15.25: A gas undergoes the unusualyf ldlj945y k:51mv6m h2 hcmf 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 fk.,.8lpxth f89rn6wxrydpp-gm gp 2d063 kq gas feels cool.lrn fk9. pg-xypf8pd6pwg hx 6,r3.mt2 k08qd This is because

  94.35: A gas can be taken from state a to c byv(( lqbn x;uz0 two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 0(nuv(zblq x; 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 Volume graph shown, in the processng yjje /7+xz-w2h w1p of going from a to b 60 J of heat are added, and pn/z y2+j1 hwj7ewx g-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 isothermally compvu,9 ux afq/(yressed:

  97.15: Which of the following is always true for an isov9 lkzg/znl* nu)mg8pb.( 0ntthermal process of an ide0 gkl*)vntl b8.gz n(m9/ nzupal gas?

  13.31: A monatomic ideal gas undergoes a reversible isotherq7 -:hzwy9wlwjpd 4ysh- 12gnmal expansion in an enclosed container. Which one of the following quantities associated1hw:hdzpyyj9-2 sgwq4 l 7w-n with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochori26prv sh8krv 7c cooling. Which of the following statements mu h786rvsk v2rpst be true after the completion of these processes?

  11.44: One mole of a monatominu-nu66o+r/lu 5 s yikc 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 choices best repreul orsu y6+5/k-nnu 6isents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. Du0szxo41hhjsh1l .lq2h r .7cering the process, the gas performs 80 joo2 40l.cljh7hresz.hsq1 xh1 ules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not sk vo,s(sfmmd*+iaw-; 1 +uprtrue of an isochoric process on an enclosed ideal gas in which thesofw( ; p+vukam di+r 1s,ms*- pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversibleesq + bg8br8q2 lxeob :7q-fo/ adiabatic process. The pressure and volume initially are given as b8xqlse:oro+ef7qg28/b b q- 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 same ideal gas are imj58zpq zudfl-)pu ,,u,e k, nn 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 tempj)pnz, fe8ukp,dzmq-, ul5, uerature?
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 diagrarqxp/lig 6bhu: a(*i4m shows 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 (constant volume). For which process(esghi/4abu rx(6pi* q :l) does the temperature of the gas decrease?

  16.48: From a given state of P,:r /vxfmqico76o0 bqxd t:q,00cml m 1 V, and T for an ideal gas, which one of the following reversible processes has the most heat qf:om01dq ct07 i,qxc m/:bm0ro6 v xlassociated with it?

  04.45: Container A has a sample of monatomiy7 bpjja c4uel kq5ciqcc ;c+4y:;h9: c ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the sa4yeblkch c; qq;cuypiac95 : cjj 7+4:me 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 gas has pressure P , volume V-yysu(p lpa4yr 4y5 z7 , and temperature T . Which of the following pr7yuyzr p5ylp4-y a(s 4ocesses would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samo::2move *1.zq syzb m28z ettples of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correczye *:zvz qstom:2.2te8 bo1 mt statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling