15.25: A gas undergoes the unusual process M :j929l/ j/ 2zg v1nov;nn sg aqvr1pyb$\to$ 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 streamvk)acwxpa6 1yh+y3kaod 3k/. of gas feels cool. This is because a)3.k1 xhdkavca /y+3kpw6oy

  94.35: A gas can be taken from state a to c by two 3zbd7if,7xaedifferent 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 adde37, dxb7e zifad 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 , xvhwzlzd4x.u9ql/6( xpzd. process of going from a to b 60 J of heat are adde(xl9hx/pdul.q zz4 x6vd z.,w d, 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 heat added?

  96.22: When an ideal gas is isothfl5u(h,r c k4b-j rjb*ermally compressed:

  97.15: Which of the following is always true for ax-;yigpusu4k:8 w u(on isothermal process of an idea iw- gu4yuo 8upx;(s:kl gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermal expansion e f4eoyoa;eri33 ml1i ;1 p-ioin an enclosed container. Which one of the following quanie4al1o; eri;e1fm io3p yo3-tities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by ao9z3qt o3v nw5n isochoric coolint93 qonwv 5z3og. Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a,yd( l t:d-(xlu: rpz4 x,i2onz9juli .kzm d- monatomic ideal gas undergoes an isobaric expansion. In the p i:illt,ur.dkj,u9 (4 dn- lzx:omz(2pd z-xyrocess, 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 the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the proce:dyq+6d;ol x tss, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange xy;+dq to6: dlduring this process?

  07.40: Which is not true of an isochoric procw 14 3t+cy-mrw g1ammsess on an enclosed ideal gas in which the pressure decreayr - 1+mamw3t14s cgwmses?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatic db023qkzqj 8ff (je)pprocess. The pressure and volume initially are given as P = 2.0 atm and V = 38 fqdkf0ejz)jpq32b( 0 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 88dao 8 t8k7t/fg zl/ fipkfh.equal volume containers with the same pressure and/fgf/i a8t. 8fkhdz8kto l 78p 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?
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 procw3szq r5xh0 r9/e2id 9ixl*yqesses performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (const9iqx9/lrd*2he 5z3sir wyq x0ant 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 one of tpt;d2ich 7mmr :gxy )9he following reversible processes has the most heat assod; 792m):cptgyhxrmi ciated with it?

  04.45: Container A has a sample of monatomic ideal gas, wzb0 c0y-op ll65va +k6w ir,wzhile 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 prk6z yvl izbwp6w00a5- lo,rc +ocess that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gapsxx fgw8c :( qb6wj0:s has pressure P , volume V , and temperature T .:6 j q(sfp:bwc80 xwxg Which of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to5ialt+6 jmus* undergo reversible processes. Which one of the following choices is a si 6a5t*um+lj correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling