Determine initial pressure in bar and work for process
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Refrigerant 134a is throttled from a saturated liquid at 70F to a saturated liquid-vapor mixture at 36.1 psia. What are the temperature drop, quality, and specific volume at the end of the throttling process?
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The pressure of 6.0L of an ideal gas in a flexible container isdecreased to one-third of its original pressure, and its absolute temperature is decreased by one half. What is the final volume of the gas?
The initial volume is 0.1 m3, the final volume is 0.04 m3, and the final pressure is 2 bar. Determine the initial pressure, in bar, and the work for the process, in kJ, if (a) n = 0, (b) n = 1, (c) n = 1.3.
A 40-kg bookshelf requires a 100 N force to begin its motion. Once moving, it will requires a force of 60 N. What is the normal force?
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When the balloon reaches an altitude where is is neutrally buoyant, it transmits information about weather conditions to monitoring stations on the ground. Is this Lagrangian or an Eulerian measurement? Explain?
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