15.25: A gas undergoes the ribe+y1 .hn* mxtz0x4unusual 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 pressurizedgls8.eo3i 2sf cylinder, the stream of gas feels cool. This is bec 3.so fsile28gause

  94.35: A gas can be taken from state a to c by two differ2y gka(p ;,l9vop d9jdent 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. How much work is done by th9pajl( o;, dp2kgv9y de system during a→b→c?

  06.26: In the Pressure versus Volume g,s5xq s6dfp k6raph shown, 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 goi6dk,5xqf6ss png a to c to d, what is the total heat added?

  96.22: When an ideal gas is isothermally /9 fz0jzv vgpmf*n x4d-tc8 /ycompressed:

  97.15: Which of the following is axqi 36mr ro) mjn)-bo g6md y8 a(6deohfjs2(8lways true for an isothermal process of an ideal g n8o2) jrdimhb jqa-ox6fr( y3moe6md (sg 6)8as?

  13.31: A monatomic ideal gas undergoes a reversible isothee9cseavoj*q wy1 7a/6 iknp:(rmal expansion in an enclosed container. Which one of the following quantitie a* e/v1okyqi cwsa6p97: jne(s associated with the gas has a value of zero?

  09.33: An ideal gas und7 *y0c fz bfuc570jctmergoes an isobaric expansion followed by an isochoric cooling.cfmtbf0zj5c *u0y7c 7 Which of the following statements must be true after the completion of these processes?

  11.44: One mole of a monatomic ideal gas unly ))q- 61mt .cwk ns8rg.. )jlymqumndergoes an isobaric expansion. In the proces1mjyln)syrcmu wq mn8g .l)q- k)6t ..s, 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 ul(8su,tamv y,0fa 3 jakt9xq 6ndergoes an isobaric process. During the process, the gas performs 80 joules of work on the sura ,v q(98yt ak6sxltj3m,uaf0roundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process t-a06t6r,bzy)ss m8vp ry 6pz on an enclosed ideal gas in which the pressure decrea,6 8)stszp-6r 60r yvyazm btpses?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabati2bhd mi4r ru0l0h6d:zc process. The pressure and dbrrliz d0u:hh4 m 602volume 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 by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equ swnj2ryci5a :od,;05rydf5 i al 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 highe 5w5c2yr 5f0njod; iaryi, ds:r 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 diy,g:sgczgt 2inr3:3mlrs o;8 + 6 vlmvfferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process Dgv o my: ;mg3zr6vt,lin l28+3srg s:c 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 ideal6jw6x/ w3e0kuew il +j05hhht gas, which one of the following reversible processes has the mostk th0i/w65j+j3eexh l0 6w huw heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, wh n (w-fgb8mk1cile 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 ga81(kgw n cf-mbs is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and temperatu8hm xt uhd. 14aanqb),re T a aht)md8,hxu b q4.1n. 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 bui,ik :d;u 6oy0udm1/il ed( gas are to undergo reversible /1eyid; uu 6:ddio0bm(l ,k uiprocesses. Which one of 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