15.25: A gas undergoes the unusual pp io2i.t*ww8tpd- v 3yrocess 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 fep: )fbc14szu f37rweyels cool. Thiss4bw: 1c)3yf ze7purf is because

  94.35: A gas can be taken from state a to c by two diffezl0rik .aqa 84rent reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the sy8r lki a.qa0z4stem 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 Pressure ufb:s;cbtibaut:-ug* 4m n j-b/ -xy: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 b to d 20 J of heat are added. In theynms4-x; :b:cu/:-ajbub t gb*i-fut process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally cbj e5 l 1 r4x.wdn* /2,lvjep3tmgy+vsompressed:

  97.15: Which of the following is always true for an isothermal procesa. n9m 3vi9 q ysaz. iq-bx78*loqhfw8s of an ide-yf 83wiaqb. aos879 mqlnhq9xzi.v *al gas?

  13.31: A monatomic ideal gas undergoes a reversible isothera, b 6a18qz;7 g24 rlahins(qe*h xvaqlx 7/ltmal expansion in an enclosed containeb7zl26ga a;tx*qh i8x,(qlqh4a ra/vl se 71nr. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed bx;d7ahu y; :iwy an isochoric cooling. Which of the following statements must be true after the completi;di7xwa; :uy hon of these processes?

  11.44: One mole of a monatomic ideal gaspa i+ fe) y/whh8/5e8 -kzkhoj undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 kj/ h8p i -a/ekyozfh) +5weh8K. 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 pr:lm. h5uzcd.qv)p*v wocess. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best descri5.m*wld vzh uqpc:v. )bes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas in wcs -n):9udtcpzywo .*iatv 70hich th oszc -paw*nci:d79yu) tt0.ve pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabaticn2b0a en. e z8zek7/bq process. 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 gb72.0 8e znkzq nebea/as sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas a(hplv7erpku3wn gs5es j;,z6o2 sy) 3 t:luv1re 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 a() l2srsg7v36;w lo, vekyutenp :su3 j1 5zhpnd 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 reversibke l/mzwvyb/2 q *.s(rle 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 which process(es) does the temperature of the gas decrease el/b2yszkw*./(r qmv?

  16.48: From a given state of P, V, and T ary qurmo)m oe0;o+b g32g,8 dfor an ideal gas, which one of the following reversible processes has the most heat assrgg, dmaooe rb+my2ou08q;) 3ociated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has a 9a-lm do68:qq7szy zasample of diatomic ideal gd7-qaamzq: 9l8sz oy6as. 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 at the higher temperature?

  08.44: A mole of a monatomic ideal gas has presjf 7q+0ts znn7 rg)z:tsure P , volume V , and temperature T . Which of the foll: +tz7z)rs0 7n tfjgnqowing processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas absp9ws0y( ;rs re to undergo reversible processes. Which one of the following choices is a correct statement about the heat ass;9s (y sbwr0psociated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling