15.25: A gas undergoes the unusaqzg6 c6t5nn9 ual 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 feels cos10nvjxtz .2h m0vx7oqle :wfk:4+dt ol. This if0 ks hx tvt 2w+1:nj4d z:e0mx.o7lvqs because

  94.35: A gas can be taken from state a to c by two different r21*h l0mpmr ibeversible 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 ad mi*hlrm21 p0bded 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 sh7ayq g oif0*s2 .l.;1n;r+mcq n bceezown, 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 mz +ca.c2;b*0;s1o.yinq e lrfnq7ge 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 compressed:thkg)ear7ukp w x(3y1h/xi ,9

  97.15: Which of the following is always true for an isothermal pr5v3p f3g6q2n) zty, ig+txyve ocess of an ideal gas?t 53f2eq,v 3t)6 p xvzgiyy+gn

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion in as9.u0 lfpy;p zn enclosed container. Which onesp0 ;.f9 uzylp 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 qixque8a ;eb j0s h-1,isochoric cooling. Which of the following statements must be true after the completion of these processe0i-1u jbee;8,qxs qah s?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansion. In r9*ygm:a-b5g41pfarrq r9p 7)x quggthe process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surrounda:*r1rb)5rgmrxy p9qgga gf 7p 9 4qu-ings?

  14.46: A monatomic, ideal gas undergoes an isobaric prn6kocjll2/ ))u:k w dmb l9,odocess. During the process, the gas performs 80 joules of work on the surroundings. Which one of the followoludk ) m:lc2o) wd/9kb, nj6ling statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process pm1- q(o(ew4rotyeu j :gj )3don an enclosed ideal gas in which the prpy 31jtr- j (eoqeu4gm:w d(o)essure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a revek( 7h xfr8*0dl s+hdflrsible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatif 0lhshfdd7r*(8 lxk+c process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samprjq703 lec ,t,sm (ugtles of the same ideal gas are in 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? (tmg 3et,cr , l0qsu7j
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 pe dk8x13aeedq6 rformed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermaed6xd 31q ak8el (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 an ideal 6 liu90( j+ n,)v x:uhpjnqvdhgas, which one of the following reversible processes has the most heat associated with qx0j:unv pj ihund9)lvh(+,6it?

  04.45: Container A has a sample of monatomic idlq9kh e9mj p*/eal 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/m *p9 hq9lkje. 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 , an,(hkv8 y* :tzr(pgujld temperature T . Which of((8kg vl j *zh,rpy:ut the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of kq oxkfub50oh jnv7+((t, -qfa monatomic ideal gas are to undergo reversible processes. Which one of the following ch ox5fofbqu0-h 7,j+(k(q tkv noices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling