15.25: A gas undergoes the unusual process M op )9z-yo) n8q y)ncjc$\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?

  03.28: When gas escapes from a pressurized cylinderg by.qx: : y(svvz5l9pdu5y)l, the stream of gas feels cool. This is becausz:b)x 5v 5y:uvq(l.dy9gs pyle

  94.35: A gas can be taken from state a to c by two difmw5q7q,kbo q4b wt(u -ferent reversible processes, a→c or a→b→c. During the q7muw4 obt5b ,q(wkq-direct process a→c, 20.0 J of work are done by the system and 30.0 J of heat are added to the system. During the process a→b→c, 25.0 J of heat are added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus y0 b8bo1fu7ndz *efs4Volume graph shown, in the process of going from a to b 60 J of he1*uzn8 bd47fyeos0 bf at are added, and in the process of going from b to d 20 J of heat are added. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is iso:j15epr4o hx;i 0w3e zz inmqo2w 1i)sa6o0dp thermally compressed:

  97.15: Which of the following is always true for an isothermal p3qmean2ld e 41rocess of an ideal gas41nem 2 laeqd3?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in ejkfomz 316( hd+rj+ioo.;e wan enclosed container. Which one of the following quantities associated with the gas has a va ho+jko6.(3fei z;o +wjmrde1 lue of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an lsiz,/myex5s2. u3kpisochoric cooling. Which of the following statements must be true a k5es3i ,px2 slyzu./mfter the completion of these processes?

  11.44: One mole of a monatomic de1n 0was mr: ,b7s9ifideal gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices b 9ms07r nad:iwe b1fs,est represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proce;gttfksf 4im((7 ;f lzss, the gas performs 80 joules of work on the surroundings. Which one of the following ss(t7g t;fkz(mf; fl 4itatements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gashk(ib*i8pql 2 in which the p plb(q h*k28iiressure decreases?

  15.47 One mole of a diatomicetxm1*8jxb iuj3 y-4 u ideal gas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic process, hoxxb1 3itju uem-*y4 8jw much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in5s jjvs )rr86+h,ihli equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in containers A and B, which is at the higjli jir 5h)r,8vs 6s+hher temperature?
The gas in container A performs non-zero work W on the surroundings during an isobaric (constant pressure) process before the pressure is reduced isochorically (constant volume) to 1/2 its initial amount.
The gas in container B has its pressure reduced isochorically (constant volume) to 1/2 its initial value and then the gas performs non-zero work W on the surroundings during an isobaric (constant pressure) process.

  05.38: The PV diagram shows four different possible reversible procesvhhvo( c/ut9rrr 7l..ses performed on a monatomic ideal gas. Process A is isobaric (constoc..rv/7rt hru9(hvl ant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given go(qjg8fj;,x w3 eepj+ s2lj9state of P, V, and T for an ideal gas, which one of the following reversible procelf,eqj g s+(ewjpoj 9x8 3jg;2sses has the most heat associated with it?

  04.45: Container A has a qa)10 oubv/xfo;4ln tb2qvv 6sample of monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each gas now undergoes a reversible adiabatic process that cuts the pa n4o lbbvx0)uq16 vq;/ot fv2ressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressurv( sr-wkoe x -sp44-phe P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas frorevs -p-(pw -h4xok4 sm heat?

  13.48: Two identical samples of a monatomic ideal u *2cbn)aiil.gas are to undergo reversible processes. Which one of the following choices is a correct stateiu. ic2)abn*l ment about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling