15.25: A gas undergoes the u/ p,yz, uxg8;qaay f/ynusual process M $\to$ 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 cylinder, the stream of gas fezz)w 7zmfv-w1 (xm3l+kuzp9gels cooll+kx 7wp9 vmm-(f)z z3zuwg1 z. This is because

  94.35: A gas can be taken from state a to c by two different (3z mc09a dczhreversible processes, a→c or a→b→c. During the 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 sy03a9(zzhmcc d stem during a→b→c?

  06.26: In the Pressure versus Volume graph setuui+ -vb.qz 34.bb thown, in the process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J b.eu.tuqbt v4-3izb + 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 isothermallys.p ( .t/uljyl compressed:

  97.15: Which of the x7 5/ vl m (i/xd(xzdizvadj535,m vcu-hydp(following is always true for an isothermal process of an ideal/ x im (zp,ma5x5z5d/jhvd7 l-cv(3diu( ydxv gas?

  13.31: A monatomic ideal gas undergoes a reverb kxmwvq8 og71fv+ br8trome 9j412,tsible isothermal expansion in an enclosed container. Which ,74g bfoq m t1kj8ov vx8mrr 9+bte21wone of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an ivgcb5ozaky 4 o02b.x 2.1ml8o:fy sqwsochoric cooling. Which of the following statements must 4.2: cg2.s85vzbkmxa foob1qy w0 ly obe true after the completion of these processes?

  11.44: One mole of a monatompfgt8 ma 7j( v w:g5t;x.er6ycic ideal 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 choxyr;vmtt(cjf 6g5 .:wag8 7 peices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric proce.lfbkmarj d7/6w /f* itl i*r8ss. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange*l w8fkd7l i.bam *f/rtj /r6i during this process?

  07.40: Which is not true of an isochoric process on dn3y 3d:9szazh y 5gc1an enclosed ideal gas in which the pressure decreay13cdhgd:5 zszn9 3a yses?

  15.47 One mole of a diatomic ideal gas undergoes a reveroqnl-z0izzj haf0+m7a0tx;euq7x 4(sible adiabatic process. The pressure qz(h+ nxx7 az7fzlta -0uim40qe0j;oand volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the 7 3d.,q27ixzjs(h c:dvoqpa g5j xrl0 same ideal gas are in equal volume containers with the same pressure andj5cdza7v.0g(l7qpsj 3xq,r2:oxi d h temperature in containers labeled A and B. After the processes are performed on the gases in containers A and B, which is at the higher 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 kv+i. zp ; 4+:gklv;qbs zj5xsshows four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (consqb v;l+ ;k+xi 4 kg:jp.zszsv5tant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, an9wh ;xtf85 sudd T for an ideal gas, which one of the following reversible procex9du5shw8t f; sses has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas,0b ea,ribx ,8j while container B has a sample of diai,0b,abx 8erj tomic 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 pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gazc (vd0p66-wn ;ayup+fdp.em s has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest pmae wup;(p.c + yv0-ndz66fdamount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic idmnx23 wwu ,2fqeal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with thwn q2u2,3 fwxme processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling