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Q: If air is at pressure, P, of 3200 lb/ft?, and at a temperature, T, of 800°R, what is the specific…
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Q: What could be the applications of materials with high thermal capacity
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Q: What is the internal energy of a thermodynamic system?
A: Internal energy is the energy possessed by the molecules of matter. This energy is mainly due to the…
Q: Cite three ways in which a Thermos bottle inhibits heat transfer.
A: Construction of thermos is as shown in the figure. Coffee is stored in an internal container as…
Q: Calculate the heat needed to take 0.500 kg of ice at -10 celsius to liquid water at 50 celsius
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Q: how much energy is required to heat up 45g of water at 55\deg c to steam at 140\deg c
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Q: 1. When objects are in thermal equilibrium, they have the same: O Energy O Gravity O Temperature…
A: Two objects are said to be in thermal equilibrium when they have same temperature. .
Q: 1 mole of Nitrogen(N2)gas closed in a chamber undergoes the following cycle. The process 2- 3 is…
A: (a) The temperature at point 1 is calculated by using the ideal gas equation. Substitute all the…
Q: P: Isotherm P1 The diagram shows a thermodynamic process followed by 0.03 mol of helium. Determine…
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Q: What happend whe First law of Thermodynamics is applied to closed system ?
A: The first law of thermodynamics can be applied to closed system during an interaction between a…
Q: A person running in place on an exercise machine for 10 min uses up 17 kcal (food calories). Another…
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Q: An electric immersion heater rated at 100 W is used to heat up 10 kg of water initially at 20…
A: Given data: Power (P) = 100 W Mass (m) = 10 kg Initial temperature (T0) = 20 °C Final temperature…
Q: What is the nature of a thermodynamic force?
A: Thermodynamic force: The terms "flows" or "fluxes" Ji are used to describe heat flow, mass flow, and…
Q: what do you place in the substance you want to check temperature of with thermocouple thermometer?
A: Different types of thermometers are used to measure the temperature in different situations.
Q: If you hear that an object has “high heat content,” does thatmean that its temperature is high?…
A: To determine: What does it mean, if the object has high heat content, explain whether the…
Q: 1. Pressure higher than the saturation temperature corresponding to the existing pressure. 2. Vapor…
A: since more than three sub-parts are present in the question, solutions for the first three is…
Q: 3. A 7.0-kg block of aluminum is heated from 30°C to 90°C at atmospheric pressure. Find (a) the work…
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Q: Is the specific heat a different constant for each material? Please explain
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Q: Why specific heat at constant pressure is more than specific heat at constant volume
A: Why specific heat at constant pressure is more than specific heat at constant volume?
Q: Does a substance that cools off quickly have a high or low specific heat capacity?
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Q: 1. An ideal monoatomic gas expands isothermally from 0.550 m³ to 1.45 m³ at a constant temperature…
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Q: Calculate the energy necessary to heat 1 kg of water ice at 255 K to steam at 380 K and at…
A: mas = 1 kginitial temperature of ice = 255 Kfinal temperature of steam = 380 K
Q: pressure from 273 K to 373 K. If 20.0 J of work is done by the gas during this process, what is the…
A: The solution of the question 4 ,is
Q: Explain why thermal pollution always exists as far as thermal engines are in use.
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Q: A power transmission line carries 520 A of current at a voltage of 924 kV. If the line has a…
A: Given -Current, I= 520 AResistance, R=48 μΩ/m=48×10-6 Ω/mDistance, d= 509 km=509×103 mWe can…
Q: 2) Gas within a closed chamber undergoes the cycle shown. P&P») 60- (a) Compute the change in…
A: according to the first law of thermodynamics∆U = ∆Q - ∆Wwhere, ∆U=change in internal energy of the…
Q: A good refrigerator should have a high COP" typically 6. Then a good heat pumps should have a high…
A: Option (B): 5
Q: Explain why steam and liquid water hace difference specific heat?
A: The specific heat of a substance is the amount of heat required to raise the temperature of a given…
Q: Distinguish between the first and second laws of thermodynamics in terms of whether or not…
A: According to 1st law of thermodynamics, energy can neither be created nor be destroyed. This is a…
Q: Calculate the latent heat in W per occupant in a space devoted for teaching activity assuming CLF =…
A: Latent heat=60w
Q: What is meant by dynamical theory of heat?
A: According to dynamic theory of heat everybody is made of small particles called molecules.This…
Q: 2. Vapor having a temperature higher than the saturation temperature corresponding to the existing…
A: In this question we have to answer the given questions accordingly.
Q: What does tea in thermos flask (Dewar flask) remain hot for long time?
A: A thermal or Dewar flask is a storage vessel that provides insulation to its contents from the…
Q: Adiabatic expansion produces a cooling , why?
A: An adiabetic process is carried out in such a way that the total heat of the system always remains…
Q: Specific heat of ideal gas depend on its?
A: specific heat : it is amount of heat required for a unit mass of body to raise the temperature by 1…
Q: 6. Heat that causes change in temperature without a change in phase. 8. What subscript used/ symbol…
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Q: What is the rate of heat flow through a atuminum bar of oroa 5 on and longth 15 m if there is a…
A: Area of aluminum bar: 8 cm2 Length of bar: 1.5 m Thermal conductivity of aluminum: 205 W/m°C…
Q: 2. A gas is enclosed in a container fitted with a piston of cross-sectional area 0.175 m2. The…
A: 2) Given, Pressure, P = 6000 Pacross sectional area of the piston, A = 0.175 m2pistion moves inward,…
Q: The Maxwell speed distribution function is given by; 3/2 m f(v) = mv² 2kBT 2πkBT i) Show that the…
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Q: Explain how a refrigerator coiuld be employed as a heat pump to heat a house in winter.
A: In the refrigerator, the heat is taken out of the cold reservoir and pumped to the hot reservoir.…
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