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- A gas is taken through the cyclical process shown in the figure below. If each unit on the horizontal axis equals 2.75 m³ and each unit on the vertical axis equals 1.25 × 105 Pa determine the net work done by the gas. J J V93 J of work are done on the gas in the process shown in the figure. (Figure 1) Figure p (kPa) 200- 0 0 Vf 2Vf 3Vf 1 of 1 V Part A What is Vf in cm³ ? Express your answer in cubic centimeters. V₁ = = Submit VG ΑΣΦ Provide Feedback X Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining ? cm³the boundary work done during this process. Answer: 23.0 kJ expanded isothermally to a pressure of 100 kPa. Determine 18 A piston-cylinder device initially contains 0.4 kg oi mitrogen gas at 160 kPa and 140°C. The nitrogen is now Answer: 23.0 kJ N2 160 kPa 140°C FIGURE P4-18
- 19A gas expands from 2.2 L to 3.6 L against a constant external pressure of 1.6 atm. What is the work done? A. -227 J B. 227 J C. 2.24 J D. -2.24 JThe image shows a cylinder with a movable wall (partition) and a piston. Movable partition Piston -Work Vacuum Gas What properties of matter allow the gas to expand and contract as the wall is removed and the piston moved as depicted in the image? O A The particles of a gas are close together, they completely fill the volume of the container, they are strongly attracted to each other. ©2021 Illuminate Education TM, Inc. hp -> esc #3 %24 96
- QUESTION 21 A1098kg car is traveling down the road at 8.19 m/s While traveling at this rate of speed, what is the kinetic energy of this vehicle in kilojoules (write your answer to 3 significant figures)? has a partial pressure of 1.31 atm and He has a partial pressure45 J of work are done on the gas in the process shown in (Figure 1). Figure p (kPa) 300- K 200- 100- 2V₁ 3V₁ 0 0 V < 1 of 1 What is V₁ in cm³? Express your answer in cubic centimeters. ► View Available Hint(s) IVE ΑΣΦ V₁ = Submit Provide Feedback ? cm³Calculate 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. %