15.25: A gas undergoes the u; q -txvt1fmy8nusual 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 of gas feels coo/ v jn x)9 p-0i*ecgu8jmsgl;hl.* el08cj / ;)svinmgg-h9juxp This is because

  94.35: A gas can be tak*xaetu9*cl8m*m(rb n +wxan +en from state a to c by two different reversible processes, 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 armlc*wt+**bnmx 8(9 ua r+eax ne added to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shownl/y (tav1c nm :p,yf4d, 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 addedl/ n,m vfp1:ac4( tdyy. In the process of going a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally compress(iesx9l /vy8m2evu)e ed:

  97.15: Which of the following is always 4)*ruejj -j nntrue for an isothermal process of an ideal gas?j*n 4)e n-ujjr

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion vah26qroy:scldn k- ej // v80+6.tsq porf*sin an enclosed container. Which one of the followes f26r plq/rod/njo-svv8:c+ hya0s * kt6q.ing quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoe.d,ei6h0h6 (:vzmqo7ppgc tu s an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the compl0e(z6qi dg vm6oth.c hup: ,p7etion of these processes?

  11.44: One mole of a monatomic idealw ow8ylgfihut,a8j/ ;j3aw8vd2 s-k4 gas undergoes an isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices;duw8w8yi2 3ok8lw /-, 4atsfgh ajjv best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes anmc j s:k cg+,.mlm()rv isobaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements be(m msv.mc +kcjg)lr :,st describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas rll6 7 u5sz+y,70 a+shl rbypiin which the pressure decres5zsyuh ,p7l+llri +rby0 76 aases?

  15.47 One mole of a diatomic ideal uss p .mk38v+mgas undergoes a reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V =mk8.ms sv+p u3 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 samples of the same ideal gas are in equal vo8 hvvoung 4a50,lvvq .i65pqolume containers with the same pressure and temperature in containers labeled A and B. Aftevlhv5ni4qvv 05 .uo a8p6q o,gr 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 possibleg:r w 5o7(xxen reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is i (7nor5wxxge: sothermal (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, which onk: cn 2 1zutec4m:q*bbe of the following reversible processes h21m*4bkc tqcb:n: euzas the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, whil1l8l-4y jhl+zqywjv:s;m 5 mp e 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 process that cuts the pressure in half. Which sample of gas is now at the higher temperatl1j5lpzy hsw:+ ;l4 8- mvyqjmure?

  08.44: A mole of a monatomic ideal gas has pressure P , vo3 7e(ed*7r-5igg gc5 hmcqvl vlume V , and temperature T . Which of the following processes would result in the greatest amount of energy added to the gai 7 lq5 vvcgecrg7(e 5hg3dm*-s from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo reversicbpa p+i( dg-xmm:x5 5 ka0ce8ble processes. Which one of the following choices is a correct statemd+-pp(kc0mc ex5a i8axb5 g:ment about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling