15.25: A gas undergoes the unusual process M mtp :vzuii1h9h2k r5 ($\to$ 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, l-x-u unxh;i 1ygs0b m (+s,w0w-znynthe stream of gas feels cool. This is yxuni;h+(- 1 zslsmyn0gxwn,b-w 0u- because

  94.35: A gas can be taken from state a to c by two diffeen,di2 ckjv/ *rent 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 the system during,ej/ 2 cknvdi* a→b→c?

  06.26: In the Pressure vet- n5eki1fd4 a7d-y uzrsus Volume graph shown, in the process of going from a t -e4izd-k 7yn5 afd1uto 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 heat added?

  96.22: When an ideal gas is q*s;j,.xl) x b (5ehylm0ll56 pk rcawisothermally compressed:

  97.15: Which of the followip4fvb+k,hs u,b w0 +gzng is always true for an isothermal process of an idea sbku,0 vb+w ,4hfpz+gl gas?

  13.31: A monatomic ideal gas undergoes a reversible isothermmk 45k1onc8d-ox .wvmal expansion in an enclosed container. Which one of the following quantit5kxd4 - n mwocvkmo.81ies associated with the gas has a value of zero?

  09.33: An ideal gas undergoewfjx/ qp x77 .lna9 w-dhqhfz3s0*- bcs an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the compledxa9c30xz n-/hfbq7w* wp -qhs7jlf.tion of these processes?

  11.44: One mole of a monatomic 3hkx z)*xce6 yideal gas undergoes an isobaric expansion. In the3*zexyx c6)hk 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 surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the0(/hlal 8 ldvj6uis 2 xo+ff3l process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange during this ji3of02a f+ x vlshlld/6u(l 8process?

  07.40: Which is not true of an isochoric process on an enclosed ideal gas5cm1s0iiy o2 ctwa/4i,hir. e in which theiii ,s miet/5 ra4c.ohy2c0w1 pressure decreases?

  15.47 One mole of a diatomic icdl0( 4.rmndfkf; fo-deal gas undergoes a reversible adiabatic process. The pressure and volume initially are dlon r.; mckfd0f-f4(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 equal vayh ;na:klr; fd.qj :c +5pq:tolume 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 temperatur;fd. ;hy: ar 5kq nc:t+:lqpaje?
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 5hlymheoyb78 ,/ xm ; g+:m0 msznuh;qdifferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). no,7ml0/;e um5msb+h8 ;gyqhmzxh :y 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 onmjlg4b- c7 bd+e of the following reversible pr- gjb7c4+ dmlbocesses has the most heat associated with it?

  04.45: Container A has a sample of monatomic idea,.smc0 1xc 2zp8x9buhxn r(cal gas, while container B has a sample of d,(xx 29b .p r cc01smhzncx8uaiatomic 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 temperature?

  08.44: A mole of a monatomic ideal gas has gls*2rso +i 8sy xtam r;h;0r2pressure P , volume V , and temperature T . Which of the following processes would resa2s rrir2;motys +lhs08 ;* xgult in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to undergo rev 4m;0thonc+qr ersible processes. Which one of the following choices is a correct statement about the heat associated with the qn 0mr4ot h+c;processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling