Mike is trying to determine the amount of work his experimental air compressor is doing. He finds that the amount of work done (W) depends on the rate of change in pressure created by the pump (dP/dt) with respect to time, the volume of air inside the pump (V), and the speed at which air moves out of the pump (v). Part (a)  After an initial test run Mike determines that his pump does 280 J of work (W1). Calculate the amount of work (W2) in J that Mike would expect his pump to do if its volume were 3.5 times greater. W2 = ______ Part (b)  If Mike wanted to reduce the volume of his pump by a factor of 6.5, yet keep it doing the same amount of work at the same airspeed, by what numerical factor (B) would he have to increase the rate of change in pressure (dP/dt) his pump creates? B = ______

Mike is trying to determine the amount of work his experimental air compressor is doing. He finds that the amount of work done (W) depends on the rate of change in pressure created by the pump (dP/dt) with respect to time, the volume of air inside the pump (V) and the speed at which air moves out of the pump (v).

A 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…

A 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. 1646400TJ

A 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

A thermodynamic process can be represented using a PV diagram where the pressure and volume at every stage is recorded. In the thermodynamic process shown below the work done by the system is РА A O the area under the PV curve and positive the area under the PV curve and negative B is the product of the change in volume during the process and the change in pressure. cannot be found from the PV graph

Suppose a heat engine design makes a square on a PV diagram, using a monatomic gas. The high pressure is 3P and low pressure is P. The high volume is 3V and low volume is V. What is the efficiency of the heat engine?

Question 6. in one cycle, a heat engine does 700J of work and releases 1450 J of heat to a lower-temperature reservoir. What is the efficiency of this engine, in percent?