15.25: A gas undergoes th*n aw6mcv g02 z*rwm8we unusual 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 fro; gk wc4dn8ca)m a pressurized cylinder, the stream of gas feels cool. Thd ;wancck) 4g8is is because

  94.35: A gas can be taken fromx:ar 5 +g(vaq tu1g,als9laj6 state a to c by two different reversible 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 (,+rs 5a gv1l6l aagu:9xtqajthe 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 v *nd(ws* cgrq-s/ t(c/pw nh,wersus Volume graph shown, 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 ontcwgd(pw- / /q,crhw* s*s (nf 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 isothermall .vadz0bnrkfm. kzg534m7 mcm2 2p5cby compressed:

  97.15: Which of the following is always true for an isothermal process of an ide6l:o6x f kc0real :l0roe 6ckx 6fgas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal exp)of,uqut9 sjo.d61 qf ansion in an enclosed container. Which one of the following quantities associated with the gas has a value of zeu1us.tqf) jfq o,o96 dro?

  09.33: An ideal gas undergoes an isobaric expa 6 x4pv; rg4nwzy+zs6s yy7i6onsion followed by an isochoric cooling. Whichg6yyi4 r v6now7+ zy p;4ssx6z of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric ex3 yg:f wwihkeko4..( sb glawe a/;x8/pansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the follo34gs ke;:i yfw./ 8abxak .w o(eh/wglwing choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas z (.;5tmu/d9ti cpp6 oy at52tceur2a undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the follm5;uy5tpp /ac2 o(te6ar2 . iu9czt tdowing statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochal pv 5i7l0rsv8, )pntoric process on an enclosed ideal gas in which the pressure decreasep5a 8)7l 0vvrln,tspi s?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic pa81ps,b/i wlp rocess. 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, how p p8,i 1blaw/smuch work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the samsr3 4bead9uv5 n;z: xen+ he-ae ideal gas are in equal volume containers with the same pressurdh3n: x nz+auav5 s4eeb9-e ;re 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 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 shows four different possible reversible processes perfor./x0 seu/nh+dis/cbt med on a monatomic ideal gas. Procese/s+/h bdu.n/0 sixcts A is isobaric (constant 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 state of P, V, and T for ac053b( /v -ihcfmr0 p:izfvau n ideal gas, which one of the following reversible processes has the most heat assocbrmv5fvh-ip/zf0a3( u :i c0ciated with it?

  04.45: Container A has a sample of monatomi(,un- cu5 gt9mrqsid 2c 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 g5dug n,cumsi29- r qt(as 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 gas h41 cm/f d7wazsas pressure P , volume V , and temperature T . Which of a4d1 fmswz/c 7the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal 8 powg1ib5hi- gas are to undergo reversible processes. Which one of the following choices is a correct statem b5o1ph w-igi8ent about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling