Constant amount of ideal gas is kept inside a cylinder by a piston. The piston is locked in to position, it is not allowed to move. The gas is then heated up. Compare the initial (i) and the final (f) physical quantities of the gas to each other. A The temperature Tf is ... Tj. ◆ The entropy Sf is ... S₁. The pressure pf is Pi. ◆ The internal energy Uf is U₁. The volume Vf is ... V₁. equal to less than greater than III Send Feedback
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- Constant amount of ideal gas is kept inside a cylinder by a piston. Then the gas expands adiabatically. Compare the initial (i) and the final (f) physical quantities of the gas to each other. The entropy Sf is... S₁. ◆ The internal energy Uf is ... U₁. ◆ The volume V₁ is ... V₁. Vf The temperature Tf is ... T₁. The pressure pf is Pi. equal to less than greater than Send FeedbackConstant amount of ideal gas is kept inside a cylinder by a piston. Then the gas expands isobarically. Compare the initial (i) and the final (f) physical quantities of the gas to each other. ◆ The pressure pf is Pi. The temperature Tf is ... Tj. The entropy Sf is ... S₁. The volume Vf is . V₁. ... The internal energy Uf is ... U¡. equal to less than greater than Send FeedbackConstant amount of ideal gas is kept inside a cylinder by a piston. Then the gas expands isothermally. Compare the initial (i) and the final (f) physical quantities of the gas to each other. ◆ The temperature Tf is ... T₁. The internal energy Uf is ... U₁. The volume Vf is . V₁. ◆ The entropy Sf is ... S₁. The pressure pf is ... P₁. equal to less than greater than Send Feedback
- The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is 0.0196 liter and the volume of water is 0.018 liter. If I mole of ice is melted under these conditions, what will be a. The work done in cal? b. The change in internal energy in cal? c. The change in entropy in cal? Note that 1 literxatmosphere is equal to 101.325 joule.Ue A:0r * Il. pluls ► exam 1.pdf Q1// Define the following First law of thermodynamics, adiabatic process, Boyle's law, Reversibility, and Pressure. Q2// Ten kg of oxygen are heated from 350 to 500 K at constant pressure. Calculate the change of enthalpy, change internal energy, heat transfer and work done. Take Cp-0.909, Cv=0.649 Q3// In a nozzle air at 700°C and twice atmospheric pressure enters with 50 m/s velocity, and leaves at a temperature of 40°C. Determine velocity of air at exit. Take Cp = 1.005 kJ/kg.K for air.The increase in internal energy is. . for one mole of water under a pressure of 1013 N/ m2 and a temperature of 273K when it turns into steam under the same temperature and pressure, knowing that the amount of heat needed to evaporate water is 40680 J and the mole volume of an ideal gas is 0.0224 cm3 and *.for water it is 0.000018 cm3
- Volech 28. A monatomic ideal gas initially at pressure Po = 10° Pa, volume Vo = 0.01 m³, and temperature To = 300 K is taken through the cycle shown in the figure. p %3D ЗР. a. Determine the change in internal energy from point A to point B. b. Determine the work done by the gas from point B to point C. Po c. Determine the heat released by the gas from point C to point D. d. Determine the net work done by the gas and the net heat absorbed by the gas. Vo 3V bhe s on theThe heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is 0.0196 liter and the volume of water is 0.018 liter. If 1 mole of ice is melted under these conditions, what will be a. The work done in cal? b. The change in internal energy in cal? c. The change in entropy in cal? Note Note that 1 literxatmosphere is equal to 101.325 joule. Sol": given Heat of melting ice at 1 atm pressure = 1.4363 kca kcal/ 2 = 1.4363 kcal/mole mole volume of ice = 0·0196 lts " water = 0.018 lts @ work done is define as w=pdv » w = P(V₁ hot W = 1 (0·018-00196) W = 0·0016 Cal Pay Kat AnsA certain heat engine operates on the PV diagram below. It contains 3.21mol of a monatomic ideal gas. p (Pa × 105) 2.0 a b 0.010 C ➤ V(m³) O 0.040 a. What temperature is the gas at state c? b. What temperature is the gas at state a? c. How much heat is added/removed from the gas over the path c-to-a? d. What is the pressure of state a? e. What is the temperature of state b? f. Find the work and heat for path a-to-b. g. Find the work and heat of path b-to-c. h. Find the efficiency of the engine. i. Would the engine be more, or less efficient if the gas were diatomic?
- Five moles of a monatomic ideal gas in a cylinder at 27 is expanded isothermally from a volume of 5 L to 10 L. (a) What is the change in internal energy? (b) How much work was done on the gas in the process? (c) How much heat was transferred to the gas?(a) Calculate the work done by the gas along the closed path shown below. The curved section between R and S is semicircular. (b) If the process is carried out in the opposite direction, what is the work done by the gas?An ideal gas quasi-statically and isothermally from a state with pressure p and volume V to a state with volume 4V. How much heat is added to the expanding gas?