15.25: A gas undergoes the unusuzws+lqu(y,n 4w: x-qz al 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 x f3kj7v uw7f2cool. This is becw27kj3uxf f v7ause

  94.35: A gas can be taken from state a to c by two k gg 2sjhrj(rwgd1pjmfg h 2b-lk,l1/x/3a5( different reversible processes, a→cf (m g32jkwrb2/1rh/ s(15lg gxklhja dg-j ,p 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 the system during a→b→c?

  06.26: In the Pressure versus Volume graph shown, in the prossk 3n hmf07hei) okm- -/:n-+jw0 ;wqtxae iwcess 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 going a to c to d, what is the total heatax- -w;0swijneeoi7fs w3 0)kh mht:qk/m-+n added?

  96.22: When an ideal gas is isothermally compressez94e,k7z yqap1 u3 sjhd:

  97.15: Which of the following is always true for an isothermal prock-j3lk7 06tx;h nm59ccmr p fjess of an ideal gas75h09r3c cmkkfxjnmj6 -tp;l ?

  13.31: A monatomic ideal gas undergoes a reversible isothermaii9n5:mivjvu ququ )6* xj*7cl expansion in an enclosed container. Which one of the following quantities associated with cxj uq79jvu5nm*)i: * 6iq uivthe gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion f n3b1gb9:n/ g mfkmlhz)fl+k) 3fn+ecollowed by an isochoric cooling. Which of the following statements must be true after the completion of these processes+ zhe3b :fllgn/9kmcf1bf 3 )nn)+mgk?

  11.44: One mole of a monatomic ideal gas undergoes an isruj0 . o:3wcpuobaric expansion. In the process, the temperature of the gas increases from 300 u :w.30pucrjoK 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 gsh.vnkg0 v2(/6 m4oguhmh *rsas undergoes an isobaric 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 tn6uh * 4rs.vom hv/h0m gkg2s(his process?

  07.40: Which is not true of an isochoric prb.-,dy ammm;uocess on an enclosed ideal gas in which the pressure decrea uy,a -;md.mbmses?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabatipg uqvuc2oet:,98i v: ym :)pqc process. The pressure and volume initially are given as P2q gm y pu 8v9peit:,cv:qu)o: = 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 id5 3b0j*uhhlnk;yi)o 2w yoq5aeal gas are in equal volume containers with the y3 *k oj5)lu;aiq nwh02b5hoy 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 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 fos2oyy7+;j h ,n /vkaiwur different 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 D is isochoric (constant volume). For which process(es) does the temoyiy, s7wv/kj;+h2 a nperature of the gas decrease?

  16.48: From a given state of P, V, and T for an iy g(g;hf49muca2 +s5m0vc jetdeal gas, which one of the following reversible processe e2yv9mj;4f( mg+5 guathc0cs s has the most heat associated with it?

  04.45: Container A h(4 yq+jsi25knm z-y coh0zv(pas a sample of monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure,z(oz0+k 2c5y in mqvj-p4y sh( 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 temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , voluq b v:3gorw8bxay. v.1me V , and temperature T . Which of the following proce:8ogyxv.1ba 3wqbrv . sses would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas1*igk43okl 8ye8ru xoknbt* ac+lkdi)3 k(5 g are to undergo reversible processes. Which one of the foll3(8uk)k k* r*k4gx5+ k8 3b n 1tgldiaoiocelyowing choices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling