10. Oxygen gas having a volume of 1200 cm at 40.0 °C and 1.01x10 Pa expands until its volume is 1550 cm and its pressure

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10 Oxygen Gas Having A Volume Of 1200 Cm At 40 0 C And 1 01x10 Pa Expands Until Its Volume Is 1550 Cm And Its Pressure 1 (32.79 KiB) Viewed 51 times

10. Oxygen gas having a volume of 1200 cm at 40.0 °C and 1.01x10 Pa expands until its volume is 1550 cm and its pressure is 1.06x10 Pa. Find (a) the number of moles of oxygen present and b) the final temperature of the sample. 11 A Camot engine operates between the temp. T = 900 K and T400 K. The engine performs 1200 J of work each cycle, which takes D.4 s a) What is the efficiency of this engine? b) c) What is the average power of this engine? How much energy Q is extracted as heat from the high temperature reservoir per cycle? d) How much energy Q, is delivered as heat to the low-temperature reservoir every cycle? 12. An air conditioner takes energy from the thermal energy of a room at 78 °F and transfer it as heat to the outdoors, which is at 1045 "F For each joule of electric energy required to operate the air conditioner, how many joules are removed from the room?