Air with an initially at P1= 940 KPa, T1= 900K and V1= 0.15 m3, expands in reversible adiabatic manner. If the work produced is 150 KJ.What is the final temperature of the air? * 517 K 519 K 520 K O 522 K
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Air with an initially at P1= 940 KPa, T1= 900K and V1= 0.15 m3, expands in
reversible adiabatic manner. If the work produced is 150 KJ.What is the final
temperature of the air?
![Air with an initially at P1= 940 KPa, T1= 900K and V1= 0.15 m3, expands in
reversible adiabatic manner. If the work produced is 150 KJ.What is the final
temperature of the air? *
517 K
519 K
520 K
O 522 K](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e5b38b4-cb12-481b-93e1-162c9e9bc696%2Ff3e6d4e7-b7e6-42f3-97a3-fda085a1aa5e%2Fw8rqf4n_processed.png&w=3840&q=75)
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- Questions 18 through 20 pertain to the situation described below: A 2.30-mol ideal diatomic gas, initially at temperature 123.0°C, expands adiabatically to triple its volume. The same final state can be reached by an isothermal expansion followed by an isobaric cooling. (18) What is the work done by the gas during the adiabatic expansion? (A) 6.73 kJ; (B) 6.43 kJ; (C) 6.13KJ; (D) 5.83 kJ; (E) 5.53 kJ. (19) What is the work done by the gas during the isothermal expansion? (A) 12.7 kJ; (B) 11.7 kJ; (C) 10.7kJ; (D) 9.7kJ; (E) 8.7 kJ. (20) What is the heat removed from the gas during the isobaric cooling? (A) 9.73 kJ; (B) 9.43 kJ; (C) 9.13 kJ; (D) 8.83 kJ; (E) 8.53 kJ.6.A monatomic ideal gas with volume 0.195 L is rapidly compressed, so the process can be considered adiabatic. If the gas is initially at 1.01 105 Pa and 3.00 102 K and the final temperature is 455 K, find the work done by the gas on the environment, Wenv.
- It has been suggested that air at 100 kPa and 25C can be cooled by first compressing it adiabatically in a closed system to 1000 kPa and then expanding it adiabatically back to 100 kPa. Is this possible?A Carnot engine operates between 105°C and 22°C. How much ice can the engine melt from its exhaust after it has done 4.0 ✕ 104 J of work? (The latent heat of fusion for water is 3.33 ✕ 105 J/kg.) (kg)It is important for the body to be able to cool itself even during moderate exercise. Suppose a 70kg man runs on a treadmill for 30min and at a (total) metabolic energy expenditure rate of 1000W. Remembering that the human body has a 25% efficiency, estimate the amount of (mechanical) work done on the treadmill during that time. A) 450kJB)1350kJC)1000kJD)1800kJ
- The figure below shows a PV diagram for an ideal gas. (a) Find the work done by and ideal gas as it expands from point A to point B along the path shown in the figure below. (b) How much work is done by the gas if it is compressed from B to A along the same path? P (kPa) 400 B IN 300 200 A 100 12 3 4 5 6 -V (m³)A sample of ideal gas is expanded to twice its original volume of 0.7 m³ in a quasi-static process for which P=aV² with a = 5 atm/m6, V₁ = 0.7 m³ and Vi Va 1.4 m³, as shown in the figure. 3 P P = (5 atm/m³) V² V = 0.7 m³ 3 1.4 m³ 3 How much work was done by the expanding gas? Answer in units of J.The engine of an automobile has an intake air of 20°C and compresses it adiabatically up to 10% of its initial volume. Considering the air as an ideal gas, find its final temperature at the end of the compression.
- A car tire contains 0.0390 m3 of air at a pressure of 2.20×105 N/m2 (about 32 psi). How much more internal energy does this gas have than the same volume has at zero gauge pressure (which is equivalent to normal atmospheric pressure)?Does a gas do any work when it expands adiabatically? If so, what is the source of the energy needed to do this work?2.00 kg of water has a volume of 2.00 x 10-3m3 when in the liquid state at 100 °C. When the water is completely changed from liquid to vapour at 100 °C, under a constant atmospheric pressure of1.01 x 105 Pa, the volume increases to 3.38 m3. (i) How much work is done against the atmosphere as the water changes into vapour?(ii) What is the change in the internal energy of the water during vaporization?