15.25: A gas undergoes the unusxy i3d6ovf1zcng)* i8n neg )* 4)pgkyual 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 feei,.9a19qkonerehrft8 vzf - : ls coozenero ,fv9fkth.a:19i 8-r ql. This is because

  94.35: A gas can be taken from state a to c by two different reverjjllfd69 .7 bv3plul6c5is:msible processes, a→c or a→b→c. During the direct process a→c, 20.0 J of work are lp3jv m5j6cblui:s9 l.fd76ldone 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, in the process 4c hkt7phciv y*:c7:z of going from a to b 60p4 h*zicch: v7tyck 7: 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 total heat added?

  96.22: When an ideal 4ab 8.ejrmbb8 gas is isothermally compressed:

  97.15: Which of the following is always true for an isothermal process of an i s+f gtvtfl4c7s,.g:k deal gast:vlfs,g7s g+kt4c f.?

  13.31: A monatomic ideal gas undergoes a reversible isothermal bwyqc +zl u*2*e.(o tp6ixvvl*9jc +v expansion in an enclosed container. Which one of the following quantities associated with the gas has a value of cot9p uvzw*+6 qlx+bl v.*j*c(i v2e yzero?

  09.33: An ideal gas undergoes an is+ jkkpagma6i13w fl (9obaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completion of these processes?+6(akmg jw kf9a 1ip3l

  11.44: One mole of a monatomic idef -i+(ojl,o 5fkkk6-ajzb 8qg al 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 best represents the amount of work done by the gas on thqo,-j fka+6fl(-jo g58ibzk ke surroundings?

  14.46: A monatomic, ideal gas undergoes an *biln a 4vth8u+rh9l8isobaric process. During the process, the gas perform*b 9vnu8r 8ih4lhlt+ as 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed-umfm/v;uq+ *:saz 1oizjv .k ideal gas in which the pressure decreas;um */vmjqaok:i1-. vzzus+f es?

  15.47 One mole of a diatomic ideal gas undergoes a eic x53px:ox+ 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 on 3x5+cx:pxieo the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal bx *crj9b-z:h0- jkorgas 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 9: kjzorrjx*-b0bhc- 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 reversxxxm4q(hgbq2/;:qs c.ye9 pj ible processes performed 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 volume). For which process(es) does the ts9 gmpcjq x.x yh;(b24:xe q/qemperature of the gas decrease?

  16.48: From a given state vivy7+p9; 4ynweu5 zz3:obsiof P, V, and T for an ideal gas, which one of the following reversible processes has the most heat associated with bw7siv4nv 5ez;+3zy y9 i: oupit?

  04.45: Container A has a sample of monatomic ideal gas, while conja60l)*kufdl tainer 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 glkj6 0adulf)*as is now at the higher temperature?

  08.44: A mole of a monatorx-x5:gmle5n6g t6va mic ideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the gr5r6a:m-6 l5 gxentvxgeatest amount of energy added to the gas from heat?

  13.48: Two identical samples ofv +btqxv)6 q 7rv7cd1y a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with the 1+7cvytqvd v q)bxr67processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling