15.25: A gas undergoes th55u1w fz+x ltze 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 pressk:enmg6s6 ku.t q 0p2++joe ha dmsz1;urized cylinder, the stream of gas feels cool. This is bak2ds 1k .u h:osn06e;tz mm+qep+g6jecause

  94.35: A gas can be taken from state a to c by two different revh,2hwdse1g)op+utbt -. s7 :,c l wgvdersible processes, a→c or a→b→c. During the direct process a→c, 20.0 J) shobg l,,7dtewtgv2:1+ cpus-. wdh 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 m,w-c*z bb1 gdi,o7md 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 the process of going a to c to d, what is the total hea-*m w1bz7m,cdboi dg, t added?

  96.22: When an ideal gas is isothermally cobasc9xg/l*6a+ b l 0kfmpressed:

  97.15: Which of the following is always true for an isw mzf/q747o jrothermal process of an ide74/jr7 qwfomz al gas?

  13.31: A monatomic ideal gas unde ptg;-d l8hs 7pma4 qfqz(no47rgoes a reversible isothermal expansion in an enclosed container. Which one of the following quantitiozg44q7adf hqtp-n 8(;lsmp7es associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed pc;t cyux;;x +by an isochoric cooling. Which of the following statements must be true after the completiocxc ;tux;+y; pn of these processes?

  11.44: One mole of a monatomic ideal gas undergoes a3lusps+k0j u9n isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done0j+3su 9pskul by the gas on the surroundings?

  14.46: A monatomic, idej/uk;eiu3l0*gvdf1 d al gas undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following sdkvugiu f;jd1le3*0 /tatements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas mpli y(8px09v in which the 0 x98vpyil(mp pressure decreases?

  15.47 One mole of a diamy;f q9pz,6kx tomic ideal gas undergoes a reversible adiabatic 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 worfzmky9 ;pq, 6xk was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same idep yh5 t5c 0-bu(5 n+anuzqjh6sal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the pnh h6baqy -n p5z 5u(05utcs+jrocesses 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 ws)me.1 raq c3uc /i 0gbp;-ovkdmo/+ different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isr cuca / wi)dgommbk+;e013./ o s-vpqothermal (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, V, and T for an ideal gas, whicicbw n )3*gt6l*zcj7asa, u1wh one of the following reversible processes has the most heat associated wita7c *3zsl i wt*)cb1uw,6ng ajh it?

  04.45: Container A has a sample of monatomic ideal gsi*36q6mg4 au4b wfjq as, while container 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 gas now undergoes a reversible adiabatic proc3as6wbj64f mgqq4 iu *ess that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic idepf4pn*, fg zc ).2 clawhf(mz-al gas has pressure P , volume V , and temperature T . Which owc f,hc.z fz2pplam- )*ngf4(f the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples o2b m0 a b:a:l - onmavmen-ilt.j,+1dof a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associatedn,+atbi.m:-vlom :2 da1n0 bao je ml- with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling