15.25: A gas undergoes the unusuafmz7w6rl 9p u6l 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 streamsmsdf* srh783 of gas feels cool. Thim d*f3h8 ssr7ss is because

  94.35: A gas can be taken frqa7q 6zd, 3:utm1wmc 7hcr5+fzxj j. rom 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 are added to the system.ajh657r:,d c jmzwr.zxf1 7+u mtqcq 3 How much work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, 2sj dt/ sw2n8sin the process of going from a to b 60 J of heat are added, and in the process of going from b to d8s/t sjwn2d2s 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 isu7l .1i -gz qei01(cnbx(hhti othermally compressed:

  97.15: Which of the following is swb: qn x 6 d1-:wyx-6zaoj)jyalways true for an isothermal process of an ideal gas?jz -y6a)wo:6xjws:ynd-xbq 1

  13.31: A monatomic ideal gas undezlewq wk(:ta+ 19a whv3p s7d8rgoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associated wit: w7l ewd9w +phqa38 (astz1vkh the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isij7tx5evz5 dw(-otl )ochoric cooling. Which of the following statements must be truewo- ti() 5txj zlv75de after the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an+ f7d( dte: kzxm.q3my isobaric expansion. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of thektm73:edx. yfdm(z+q following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an iso,7 29 zs.uq u9pblcqgqbaric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this p sluupqbz.g 9, 97cq2qrocess?

  07.40: Which is not true of an isochoric process on0bwz xov u (.r+fefdn4z2e*w 9 an enclosed ideal gas in whi.+9zr (2 0*nwuf4ef zbdexw ovch the pressure decreases?

  15.47 One mole of a diatomir1v b 1wd4l0uyc 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 olby1 rw 14v0udn the gas sample by the surroundings?

  03.48: Two completely identio/g5.m a+gcl xcal samples 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 containers A and B, which is at the higher temxm+/.aogg c 5lperature?
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 performs)q e om,k)7yu(0zr 1ktagro:ed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant volumsr 0qo( )auk)z1 y g,t:k7eomre). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state w5 jye44curj g +(ae1aof P, V, and T for an ideal gas, which one of the following reversible pruej1cr a4jg5y4+ (a ewocesses has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, while containetf rr 7./i7mgir 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 f / t7r7.igirmthe higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and temper 0 o*- cgc(j /qj3pslrehm3m4oature T . Which of the fs03cghp*( l oeco34q-rj/mmj ollowing processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatom;gp, 9gv 2+n okrir3uotu7k-fic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat +unkt;gvk oi r fgo-up27r93,associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling