An ideal gas expands while the pressure is kept constant.During this process, does heat flow into the gas or out of the gas?Justify your answer.

Q: Compute the internal energy change and temperature change for the two processes involving 1 mole of…

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Q: Can improved engineering and materials be employed in heat engines to reduce heat transfer into the…

A: Heat engine works in a cycle. Second law of thermodynamics implies that no system can entirely…

Q: In an adiabatic expansion along an adiabat, what happens to the temperature of the gas? O increases…

A: During adiabatic expansion of a gas, no heat is transferred to the gas, yet work is done by the gas.…

Q: Explain why the temperature of gas drops in an adiabatic expansion.

A: We already know that during the process of an adiabatic expansion of a gas the gas does perform some…

Q: Can the outlet temperature of the cold fluid in a heat exchanger be higher than the outlet…

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Q: An expandable cube, initially 20 cm on each side, contains 3.0 g of helium at 20°C. 1000 J of heat…

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Q: a 0.25 mol of a monotomic ideal gas at 27 degrees celcius is contained in a cylinder that is fittted…

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Q: A thermally insulated cylinder is filled with an ideal monatomic gas and covered with an insulating…

A: The cylinder and friction less piston is thermally insulated. From gas law PV=nRT Rearrange V=nRTP…

Q: Suppose you do 100 J of work in compressing a gas. If 80 J of heat escapes in the process, what is…

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Q: Please help me there are multiple parts, double check your answer as previous tutors got it wrong.

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Q: Work of 3000 J is done on an ideal gas, but the internal energy raises only 1600 J. What is the…

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Q: A piston–cylinder device initially contains 0.4 m3 of air at 100 kPa and 80°C. The air is now…

A: Given:  pressure, P = 100 kPa = 100 x 1000 = 100000 Pa  T = 80 degree C  V = 0.4 m3  V' = 0.1 m3

Q: An air-filled cylinder with a movable piston has a heat reservoir in con- tact with it. The heat…

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Q: Under constant-volume conditions, 4100 J of heat is added to 2.0 moles of an ideal gas. As a result,…

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Q: Should the cooling fluid for an engine have a large or a small heat capacity? Explain.

A: Given: Should the cooling fluid for an engine have a large or a small heat capacity? Explain.

Q: A gas in a cylinder expands from a volume of 0.110 m³ to 0.320 m³. Heat flows into the gas Part B…

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Q: An ideal gas undergoes an isothermal expansion to 110% of its original volume ata temperature of…

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Q: An ideal gas is enclosed in a piston, and exactly 2100 J of work is done on the gas. As this…

A: Work on the gas is w1 = 2100 J  => Work done on the system is W = - w1  => W = - 2100 J…

Q: What condition is necessary for a process to be adiabatic?

A: An adiabatic process is an expansion or compression, where no heat enters or leaves a system.

Q: An ideal gas undergoes an isothermal process. Which of thefollowing statements are true? (i) No heat…

A: The expression for internal energy of a monoatomic ideal gas is ΔU=32nRΔT In isothermal process…

Q: Suppose the volume of an ideal gas is doubled while the pressure is reduced by half. Does the…

A: Initially, equation of state is,

Q: What happens to the internal energy of a gas during an adiabatic expansion?

A: In an adiabatic process, there is no heat transferred.

Q: Consider a bubble of a 4 mole of oxygen is submerged at a certain depth in water. If the temperature…

A: Consider the temperature of bubble at the constant pressure P be T1 when the volume is V1, the…

Q: During isochoric transformation a mole or ideal gas transfers to its surrounding an amount of heat…

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Q: In an adiabatic expansion of an ideal gas, a work of 125 J is done  . What is the internal energy of…

A: adiabatic expansion-                                 In the adiabatic process, there is no heat…

Q: 70° F Pexk

A: The Joule–Thomson effect  describes the temperature change of a gases when it is forced through a…

Q: Can heat flow either into or out of a substance without the substance changing temperature? If not,…

A: In general when a heat is imparted or taken away from a body, it is coupled with a change in…

Q: Compute the internal energy change and temperature change for the two processes involving 1 mole of…

A: a) Given: n= 1 mole Q=1500 J    b) Given: n= 1 mole W=-1500 J

Q: A quantity of a monatomic ideal gas undergoes a process in which both its pressure and volume are…

A: Given,

Q: An ideal gas performs 45 j of work and loses 45 j of internal energy which type of process is…

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Q: An ideal gas with energy E = NKBT is subjected to a cyclic, quasi-static (i.e. reversible) process…

A: The heat absorbed by the gas during one complete cycle is 2 J

Q: Is it possible to increase the temperature of a gas without adding heat to it? If so how?

A: Yes, it is possible to increase the temperature of a gas without adding heat to it. For an adiabatic…

Q: The picture shows a pV diagram for an ideal gas in which its pressure tripled from a to b when 804 J…

A: Given : ∆U = 804 J pb = 3 pa

Q: What happens when an ideal gas is compressed adiabatically (Q = 0)?

A: Adiabatic compression

Q: The piston is compressed with gas in two ways - once isothermal, the second adiabatic. In which case…

A: The final pressure is higher in adiabatic process.

Q: You need to raise the temperature of a gas by 10°C. To use the smallest amount of heat energy,…

A: The specific heat capacity at constant pressure is greater than the specific heat capacity at…

Q: Calculate the specific heat of an ideal gas for either an isobaric or isochoric process?

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Q: During a throttling process, the temperature of a fluid drops from 30 to 220°C. Can this process…

A: Given: During a throttling process, the temperature of fluid drops from 30 to 220°C. Can this…

Q: 3000 J of heat is added of a system contains an ideal gas. Calculate the change in the internal…

A: Given: The heat supplied to the system is 3000 J. The work done is 4500 J.

Q: In an adiabatic expansion of an ideal gas, a work of 125J is done. What is the internal energy of…

A: Given: Process is adiabatic expansion: In adiabatic expansion no heat transfer to the system ∆Q = 0…

Q: Which one of the following statements is true about a sealed ideal gas system? You can increase the…

A: Given : To choose the correct option for the case of a sealed ideal gas system.

Q: An ideal gas doubles its volume in one of three different ways:(i) at constant pressure; (ii) at…

A: The expression for the work done by the gas is W=P∆V The area under the Pressure vs volume graph…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.