15.25: A gas undergoee v;a kxg 0q;djqqo::6s 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 pressuri 4nh9prz, .iurwo vsr:/*h-h +c l(fwnzed cylinder, the stream of gas feels cool. This is becausezsn.vhnr-or h4,h* +uifww9r/:c l(p

  94.35: A gas can be taken fromulg se(0ziq/;xc p05pg: hohl : 87fxq state a to c by two different reversible processes, a→c or a→b→c. During the sllfi:h85 gqxz (:0px 7p oh;q0ue/c gdirect 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 proa:6:ew,f hxg,f ,vx jncess 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 ad,,xngj ,6: hw vfexfa:ded. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is i;r*j 9lgwd7e8n hq+dsk5et6isothermally compressed:

  97.15: Which of the following is always )kv2*efvpl2xz ,az(*/ o izdy true for an isothermal process of an ideal voi*z vl 22/,pzdaykzef(x )*gas?

  13.31: A monatomic ideal gas undergoes a reversible isother c )5f-sgu 8hnmk;rzr5mal expansion in an enclosed container. Which one of the following quantities azn c -fkgrm)rus 8;h55ssociated with the gas has a value of zero?

  09.33: An ideal gas unds3 ;p (qnt9ha hewqe-)ergoes an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of thesas9e- ht) q3pq (;nwehe processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobari l rmcn8x-066wft1lvtc 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 done by the c-tw xm166 llrtf 8n0vgas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the vu(3mre hie9v*29vbz process, the gas performs 80 joules of work on the surroundings. Which one of the following 3v2her9v( vm9z bi*ue statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an encl s25rr mqb*e(gosed ideal gas in which the *qm2r(be r5sg pressure decreases?

  15.47 One mole of a die6veir* 3 7hkbn jjm32atomic 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 work was done on the gas sample k*6r 3 37e2mbhnjejviby the surroundings?

  03.48: Two completely identical samples of the same ideal gas are 3x+s:u0yt ( jcvgrxw2in 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 and B, which is at the higher temperature?t(j3x +0rcs y2u:gx vw
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 pr u0zyy2fqy1db:/uj-d ocesses performed on a monat y0bzfudj /2ud: q1y-yomic 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?

  16.48: From a given state of P, V, and T for an ideal gr(h fgkp+kgizno, -)4 /s(tt has, which one of the following reversible processes has the most rs-/gfiokh(gt tz , pk(hn +)4heat associated with it?

  04.45: Container A has a sample of monatomic idea)tjeibo,3.x ws x9jym 1(0ki kl gas, 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 a0)x.i ,jb e9 (mwkoyki1xs3 tjdiabatic 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 ky s :h7.25j4ckekib qgas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount syek52ckh :qki.b7 j4of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas . wbegncg:k+ (are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the processenkw: ce +ggb(.s?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling