15.25: A gas undergoes the z1u;yx b ug9j0unusual 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 pressucgqr4;eyp j8y vhw28f4 t j9c3rized cylinder, the stream of gas feels cool. This is bejct p42h4 f3cyywq8g;8evr9 jcause

  94.35: A gas can be taken from state a to c by two different reversible proceig zle4 tw2x705so8fwsses, 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 the system during a→bilx84t s 52fwozg 70ew→c?

  06.26: In the Pressure versus Volume grapex+g y 6 :6pgi7x3 rg3v9t8vcg kygxw6h shown, in the process of going from a to b 60 J of gvy3xr 76+ytxkg9g p:v36g6i egcwx8 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 gas is isothermally compressx8c9-li5. lf,(xx ajjhood5 ked:

  97.15: Which of the followibttk.-x y1o6wng is always true for an isothermal process of an ideal 6t . wk-byt1xogas?

  13.31: A monatomic ideal gas undergoes a rev) 14fu mn,hwlversible isothermal expansion in an enclosedf)uv1w4 hln ,m container. Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric ex,cyesp*lm+(u j k m+.epansion followed by an isochoric cooling. Which of the following statements must be true af pjeu +.m (y*m,kec+slter the completion of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobariu 3a( xcue,t)sz(dx y01p q( 9vf4njorc 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 the sprz3 scajd eyox (u( (t4fx,)vqn9u01urroundings?

  14.46: A monatomic, ideal gas undergoes an isobawoa2 20u.igwyvr0:w q ric process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements b wi :0a02qorwu.yv2wgest describes the heat exchange during this process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas in whi-z5i1( omi4)b*5 jkz itceeq lch the pressure decreasem)1bj lcok ie4z5zi*5-te iq(s?

  15.47 One mole of a diatomic ideal gas undergoes a revershb wksa bp3o53945hl pible 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,h klp pa4w bh53o95bs3 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 equal r gshqqj; ch (qpd)0lm;2dlduzz0//: 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 temperature?pguq; /hzl/lm;d rs 0:hd)z0(2cjdqq
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 differe2 1wis 6t0sztdcth j7-nt possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process -7hc6d jstzi 1t2wt0 sB is isothermal (constant 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 thei( j6okq0b2vz following reversible processes has the most heat associated with it?0o k6(2ib qzvj

  04.45: Container A ha5::s 8eny zo88ztcoaic:8ann s 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, 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: n 888y:acs85oi zz ano:ntec temperature?

  08.44: A mole of a monatomic ideal gawql: c0u;:o)a dc9e ;3thjpgfs has pressure P , volume V , and temperature T . Which of the following processes would result in the o qgh :09;:fcwaj3;d e)tcpulgreatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a d;fh8a:syo)uw4/k wr.er r2c monatomic ideal gas are to undergo reversible proces)2.;kec wrd/w yr rhs4a8f uo:ses. 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