15.25: A gas undergoes the unusny- b qsxe-l vx15t3-vual 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 p p*y6yx5hg y;mressurized cylinder, the stream of gas feels cool. Thi;5 gyphyy 6mx*s is because

  94.35: A gas can be taken from state a to c by twovjd+9) /,xtpi+ldfek 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 p pv)jk+dtid ,+f9elx /rocess 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 g(+i(bs *cht aVolume graph shown, in the process of going from a to b 60 J of heat are *tha( (gscb+i 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 isr6n txh j6a( gn:/ogh.othermally compressed:

  97.15: Which of the following is always true for 0ka h4dsit8b tjq:2q ;md7uh )ei 5f.dan isothermal process of an ideal8u2. 7 i qdsi)m4et ;b0d:adfk5q hjth gas?

  13.31: A monatomic ideal gas undergoes a reverspj 8umv-ml*b3/3 e 9fy y+fadxible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas hasb la3-m*8yejmpf uvfy +xd/39 a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion folh :9- uvkiy3dhlowed by an isochoric cooling. :-vk9 hhi3dyuWhich of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric nef9s--n+k 1ppu(f9038 d7f eiba8rkab nvyvexpansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices besb1ann3pf7ak9 0(surekf +-f d-bn88 v9p vieyt represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gasqr :5r lr 83tepcr2a+v undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one ov28a5+r l:p rtrr3ceqf the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an 3k5fkqdujms r-*2*+mwux 2x jisochoric process on an enclosed ideal gas in which the pressure du d2wm x*qrj35f - xk2u*jksm+ecreases?

  15.47 One mole of a diatomic ideal gas undergoes a)k9.p5 d jwme2u r+qbj ke5ei1 reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved duri+9rke.25w q pemu 5bd)ijjke1ng 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 eqo25gu l-y5)-rmgup lk ual 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-lg-ul umg5)yk 5 o2rp 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 p*a763 s cwh:p75h daahzmrke;ossible reversible 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 isoch;c akhw36m :he7zs*ha7rpd5a oric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state ofa71ihd v1(p/yc8uv yf P, V, and T for an ideal gas, which one of the following reversible process uv1/(7pyv1ya i8cdfhes has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while container B has agjw* sylh)au1j gc8b yg6/ 48y sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pres)gyus4cghg8 ya/wyjb *j681lsure, 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 pressure P , volume V ,1f89s /no mo ezp54 ww,hok)tf and temperature T . Which of the followino5 t fsoe 14w,fpkwn)z9 8/mhog 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 are to undergokn 0vq-h ryxk/7cg5fg3et r6 + reversible processes. Which one of the following choices is a correct statement about the heat asr3 05fg cykv6rnq7h-etx +g/ksociated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling