15.25: A gas undergoes the unusual proces 4cdneo3y* o-z5yc3 lss 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, kut9h .:mcbh.the stream of gas feels cool. Th :th. .uchk9bmis is because

  94.35: A gas can be taken from state a to c by two different reversible y hq ljok3.g-1processes, 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 t1j3hy gk. l-qohe 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 process of go4.3l2ipzenr6o; vvxioa8mg 2ing from a to bmp3 o4az rgi6l8e2i .x;2ovnv 60 J of heat are 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 isom0epm.q,z abqm ky2 3)thermally compressed:

  97.15: Which of the following1th4wn:vke ym c +(2dr is always true for an isothermal process of an ideal gast1+ yerdc v(2h :4kmnw?

  13.31: A monatomic ideal gas undergoes a revwbmedfz30s85e2m t a- ersible isothermal expansion in an enclosed container. Which one of the following quantities s zt8-0amwe3 5edf2mbassociated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by aknuu2h/ 1 ehj6n isochoric cooling. Which of the following statements must bju 21kn hh/e6ue true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas unde/bdh,a0 1 ebkgrgoes an isobaric expansion. In the process, the temperature of the1k0egh db,ab / 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 surroundings?

  14.46: A monatomic, in d)hd2bkrp- 6deal gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statemenhrbp-dkn) 6 d2ts best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric proceiqo2 )q/+qikx c;v/ 6vpf u3wyss on an enclosed ideal gas in which the prc6 w/f2x3v ;qiv+/o qqkiuy p)essure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic pref4bs wv;f zl-z/gl;u6vyl v6 q1 *yx6ocess. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during thl w4g q6lzs*-z6l;vv ; u6 fx/yyvfb1ee adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completelo po gk5)l,4k1d0cyp: nrns4q y identical samples 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 y14 c0l ,gnorpq5o 4)n :kdpksthe 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 yspfxqj ,ben,jl+0 )8kn o:k4 processes performed on a monak)bnjkqo 4e p+0s,nfx8 l :yj,tomic 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(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T for an ideal gas0k0(xw m4wm wf, which one of the following reversible processes has the mostm4k(m 00wwwx f heat associated with it?

  04.45: Container A has a sample of monatomi6 vn na;d:, dtke+6ofxc 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. Which sample of gas is now,k:; ov n+ntfe6d6 dxa at the higher temperature?

  08.44: A mole of a monatomic ideqv2fw1t l(dy3al gas has pressure P , volume V , and temperature T . Which of the following processd(wqv3l yf2t1es would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to un7h f;7+o) rnmhnrhu8f dergo reversible processes. Which one of the following choio) 8rh7n unhh;7frf+mces is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling