15.25: A gas undergoes the unusual proc +71 tmtwtlnro-vr)ai uj)3x) ess 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 cj:gz*3w k;,pl:tjxd sylinder, the stream of gas feels cool.k:wz* :3dp;xsgt jj,l This is because

  94.35: A gas can be takiy-*u2kui p33l a qq*ren from state a to c by two different reversible processes, a→ 32kay qiu*lup irq-3*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 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 li3kzkd 8o* 5eof 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 ao58ki e3l dkz*dded. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally compresse4z) c p):nkelld:

  97.15: Which of the followin8s,bw t53lepzg is always true for an isothermal process of an ideab lp5t3 z,swe8l gas?

  13.31: A monatomic ideal gas undergoes a reve/ 12,2diks cjqb8ge d5rjgf v,rsible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value ofv8gr k2 s/jjdf,qcb2 1d egi5, zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by +m 4xrr82lsc qan isochoric cooling. Which of the following statements must be true after the completion ox2lsmcrr 84q+ f these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expa.7nidqsx nk9.nsion. In the process, the temperature of the gas increases from 300 x qi..nk9s dn7K 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 gas undergoes an i 7;hmjpk z-m9o qz3fa3sobaric process. During the process, the gas performs 80 joules of work on the surrozjp7haq3o 9 zk- 3;mmfundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an encloseh)0:aa*eajwcq j f. 4mg2 /evwd ideal gas in which af j/a cae4qv hw )g2jm:*.ew0the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic proced o i- zogh/br8g t+/c2;g2iuzss. 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 muigdh uz/rbz2o c g+/; g8oti2-ch work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples l3 rc:5 /hl u7q(rkxnuof the same ideal gas are in equal volume containers with the same pressure and temperature in contai: k nl5r/ulur (7qc3hxners labeled A and B. After the processes are performed on 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 reversi4wcmx1n3t)auk pa;/ ;4d+h ckeo eap ,jvf-.q ble processes performed on a monatomic ideal gas.,qcm4k.pdep4o e jh anva)uxfa3 c1/k wt+-;; 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 P8s g.p g0beq.h ;7qncy, V, and T for an ideal gas, which one of the following reversible processes has the mostyb0g8 sc p;n7qhq.eg. heat associated with it?

  04.45: Container A has a sample of monatomic ideal gaslysutxcqqq7q;36w 1* , while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of mole71 x qqq;6y3 cws*ultqs 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 , and temperaopq-rq tf/4*g fg4jd 17w mlxgdg/)n0ture T . Which of the following processes would result i p jfm7r0g to4/ fg)1q*dgq- glw4dxn/n the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal g5t41s:n(te a. l1uy/ajtudwfas are to undergo reversible processes. Which one of the following choices is a correct statement about the hea nu54y( tef aa/udt1jw.1s :tlt associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling