15.25: A gas undergoes the unusual h9sqj7ymok9w v/i 6xw -fut-3 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 frsnq1htpv *cut9nb7 w7 s)b497vu. lxoom a pressurized cylinder, the stream of gas feels cool t7 497s*v snu1p .nx9ovtwu7b)lcbhq. This is because

  94.35: A gas can be taken from state a to c by two different reversible p1w+y.ch ib s gfc5.9gmrocesses, a→c or a→b→c. Durin+y9icwfs gh1cb.g5 .mg 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 process o4 bmmz1aix3m7,8j ifgf 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 are1zmjmmb8 i7fxa,3i4g 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 iop p.p w+aa8s/rv*3c compressed:

  97.15: Which of the following is always true for an iso) /dx1*xqcf xg7s h(rzthermal process of an idealqg* fxrx (c1)hzsd/7x gas?

  13.31: A monatomic iyf x2t1 t-gk* xseu3wato6/ a+deal gas undergoes a reversible isothermal expansion in an enclosed container.x+ tawt seaf x3t/k21*ogyu6- Which one of the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion foldp:tm-6zfp. blowed by an isochoric cooling. Which of the following statements-:m . zbtpf6dp must be true after the completion of these processes?

  11.44: One mole of a monatyei6 )m1hlupzo7 s7b-omic ideal gas undergoes an isobaric expansion. In the process, the temperature of the izu6sp) hem1l-77obygas 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 isobarir6 i(.n+9 z nywyoa*rwc process. During the process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the y.an*r69n+o(w wzryi heat exchange during this process?

  07.40: Which is not true of an isochais21hm z0f: 6mxafcc8 zuo. :oric process on an enclosed ideal gas in whicux :fz sc: 2hm.8c1 zoa0aim6fh the pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a reversible adiabaticg30 t;q)7 dwpy ktst3o r.twl7 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 )t 77.l 30wrps ;gtk3wyd oqttwas done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the same ideal gas are in equal volu nth+r xh4kzqzd8c- 4r;tjf42gzr+ 5fme containers with the same pressure and temperature in containers labeled A and B. After the processes are performed on the gases in contaif2g qtrnxt44h5hr zf;8kzjz d++cr 4 -ners 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 four different possible reversib 4,gjx*q6ulnble 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 isqgj n4*b6 xlu, 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 the folf 4oe 0i. .7w8ky:fdk7oogeydlowing reversible processes ho.y7dd7 kw. ef 0:ki4oefyog 8as the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, f)pn08llrdm* 0yrh8 n 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 processhl nrlr8y00mn8 p*)fd that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gasn-r7 w,16mvb4f )miekik1a cc has pressure P , volume V , and temperature T . mc 1n,abkr76ii)cw1m -e 4fvkWhich of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical sa tw)q;monz0 9amples of a monatomic ideal gas are to undergo reversible processes. no)0w9 z;aqmt 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