(n) 4.3-kg copper block is given an initial speed of 8.8 m/s on a rough horizontal surface. Because…

A: mass = 4.3 kg speed = 8.8 m/sInitial kinetic energy = (1/2)(m)(v)2 = (1/2)(4.3)(8.8)2 = 166.5…

Q: Assume Lake Huron contains 3.60 ✕ 1012 m3 of water, and assume the water's density is that of water…

A: Click to see the answer

Q: 35. A fixed mass of an ideal gas slowly releases 1500 J of heat and as a result contracts slowly, at…

A: Given data: Amount of heat released, Q=1500 J Pressure, P=2.0×104Pa Volume: V1=0.050 m3; V2=0.025 m3

Q: An air conditioner with refrigerant-134a as the working fluid is used to keep a room at 23°C by…

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Q: The initial temperature of three moles of oxygen gas is 23.5°C, and its pressure is 6.30 atm. (a)…

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Q: One mole of a monatomic ideal gas, initially at pressure P1 = 105 Pa and temperature T1 = 273 K…

A: Click to see the answer

Q: The following information is given for mercury at 1 atm: AHvap (356.60°C) = 295.6 J/g AHfus…

A: Solution: Given that m = 40.6 g= 0.0406 kg T1 = 199.7 °C T2 = 375 °C To calculate the energy…

Q: A grandfather clock is controlled by a swinging brass pendulum that is 1.6 m long at a temperature…

A: The expression to solve for the change in length of the pendulum is as follows: ΔL=LαΔTΔL=LαTf-Ti…

Q: For n = 3 moles, T = 310 K, and V2 = 3.5V1, determine the work done by the gas on the external body.…

A: Given: n=3 mole T=310 K V2=3.5 V1 R=8.314 JK mol To find: the work done by the gas on the external…