15.25: A gas undergoes the unuihwm4dv7i/ ;f sual 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 pressuf*1hdmsh il2vq9e,.crized cylinder, the stream of gas feels cool. Thisf l9q.s d ci,m*ehv2h1 is because

  94.35: A gas can be taken from state a to cqa+yk(/d7 q zo10rurqlm wq3ly,16 kn y 22xnu 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 the system. During the process a→b→c, 25.0 J of heat are added to the system. Hoqk x37n l(qwd yq rkoq,+l m1y2 2z/un01uar6yw much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volur(v)uib5 xt7z (rrm/ yme graph shown, in the process of going from a to b 60 J of heat are added, and in the /yr57rvt (b )xmz iu(rprocess 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 -nmp +fw i5ug5isothermally compressed:

  97.15: Which of the following is always true fodn q)36m8 e+tasz 2fbalcbn: 8r an isothermal process of an ideal gasbaaqne mb f8z6lts32c8+)dn:?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in/f7z rj: ex0u8 u;ersw:dwy*r an enclosed contr 0* zj7ur;e:sx 8/dyeurfww:ainer. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansio6yq6y, rjfib (n followed by an isochoric cooling. Which of the following statements must be trb6(6jy, i qfyrue after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes aqqrj7l600: t3v(dcb, fp2 p72ospohaz -hhpxn isobaric expansion. In the process, the temperature of the gas inrxh 0(:,l3zqhphq2p2j-7 oc fsdtpv6pb70o acreases from 300 K to 500 K. Which one of the 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. During the procejp ng/4 u h4*b8x hxsx,hcro:*ss, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat erx8 c* :4x, /gs4p unbhx*hjhoxchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed i4gvwkth7u4)yo.vi8.0 8 mk0ubl1pd tvc asg. deal gas in which the pressure 4htic d vv.87uo048tkb0sa.)l 1ywkuv m ggp.decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic process.dh a 1wg5wj2,+0nvyax 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 sn1aa2y wwh+xv05 ,dg jample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal vol c 9p(ibb1yix t0uh;ndqfrj*-s( 4k )mume 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 *;(tcy x 49-ibiub0dmkr jh(q sn)pf1higher 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 posoa 5fyz/f(7 3nupv5xesible 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 whichn35y aef/( vofxpuz75 process(es) does the temperature of the gas decrease?

  16.48: From a given stat ;+vw vjs7m6mle of P, V, and T for an ideal gas, which one of the following reversible processes has the most hv+w76mm lj;vs eat associated with it?

  04.45: Container A has a sample of monatom53x a1*hvyseuzz- dhyfx1 *y3 ic 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 pressure in half. We33 **yzsh uy y 1f1h5-zvxxdahich sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas (nbg e 0mu0w0; 8hefcvhas pressure P , volume V , and temperature T . Which of the following processes would resh8nuve0 cb w0mfg( 0e;ult in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas ar4g (cp2jy9 ,nrq vc(mwe to undergo reversible processes. Which one of the following choices is a correct statement about the (yc (r ,w4nqpjmv c2g9heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling