15.25: A gas undergou t,n+dq p/s;ees the unusual 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*6 1oe, .l*x rdivyhsm of gas feels cool. This is be myd1ihl,o ev6sxr.**cause

  94.35: A gas can be taken from state a to c by two different reversible prot 4cc3okdjn- a+m- 3mjcesses, 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 a→b→c, 25.0 J of heat are added to the4- 3-mdm3+jcck nj aot system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in t yle6 yc)ai4s5he process of going from a to b 60 J of heat are added, and il5y)sec6aiy4 n 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 i1poupw5b4jkq5fi5 .) aj4 t 1 -nrcn.ookzg2isothermally compressed:

  97.15: Which of the following is always true for an isothermal procesrts+ zk ge7e4 g68t-8ak qv;p/igik3js of an ideal gas?z7;iek-tvkg qas+ 6 g ge38/4kj8pirt

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansio-vpfg df 5*u ,b1jw2xln in an enclosed containerv ufw-1l*5xj g,pdfb2 . Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion fpslfpggksd1/ //m, 8yollowed by an isochoric cooling. Which of the following /sps8gkmgy ,/ /1ldpfstatements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergo;rz j t;z fns1mls50en2p :)ntes an isobaric expansion. In the process, t0 :zpsfte5;;m nst1nln) rjz2he 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, ideal gas undergoes an isobaric process. During the pu mt3wwa1 v)08 p; unye;-lcpojmnn*4 rocess, the gas performs 80 joules of work on the surroundings. Which one of the ln )u twv;cep-n1o0 pm w;3amuyn4*8jfollowing statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an en+c/f7f oqu pa(closed ideal gas in which the pressure dqffp( a7c+/u oecreases?

  15.47 One mole of a diatomic ideal g:+u 8cl2chr(v.qoi +alg s, lgas undergoes a reversible adiabatic process. The cv++lu sqigclha: 2(,l .8orgpressure 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 gas sample by the surroundings?

  03.48: Two completely identical sampx shcpx( boz09a63+mil l)j3 ples of the same ideal gas are 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 contpja(x6oi+ hl 3lb0 9cp)sxmz3ainers 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 reversible processes perfpp uy33e 3rs.aormed on a monatomic ideal gas. Process A is isobaric (consty e3.rasup3 p3ant 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 P,/mk;0jxl stb : gok(i- V, and T for an ideal gas, which one of the following reversible processes has the most heat associated wx:im to b(sgkk/0;-jl ith it?

  04.45: Container A has a sample of monatomic ideal gas, while cobb1x2pznlf( v9enq;( y*bw7r ntainer 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 gasez w(*(q 9nybl7bbfnv2pr; x 1 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 , an 2d 1 qo.ksh g+vmk1g;0zej/ojef4b+yd temperature T . Which of the following processes emkdo /.e f ;gs2ojykhb1z0gq+j14 +vwould 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 underg/9 ap m5f;hafx1 itubql:ig/8o reversible processes. Which one of the following choices is a correct statemenq 19f; xgl:b5/miu8pat/ahf it about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling