15.25: A gas undergoes the unusdxk gpip ete)c(t)z3j3w+z ) 6ual 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 presn m;ms )h12vmyliq(g/surized cylinder, the stream of gas feels cool. This imm/nl ;v(q2)m1hs yg is because

  94.35: A gas can be taken from stagq :5x / bwnoxe0z-hqc -/ups)te a to c by two different reversible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of wo zuhx:c- g p)e0s/o qxn/b5-wqrk 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, ,br1c6m*adjo in the process 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 *oa mj ,dbr1c6total heat added?

  96.22: When an ideal gasfw9p u0;6+yc 5p z h:n4ttizfq, szyqyc v/:7n is isothermally compressed:

  97.15: Which of the following is always true for an isothermal process of:),sk cy1itanpr/ ;l u an ideal galr )supti/k1 y :;n,cas?

  13.31: A monatomic ideal gas 2(a k olz*( tlw26gy 60qvurjmundergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the ga*aykt(2j6v lwlmg o60uz rq2( s has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochorig*vc .e(3rmq1djv zg8c cooling. Which of the following statements must be true after the compvgjr3gc*zq.e m v( d81letion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes xvx:ub03c t*z an 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 done by the gas on thevtxcb30 :xzu * surroundings?

  14.46: A monatomic, ideal gabspar 1 :9fy)as undergoes an isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the r a1)abpsf:y9 heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideale;ngtvqm2 b2q t7 g)4b gas in which vq2gnett4)2qbb7 gm; the pressure decreases?

  15.47 One mole of a diatomic ideal gas q+f lw87wpgsy4km 0e7,/zyj xundergoes 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 fg7s qy0xyk wezm l84j7pw+/,during 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 e1/uyo m khk67vqual volume containers with the same pressure and temperature in containe 7y16khvuk/mors 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 di4f5ch qws i2x8fferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is iso8whqx54 i2csf thermal (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 guy bvo3dmt v. *9 c5g-1nflgyymut.7 .as, which one of the following reversible processes has the most heat a 51 -lnt3 uv.tg9df.y yv*7c.ommuybg ssociated with it?

  04.45: Container A has a sample of monatomic ideal gas, while contapz( he skxac5x zt1)c5(db7 8ainer B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number oxzckb( ( ad 78axh ctse)zp515f 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 pressuv l5rc2 rdc7(sq:x; qhre P , volume V , and temperature T . Which of the following processes would result i57l q(2 hqc dvcrxr:s;n the greatest amount of energy added to the gas from heat?

  13.48: Two identical sapm8vm vge+gr8/o954ia au4 j xmples of a monatomic ideal gas are to undergo reversible processes. Which one o84 ep8iama +u 9v5gj 4vxmg/rof the following choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling