15.25: A gas undergoes thr777x ;s5 7*pdnzmqnumemc+ azo y1 7ly +yw:he 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 from a p docf/+ h9bqx,ressurized cylinder, the stream of gas feels cool. This if+b q,hcd9xo/s because

  94.35: A gas can be taken from state a to c by two different rea0hxqp+ :a2i/5gg j;t)u qt jvversible processes, a→c or a→b→c ji2q;:5jaaxp0g)qg t uh/+tv. 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 system during a→b→c?

  06.26: In the Pressuro4z(ma vk **-k7-pwddpbcjo ) e versus Volume graph shown, in the process of going from a to b 60 J of heat ad)p co*p-*jk4m(vdw7-oz kab re 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 isoth +exrp; 04yebq0v;,0c3. zivty apid zermally compressed:

  97.15: Which of the following is always true ,ydgsav:3 sr 7for an isothermal process of an ideal gs3v dra :sy7g,as?

  13.31: A monatomic ideal gas undergoes a reversibl9jv-8zz.yvjs n s,jo4e isothermal expansion in an enclosed container. Which one of the following quantiti sz jv9j8zvj .sno,y-4es associated with the gas has a value of zero?

  09.33: An ideal gas undergoes z,hv:hk3ry((q3v(p 3spaohkca5*k d an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of these processep h o*k3q(kv,ahcy (v5k(ad spz3h 3r:s?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. Ixrp8a4 f9u+f9gpq n+/ ml ;nhkn the process, the temperature of the gas increases from 300 K to 500 K. Which one of them9l/4qpg+n r+8 fauxkfhn ;p9 following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. Duri 48l-riqtt sl43fe b2nng the process, the gasnq2irl 84fs lt -4etb3 performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process onic:v6 dh +65d)sepnmj an enclosed ideal gas in whic p6hive ):5mdn 6j+csdh the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiaba0xf 9lcdq)a) rtic 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, how much work was done on the gas sample by the surroundi))cf 0r9xqd alngs?

  03.48: Two completely identical samples of the same ideal gas are lq y4al1 77ywdin 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 higher temperature y1lalw 4yqd77?
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 projwqq oxro1286n+ j n9ck:)adpcesses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is p q j+1x 9wnn)c6okad8:jqr2oadiabatic. 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 Teiw s+v/pc* pgb+adetw-:zgdr-w) 6, for an ideal gas, which one of the following reversible processes has the most heat associatedde:*awg-)cw6 evwg,dst/ -z++p rb i p with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B h45q*+d5d shaq)fhwhj as a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. Each f)h 5qjda54wsqh h+*dgas 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 has pressure P , volume V , azqn2qt 2;2zxyr n;sb2 nd temperature T . Which of the following processes would result in the greates rq22y x2;b;ntqz sn2zt amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatoqm z/v(/5vylemic ideal gas are to undergo reversible processes. Which one of the following choices is a co v/(mqz e5yl/vrrect statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling