What is a solar power tower? How can solar power towers produce electricity for 24 hours when there is no sun present for 10 hours? What are the important heat transfer mediums used in solar power towers and what is the importance of helio- stats?

Q: Which of the following variables are called state variables of a thermo dynamical system? Oa.…

A: In thermodynamics state variables are point function that means they depend only on initial and…

Q: What is the First Law of Thermodynamics? Give 1 situation wherein the first law can be applied and…

A: Thermodynamics is a field of physics that deals with the thermal properties of a body to classify,…

Q: With reference to Kinetic Theory; explain the process of thermal expansion.

A: We are authorized to answer one problem at a time, since you have not mentioned which one you are…

Q: Derive the heat capacity using (a) Dulong-Peti's model, (b) Einstein's model, and (c) deBye's model.…

A: We are concerned with the density of states in the reciprocal space for the phonons. For the Debye…

Q: Why do we work at a temperature of 25°C. What happens if we increase the temperature

A: 25 Deg C is the Standard reference Ambient temperature

Q: tlassan wants to identify the material in the physics lab. In the lab there are many sample…

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Q: 1). You want to heat a hot air balloon. How hot above room temperature (20° C) do you have to get…

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Q: Suppose a cold front blows into your area and drops the current temperature of 90°F to 50.0°F.  What…

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Q: a. Write the first principle of thermodynamics for an open system and describe the

A: In this question we have to explain the first principle of thermodynamics  for an open system. Note:…

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A: Will the value of specific heat capacity c depend on whether you are using Celcius or Kelvin scale.…

Q: Question B1i. A mole of an ideal gas of vibrating diatomic molecules at initial temperature ??is…

A: The first part of the question is asking for the heat transfer in an isobaric process for a diatomic…

Q: Find what heat in calories (cal) is required to increase the temperature of 60 g water from 0°C to…

A: Q=mC∆Twhere Q is heat required           m= mass =60g           C = specific heat capacity=…

Q: <U4-Ch4 Tutorial Thermal Stress Learning Goal: To solve for thermal stresses in statically…

A: Diameter of the rod, The modulus of elasticity, The linear coefficient expansion, Change in…

Q: A thermos bottle with a piston instead of a lid contains a fixed amount of gas. Because it is a…

A: A thermos bottle with a piston

Q: 4. Fig. 4.1 shows the heating curve of a substance. temperature 0₂ 0₂ BC A B (a) Which part of the…

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Q: A 300-g piece of ice at 0 °C is placed in a liter of water at room temperature (20 °C) in an…

A: Given that:-Mass of ice=300 gm=0.300 kgInitially temperature, T1=0°CFinal temperature,…

Q: 6. Calculate the latent heat of fusion for 2.40 kg of gold as it changes from a molten liquid into a…

A: Given data, Mass of gold M=2.4 kg

Q: How much heat is conducted in 4 minutes through a steel plate 4 cm thick having an area of 2.32 m²…

A: Write the expression for the heat. Q=At(ΔT)s/kQ=kAt(ΔT)s

Q: A) System: N oscillators and q = 1. Calculate the number of microstates. B) System: N = 3; q = 4.…

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Q: In the figure R1 = 4.77 Q, R2 = 14.3 0, and the ideal battery has emf ɛ = 12.6 V. (a) What is the…

A: This question is based on the Current Electricity topic. First, find the effective resistance across…

Q: Q3: An atmospheric air flows through a 2.5 Cm diameter pipe with a velocity of 0.5ms. If the…

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Q: A tungsten light bulb filament may operate al 2900 K. What is its Fahrenheit temperature? What is…

A: The operating temperature of the filament inside the light bulb, TK=2900K

Q: 40 60 A 80 100 120 140 time (min)

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Q: 10. A constant pressure of 10° Pa moves a thin disk through a distance of 10 m, per- forming work…

A: The work done by the gas is given by W = PAh Where P = Constant pressure, A = Area of the disk, h =…

Q: 2. For a boiling process such as shown in Figure below, the ambient temperature Tin Newton's law of…

A: Given data

Q: What are the physical principles behind the action of the heat sinks? That is, how do they reduce…

A: The heat sinks are basically a heat exchanges used to transfer heat from the device. The heat is…

Q: How high would I have to jump to warm up the surface of the Earth upon landing?

A: It is necessary to determine the height from which a person must leap in order to warm the Earth's…

Q: So I think that I'm doing this right I'm not exactly sure what the question is asking me on this.…

A: 1 ) Specific Heat : units  :    kJ/kg.K , kCal/kg.K , KJ/0C , kCal/0C 2) Newton :  Physical quantity…

Q: "A 4.1-cm diameter hailstone has a terminal velocity of 14.91 m/s. Assuming its mass is 7.9 kg and…

A: Given, mass of hail-stone ,m = 7.9 kg Heat capacity ,C = 2.06 J/g-K Terminal velocity  = 14.91 m/s…

Q: Substance A has a higher specific heat than substance B. With all other factors equal, which…

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Q: A platter ol pircseed is mounted on fop of o gas-fited piston, As the birdseed on top of the platter…

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Q: Sweating is one of the main mechanisms with which the body dissipates heat. Sweat evaporates with a…

A: Sweat evaporates with a latent heat= 2,430 kJ/kg at body temperatureSweat produced = 1.6…

Q: Your Uncle Eron DeConcept has found a very tiny hole in the radiator on his car. He says he's not…

A: Required : What will happen to the hole in the radiator at higher temperatures.

Q: Which of the following is not true of thermal equilibrium? O If two objects are both in thermal…

A: Concept:  Thermal equilibrium occurs when the engine temperature is adequate to the atmospheric…

Q: Based from the given, answer the following questions: 1. Which of the following gained and lost…

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Q: 1014 J of heat transfer into the engine and has an efficiency of 42 %. a.) How much heat transfer…

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Q: D. Explain two types of degradation that could happen in the heat exchanger and discuss how to…

A: Given:-             (D) Type 1:                              Oxidation occurs when hot fluid comes…

Q: Learning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas.…

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Q: 2. As an example of microscopic thermodynamic analysis based on thermal-energy microstates, the…

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