TRUE OR FALSE a) If the work done on a gas is positive, then the gas expanded. b)For a cyclical process the change in internal energy is always zero
Q: A gas undergoes an adiabatic compression. Which of the follow statements must be true? i) The…
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Q: A gas in a cylinder undergoes change from an initial state i to a final state f shown in the figure…
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Q: An ideal gas is initially at a temperature of 300 K with a pressure of 2.5 kPa and a volume of 1 m³.…
A: Final temperature of the gas is T2 = 900 K Change in internal energy of the gas is U = 7.5 kJ
Q: One mole of a van der Waals gas has an equation of state N² (P + √2ª)(V — Nb) = NkT - where a and b…
A: The work done by the gas during an isothermal and quasi-static expansion can be calculated using the…
Q: Determine the change in internal energy of a monatomic ideal gas that expands from an initial volume…
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Q: Sketch a PV diagram and find the work done by the gas during the following stages. (a) A gas is…
A: The work is the scalar multiplication of force and change in certain environmental conditions. For…
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A: The amount of work done is given as W=P∆V Where ∆V is the change in volume
Q: A heat engine using a diatomic gas follows the cycle shown in the pV diagram. p (kPa) Q12 P₂ P₁ For…
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Q: Determine the change in internal energy of a monatomic ideal gas that expands from an initial volume…
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Q: An ideal gas is taken through a cycle as shown in the figure. What is the net work done on the gas…
A: Solution:-Given that 1 atm=101325 Pa1 L=10-3 m3
Q: According to the First Law of Thermodynamics, is it possible for the temperature of a gas to rise…
A: According to first law of thermodynamics the change in thermal energy of a system is equal to the…
Q: If the system shown below is used to run a refrigerator, which of the following is true for the x to…
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Q: 4 moles of an ideal gas undergoes isothermal expansion along 1) reversible expansion from Pi =25.0…
A: Given data: Number of moles, n=4 Initial pressure, Pi=25 bar Initial volume, Vi=4.50 L Final…
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Q: Two identical gases undergo an expansion, one isothermal and the other adiabatic. Both start at the…
A: The work done is greater in case of adiabatic process.
Q: process. Which of the following statements are true? a) No heat is added to or removed from the gas…
A: The process in which, the temperature is a constant is called a isothermal process.
Q: A closed thermodynamic cycle described by an ellipse is shown on the PV diagram on the right. The…
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Q: The drawing shows the expansion of three ideal gases. Rank the gases according to the work they do,…
A: The pressure is plotted along the y axis and the volume is plotted along the x axis.
Q: A gas is taken through the cyclical process shown in the figure below. If each unit on the…
A: Given data: The volume of gas is, V=1.50 m3. The Pressure of gas is, P=4.50×105 Pa.
Q: Check my work mode: This shows what is correct or incorrect for the work you have completed so far.…
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Q: 31) In a given reversible process, the temperature of an ideal gas is kept constant as the gas is…
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Q: According to the first law of thermodynamics, applied to a gas, the increase in the internal energy…
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Q: Which of the following is the correct range for the thermal efficiency of the engine that follows…
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- A gas is at initial conditions of pressure 1 atm and temperature of 300k. We compress the gas adiabatically to a final pressure of 10 atm. Calculate the temperature in the final state assuming in the cases in the gas a) air; b) heliumWhen the volume of an ideal gas stays the same, which of the followings must be true? Select all apply.Determine the change in internal energy of a monatomic ideal gas that expands from an initial volume of 1.43 m3 to a final volume of 2.57 m3. During this process the pressure of the gas remains at a constant value of 3.22 105 Pa.
- Which one of the following statements about an ideal gas is true? During an isochoric process, the change in internal energy of the gas is exactly equal to the amount of heat flow into or out of the gas During an isothermal process, the entropy of the gas does not change. During an isothermal process, no heat enters or leaves the gas. During an adiabatic process, the temperature of the gas does not change. During an isobaric process, no work is done on or by the gas. ooooSketch a PV diagram and find the work done by the gas during the following stages. (a) A gas is expanded from a volume of 1.0 L to 5.5 L at a constant pressure of 5.5 atm. (J) (b) The gas is then cooled at constant volume until the pressure falls to 1.5 atm. (J) (c) The gas is then compressed at a constant pressure of 1.5 atm from a volume of 5.5 L to 1.0 L. (Note: Be careful of signs.) (J) (d) The gas is heated until its pressure increases from 1.5 atm to 5.5 atm at a constant volume. (J) (e) Find the net work done during the complete cycle. (J)question in photo please
- Calculate the temperature of the gas (in K) at Point A. K (b) Calculate the temperature of the gas (in K) at Point B. K (c) Calculate the temperature of the gas (in K) at Point C. K (d) Calculate the work done during process AB. J (e) Calculate the change in internal energy for the process AB. J (f) Calculate the heat gained or lost during process AB. J (g) Calculate the work done during process BC. J (h) Calculate the heat gained or lost during process BC. J (h) Calculate the work done during process CA. J (i) Calculate the heat gained or lost during process CA. J (j) Calculate the efficiency (as a percent) for this cycle. %a) Consider a process involving an ideal diatomic gas with n = 3mol, following p = aV, where a = 1 x 105 Pa/m³ is a constant. The gas ex- pands from volume V; = 1 m³ to V; = 4m3. P2 Find the (i) work done on the gas. (ii) heat entering the gas. 1 (iii) change in the internal energy of the gas. b) Now consider the cycle depicted in the figure, involving the same amount of gas as in the previous part. A → B is the process described in the previous subtask, B → C an isochor and C → A an isobar. Additionally, V2/V1 = n = 4 and Vi = 1 m³. Find the Pi 3 i) work done by the gas during one loop of the cycle. V1 V2 V ii) thermal efficiency of the cycle. iii) maximum theoretical efficiency of a Car- not cycle having the same temperature extrema as in this cycle. iv) coefficient of performance of the cycle, if it were used as a refrigerator .