15.25: A gas undergoes the u,;.i2 f8lnrk e*b infsnusual 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 8jfnw q8wni-+ a pressurized cylinder, the stream of gas feels cool. T- wnqi+nj fw88his is because

  94.35: A gas can be taken from state a to c f+*3hg2iuvp8v zv t4gby 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 avv4f itpz 8u+2gv3*gh→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 versum1h)yezr 5b82 jzvor 4s Volume graph shown, 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 of heat are added. In the process of g5jh8r o) r4em12yz vzboing a to c to d, what is the total heat added?

  96.22: When an ideal gas is og+q :rg91ty oisothermally compressed:

  97.15: Which of the following is always true w) j/ *rkfcqfvz5j+ncn21y +xqc4 c 6ufor an isothermal process of an idealqc1zfq nuj*kxy +2cvc)r+cjn6f / w45 gas?

  13.31: A monatomic ideal gas undergoes a r g(jl)m8wooiv -y--yjeversible isothermal expansion in an enclosed container. Which one of the following quantitiesyjy)i-g( vw jo lmo8-- associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochoric coo zpkgzm5,c . 16jj.xziling. Which of the following statements must be tr, z.k.1ixj mpgz6z5cjue after the completion of these processes?

  11.44: One mole of a monatomic dj tlxhgd08:ovx2u8 m60.xf h ideal gas undergoes an isobaric expansion. In thedtxxx o2jm:6fdhuv8 0l8h 0g. 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 surroundings?

  14.46: A monatomic, trt6g)qo1 (u aideal gas undergoes an isobaric process. During the process, the gas performs 80 joules of worqo6()u1t targ k 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 isyz- ufq oqe2iu:w m1q3xdt6 1s-7l 5zxochoric process on an enclosed ideal gas in which the pressure defmuz ozqw23 -5xq- l 1q6idt yx:7se1ucreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic proceph ): gpz43udggn17ilss. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiaz:1)d 4 ggnp37gliphu batic 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 in equal v.tinyp 09v)y aolume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed oy 9n it)0.vyapn the 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 reversiblew;1 h: 94 s:) bv+hu+x ,xaabtdfqkypc processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant tempe:wx:kqb bhpy4uvda+t +s ;a1) hc9f, xrature). 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 gas, which one o,xtr um3v -6g ixwra*4edud l2str:20 q7u0jdf the following reversible processes has the most heat associated with ,t2rul4t6mv3 -ra*ud r0s duijw 7:2 0xexqdgit?

  04.45: Container A has a sample of monatomic ideal gas, while containercirf8 tzk. e s/4 2smx/s+czq,jx*ut6 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 reversib/2mzc /ez k.6 f8 si4sqxc+,tuj*rt xsle 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 , an815 d(jpocm s+j)8.zmrri tsud temperature T . Which of the following processes would result in the greatest amount of energy added to.s )t(js+urz8 iopdjmm5 c8r1 the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas awyv7xb fkcu:m ,/ypf:) iam2*re to undergo reversible processes. Which one of the:/ pybyfxm,7m)u *:vw2 cfkai following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling