15.25: A gas undergoes the unusugbnm .z*6-u; mslgcq2al 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 coo+8 jcp:7h rypll. This is bec8p+7ylhjpr :c ause

  94.35: A gas can be taken from state a to c by two diff7;wplg.2ie y jj* rg)kerent 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 addejy)jk*.; g pe2rgwil 7d 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 of;:ov/ vvi9rwr gs7nmk..z d8 p going from a to b7ozr g:p vd/8v.rs.kvim; n 9w 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 isothermally compre d bxfkmf 9,2y3tr9w ied9k(j1ssed:

  97.15: Which of the f-v kye.)djfw ;ollowing is always true for an isothermal process of an ideal gadvwj ;ky )f.-es?

  13.31: A monatomic ideal gas undergoes a reversiblex+ z.*kp q e6tm)rre5jj5 2rjg isothermal expansion in an enclosed container. Which one of the +p55m )gkjjq*trrex.jr 62ze following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isochor(ax ipbuv )oqxc m(21.ic cooling. Which of the following statements must be true after the completion o)ocxm ai1vu (.b(qpx2f these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric exj w)hm ygy*1d)58cg cmpansion. 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 suryd1jm))hyg * 8g cwmc5roundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During t:j2cv/b.kzqg he process, the gas performs 80 joules of work on the surroundings. Which one of the f.qvgk/2bzjc : ollowing statements best describes the heat exchange during this process?

  07.40: Which is not true of an 3;dudv uumlr t4,l1q/isochoric process on an enclosed ideal gas in which the pressure decreasl3tmql ,4; uduudv1 /res?

  15.47 One mole of a diatomic ideal gas undergoes ap. 4jpqw0* +mrs +k5amf hq8fu reversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved durinr+f f*m4s w pmh0ua5 8+jqqk.pg 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 ga ;oj,m b7drp:ks are in equal volume containers with the same pressure and temperature in containers p mkrb,;jo7:dlabeled 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 four difm(p/lotd6qj m4fp22 skfgz 60 ferent 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 temperatur/mfdp4 ogm z6(jpqlft0 2k 6s2e of the gas decrease?

  16.48: From a given state of P, V, an4gu0zaibo-cu r: dto:d+w o5z2u9b0vd T for an ideal gas, which one of the following reversible processed: zwua o:0rivb-+ug c9obdo520uz4t s has the most heat associated with it?

  04.45: Container A has a sample of monatomic ideal gas, wh y0,vf vjy6lf y;,mz+wile container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number vv+; y 6f,jmlf,0yywz 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 , volume V , and temq5d k:az c8+rjazkm ( )q8c6vin jot98perature T . Whichat 8c5kq rkma( 6 9)ozv8n8jjqcd+z:i of the following processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas are to prdb4z:c8 /a9v+r ,ugs b:dzvundergo reversible processes. Wh,:d8vbp+ rvuz rsa4cbgz:/9dich 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