b) Sketch the work of the expansion on a p- V diagram, and be sure to include theisotherm and indicate the initial and final volume on the isotherm. (No numbersare required on this graph.) A vacuum cleaner creates a negative air pressure of -20 kPa relative to the air outsidethe vacuum cleaner. Suppose 0.50 mol of a monoatomic ideal gas (Cv,m = 3/2 R) in adiathermic piston at 26.5 °C was suddenly exposed to this low pressure environment.(Assume that we are at sea level.)

We know that PV=nRThere, n, R and T are constantsThat means, PV=kSo, the graph will be rect…

Answered: b) Sketch the work of the expansion on…

College Physics

11th Edition

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Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Calculate ΔA for the isothermal compression of 1.54 mol of an ideal gas at 322 K from an initial volume of 51.2 L to a final volume of 13.1 L Does it matter whether the path is reversible or irreversible?.
Discuss friction losses using the first and second theorems of thermodynamics. How do we compensate for pressure losses in real life?
One mole of an ideal gas is heated at constantpressure so that its temperature increases by afactor of 3. Then the gas is heated at constanttemperature so that its volume increases by afactor of 3.Find the ratio of the work done during theisothermal process to that done during theisobaric process.
One mole of ideal gas at 2 atm and 300 K is expanded isothermally to 1 atm while in contact with a heat sink at 400 K. Find del S for the gas and the heat sink if the expansion is reversible
An ideal gas initially at P₁, V₁, and T₁ is taken through a cycle as shown below. (Let the factor n = 3.9. Note, this is the factor by which volume and pressure increase, as noted on the PV-diagram; it is NOT the number of moles of gas.) P nP; P₁ B D nv; (a) Find the net work done on the gas per cycle for 1.35 mol of gas initially at 0°C. kJ (b) What is the net energy added by heat to the system per cycle? kJ
An ideal gas, initially at a pressure of 10.3 atm and a temperature of 312 K, is allowed to expand adiabatically until its volume doubles. What is the gas’s final temperature, in kelvin, if the gas is monatomic? What is the gas’s final pressure, in atmospheres, if the gas is diatomic?
If we know that the internal energy of the monoatomic ideal gas remains constant during the process in B to C, what must be the pressure Pc at point C in terms of the original pressure P0.
A gas is to be expanded from initial state i to final state falong either path 1 or path 2 on a p-V diagram. Path 1 consists ofthree steps: an isothermal expansion (work is 40 J in magnitude),an adiabatic expansion (work is 20 J in magnitude), and anotherisothermal expansion (work is 30 J in magnitude). Path 2 consistsof two steps: a pressure reduction at constant volume and an expansionat constant pressure.What is the change in the internal energyof the gas along path 2?
What are the key principles and applications of the adiabatic approximation in the field of physics?
One mole of a monatomic ideal gas is initially at 273 K and 1 atm. (a) What is its initial internal energy? (b) Find its final internal energy and the work done by the gas when 500 J of heat are added at constant pressure. (c) Find the same quantities when 500 J of heat are added at constant volume.
For the statements in them, put T if they are true and F if they are false. c) ( ) Two gases A and B, of equal mass, are at the same temperature. the molar mass of gas A is greater than the molar mass of gas B. In this case, it is correct to state that the energy internal gas B is greater than that of gas A.d) ( ) For a diatomic gas with molecular rotation cv = (5/2)R and cp = (7/2)R. for highs At temperatures the atoms of the gas molecules begin to vibrate. In this case, it is correct to state that for high temperatures we can have cv = 3R and cp = 4R for gas.e) ( ) In the diagram below, the ideal gas performs 5 J of work along the isotherm ab and 4 J along the adiabatic line bc. In this case, we can say that the variation of energy internal gas along the straight path ac is -4 J.

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b) Sketch the work of the expansion on a p – V diagram, and be sure to include the isotherm and indicate the initial and final volume on the isotherm. (No numbers are required on this graph.)