A pearl diver fills his lungs with 5.25 L of air at normal atmospheric pressure and then dives to 17.1 m, where the pressure is 2.71 atm. If the air in his lungs stays at body temperature, how much work is done on the air as it compresses? Express your answer with the appropriate units. W = Value Units
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- A 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 JA typical avocado has 180 Calories. If all this energy could be used to lift a bucket of water weighing 40 N, through what vertical distance could the bucket be lifted? (1 calorie = 4.184 J and 1 Calorie = 103 calories) a. 1.72E+6 m b. 3.01E+7 m c. 7.53E+5 m d. 1.88E+4 mA gas expands from I to F in the figure below. The energy added to the gas by heat is 212 J when the gas goes from I to F along the diagonal path. Three paths are plotted on a PV diagram, which has a horizontal axis labeled V (liters), and a vertical axis labeled P (atm). The green path starts at point I (2,4), extends vertically down to point B (2,1), then extends horizontally to point F (4,1). The blue path starts at point I (2,4), and extends down and to the right to end at point F (4,1). The orange path starts at point I (2,4), extends horizontally to the right to point A (4,4), then extends vertically down to end at point F (4,1). (a) What is the change in internal energy of the gas? Use the relations between various features of the graph and the work done on the gas to find the energy added by work and then use your result to find the change in internal energy of the gas. J(b) How much energy must be added to the gas by heat for the indirect path IAF to give the same change in…
- Pressure (atm) 12 10 80 6 4 2 0 0 5 O c.-130 J O d. 130 J 10 15 Volume (L) 20 25 A gas expands and its pressure and volume are recorded, as shown above. What is the work done by the gas? a. 13,172 J b.-13,172 JA tank has the shape of a circular cylinder oriented vertically with diameter 4m and height of 5m. The tank is currently filled to a level of 3m with water. Find the work, in joules, required to pump the water out over the top of the tank. A. 4116007 J B. 38808TJ C. 1764007J D. 1646400TJA mixture of xenon and oxygen gas is compressed from a volume of 87.0 L to a volume of 81.0 L, while the pressure is held constant at 84.0 atm. Calculate the work done on the gas mixture. Be sure your answer has the correct sign (positive or negative) and the correct number of significant digits. KJ x10 X
- Find the amount of work W done on the gas during the entire process? express answer in terms of some or all of the variables p and V W = ?One mole of an ideal gas, initially at 310 K, is cooled at constant volume so that the final pressure is one-sixth of the initial pressure. Then the gas expands at constant pressure until it reaches the initial temperature. Determine the work done on the gas. -1.93 X kJ Additional Materials eBookanswer the question >>>>>