15.25: A gas undergoes the uu9:tw-hopup xq4gk j:;7cbv( nusual 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 gak)bq5z-4*h,,5ec 8 pavu:ntwjg0w d reuia .cs feels cool. bg8wzkei q5 0w:dj-ac. t,*u4up vcr,5e)han This is because

  94.35: A gas can be taken from state a to c by two differeng x4h zx6at7t0nkv9:,xv h .jlt reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J 7 t z6x xv hjgl4.,av0ntk:xh9of 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 Pressureh7j/g-i4en 7de uyx 8x,uf-ww versus 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 g x4,xuu8e7i ye wh/njf-wd-7b 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 q6 /uze-aua ,xcompressed:

  97.15: Which of the following is alwa qev,-o- vso kvtz9s-)ys true for an isothermal process of an ideal gov ,ts v--9vqz e)-ksoas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expad4r:y1 5blhl6vl8 hnhw n9zf8nsion in an enclosed container. Which one of the following quantithl8vrln8hnh 5z6dw l9:4f 1ybies associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobariww-;9v j*emp vwky p n+w0d(s9c expansion followed by an isochoric cooling. Which of the following vnwek- 9;mpvypw j90 (wds*w+statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal iw +)*koemwj +gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 Ko)ik*em jw ++w 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 gat5hd6why 5w vqin1*2ys undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange dur1h6dy 5wqiynwt5 2*hv ing this process?

  07.40: Which is not true of an isochoric pit 7 t2mj3,z0o(p xvdzrocess on an enclosed ideal gas in which the pressure decre3jpdz2,( z0xtt7 omi vases?

  15.47 One mole of a diatomic ideal gas undergoes a rerp1if z:aq0 ;h+lsm.k i8zyb.versible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and Vb iif .zyz:k8sp; l1hrq+ a.m0 = 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 in equs7 +tl8x)*n4bgw tqs+mx8zf/ - z h; szzaoc)zal 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 temperaturxsfa8 n7x4zwl+*t/zt);bqshz 8o)cm +z s-zg e?
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 pr8h xblqcm9+i ,ocesses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Prix98q,m +chlbocess 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 of th g ry7/9xt m2:nrc-duye following reversible procr/un-7c9rmg2 yt x dy:esses has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has le dp5h nc4-y38yzcb:a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressy45 c byhecp:z-3n dl8ure, 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 mon*v h nasa33.mwa, aa 4wycf.t0atomic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gas f afv 0y.4 wsht3*aac3naa.,wmrom heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo hq;8 a.gya*h preversible processes. Which one of the following choices is a correct statement about the heat associata.hg ayp;hq8 *ed with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling