2. A transcontinental airliner cruises at an altitude of 12 km (T = -55 C and P 200 hPa). a) Compute the potential temperature of the air at this altitude b) If the cabin pressure is 800 hPa, what is the temperature of air brought in adiabatically from the environment?

Q: 1. During an experiment, a student added 35 J of heat to a system. At the same time, the environment…

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Q: 2 An ideal gas at 17°C has a pressure of 760 mm mercury, and is compressed (i) isothermally, (ii)…

A: Given: Temperature of ideal gas (T) = 17 oC. Pressure on gas (P1) = 760 mm of Hg. Density of mercury…

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Q: A quantity of oxygen gas is slowly compressed adiabatically in an insulated container to two-thirds…

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Q: 2.A 1.60-mol sample of hydrogen gas is heated at constant pressure from 296 K to 410 K. (a)…

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Q: 2. An ideal monatomic gas is at p. 3x10^5 n/m², Vo=0.060 m³ and T=27°C expands adiabatically up to…

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Q: 19  Imagine that we add 295 J of thermal energy to 20 liter (L) (20000 cm3) of air initially at room…

A: (19) Given: The heat added is Q=295 J, The volume of air in the room V1=V2=V=20000 cm3. For air as…

Q: An engineering professor adds 1.46x104 J of heat at constant volume to 2.80 moles of N2 gas that is…

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Q: 1. In a piston cylinder system, the gas an initial pressure of 100 kPa and expands from 1.5 m³ to…

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Q: As an adiabatic expansion of air occurs through a nozzle from 828 kPa and 71°C to 183 kPa. The…

A: Given,pressure, P1 = 828 kPapressure, P2 = 183 kPaTemperature, T1 = 71°CThe process is adiabatic…

Q: 1.In a closed system, a 1 kg fluid has initial temperature of 400C and pressure of 2MPA and…

A: Given: Initial temperature of 1 kg fluid =Ti=400°C=673 K Initial pressure Pi=2 MPa=2×106 Pa Final…

Q: 2- Calculate the PV work done when a system containing a gas expands from 1.0 L to 2.0 L against a…

A: Here, We have to find the P-V work done. As we know that,   W = P×dV     W = P ×V2-V1 where, P =…

Q: 4. A 5.00-g silver coin at 35.0°C drops 100.0 m to the ground. Assuming 70.0% of the change…

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Q: Q. 5. In changing the state of a gas adiabatically from an equilibrium state A to another…

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Q: Q4: Steam at 100 kPa and 10°C steadily enters a nozzle whose inlet area is 0.4 m2 with a the…

A: The steady flow energy equation at the nozzle is given by P1V1+u1+V122=P2V2+u2+V222 where V is the…

Q: QUESTION 19 Consider N solar collectors (N= 12, 14, 16), of dimension [2m x 2m, 2m x 1.5 m, 2m…

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Q: For an ideal gas, the difference between the specific heat at constant pressure and the specific…

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Q: 8. The table below shows data from a heating experiment involving four substances of each of mass…

A: The answer is given below

Q: For a certain polyatomic ideal gas the value of its ideal gas constant is 0.123 kJ/(kg.K). Determine…

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Q: I. Specify whether the substance is subcooled liquid, compressed liquid, saturated liquid, saturated…

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Q: ideal gas is expanded adiabatically into a vacuum. Decide which of q, w, ∆U, and ∆H are positive,…

A: In adiabatic process no heat is exchange between system and surrounding

Q: When the temperature of an ideal gas is doubled, the average kinetic energy... a. remains the same…

A: Average kinetic energy: The average kinetic energy of gas particles is directly proportional to the…

Q: An ideal diatomic gas at 65 K is slowly expanded adiabatically and reversibly to twice its original…

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Q: A rigid insulated tank is separated into two rooms by a stiff plate. Room A of 0.5 m3 contains air…

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Q: 3. Suppose that 150 J of work is done on a system and 35.0 cal is extracted from the system as heat.…

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Q: 13. The constant volume heat capacity (C) of n mol of a calorically perfect gas is given by (3/2)n,…

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Q: Example: A building has a south-facing thermal storage wall with night insulation of Rins equal to…

A: From the given data, the coefficient Uk can be calculated as follows, Uk=1wk+1hi=10.422+18.3=3.026…

Q: A heated rock is placed in a container of water that is cooler than room temperature. The objects…

A: After sometime the rock, water and room would became in thermal equilibrium. By virtue of which the…

Q: Consider a column of gas, consisting of atoms of mass M, at temperature r in a uniform gravita-…

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Q: Q4/ A rigid vessel of volume 0.2m contains 10 kg of (liquid + vapor) water at 200°C. What are the…

A: Note: as per the policy, only the first question will be solved. If you want a solution to others…

Q: Assume that 50 % of the potential energy of a rain- drop turns into internal energy of the drop, as…

A: Relation between potential energy and internal energy of drop according to the question, 12PE=U…

Q: 1. During the isobaric expansion from A to B represented below, -150 J of heat is removed from the…

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Q: 11. Ahelium-filled toy balloon has a gauge pressure of o.200 atm and a volume of 10.0 L. How much…

A: Given : Pg = 0.200 atm = 0.200 × 1.013 × 105 = 2.026 × 104 Pa V = 10 L = 0.01 m3

Q: 9. Suppose a tank contains 640 m² of neon (Ne) at an absolute pressure of 1.10 x10° Pa. The…

A: Given: The volume of the Neon gas in the tank is 640 m3. The absolute pressure in the tank is…

Q: The pressure and volume of an ideal gas change from A to B to C as shown in the following figure.…

A: Given: The curved line between AC is isotherm. To determine: (a)The total heat for the process ABC.…

Q: 8. A container has a volume of 2m3 of diatomic gas at a pressure of 1Pa. How much more thermal…

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Q: 13. How much work is necessary to compress an ideal diatomic gas adiabatically from a pressure of 1…

A: The objective of this question is to calculate the work done in compressing an ideal diatomic gas…

Q: 2. Specify the base pressure and base temperature conditions in natural gas in USC system and SI…

A: USC system Base pressure = 14.696 psia Base temperature  = 518.67°R

Q: 1. Two monoatomic ideal gases A and B are at the same temperature. If 1 g of gas A has the same…

A: As, both the gases are monoatomic, and their temperatures are also same, the ratio of number of…

Q: A vegetable soup, with specific heat capacity 4000 J/(kg. K), is being heated from 16 to 95 °C…

A: We know the formula of rate of heat transfer in the heat exchanger are  Q = UA∆TlmWhere U =…

Q: 4. What is the change in internal energy of a system which does 4.50x10° J of work while 3.00x106 J…

A: Given, system does work of 4.50×105 J , heat transfer into the system is 3.00×106 J and 8.00×106 J…

Q: A.The thermal efficiency of a heat engine is 30%, the heat rejected from the engine is 30kJ,…

A: The heat engine’s efficiency is given as 30% or 0.30. The engine’s rejected heat is given as 30 KJ.…

Q: 7. A central air conditioner removes heat at the rate of 44,500BTU/hr from inside of a house at…

A: Consider given data as below. Rate of heat remove, Qremove=44500 BTUhr Temperature inside house,…