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习题练习:1 st law of Thermal Dynamics



 作者: admin发布日期: 2024-08-04 20:40   总分: 18分  得分: _____________

答题人: 匿名未登录  开始时间: 24年08月04日 20:40  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.25: A gas undergoes the unubl 9drj*mo a/xi/s ql6f8/s ;rsual 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?



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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.28: When gas escapes from a pressurized cylinder, the stream 3b *t0iav)zx tof gas feels cool. This is bexat i3zvbt*)0 cause

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.35: A gas can be taken from qqfl cq8h z8 bn7q)1m;state a to c by two different 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 wor qb mqq81fnz7qc) h;8lk is done by the system during a→b→c?



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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.26: In the Pressure versus Volume grapll8 nawo;vf /,h shown, in the process 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 heat addedf 8n/v,llw;ao ?



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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.22: When an idealuh0owzg7 v--.ob i17cl 3it:qpam1l x gas is isothermally compressed:

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.15: Which of the following is always,o7dqejn 37y09vw ibrfv /sg3 true for an isothermal process of an ideal gasv3jbs9 v3y n7or0gf eqw7,i/ d?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.31: A monatomic ideal gas undergoes a reversible isothermal expans1nv 6qoacg* 5sion in an enclosed container. Which one of the following quantities associated with the gas has a value of zc*o6 1ng svq5aero?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.33: An ideal gas undergoes an isobarpf*)ilt zmo /( 9uw5dcic expansion followed by an isochoric cooling. Whicpou/ dz( lfm5tw9*)ich of the following statements must be true after the completion of these processes?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.44: One mole of a monatomic ideal gas undergoes an8bfqb )( /khwm isobaric expansion. In the process(hkbmw) fb8q/, 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?

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.46: A monatomic, ideal gas undergoes an isobaric prom4d w- q)sq:esm:u nf+cess. During the process, the gas performs 80 joules of work on the surroundings. Which one :n4+:sde- q)um wqfs mof the following statements best describes the heat exchange during this process?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.40: Which is not true of an isochoric process on an enclosed ideal gas im /y;ngmm 9qwzd i:n*)n which*nm:zg)9 ndi q wmy/m; the pressure decreases?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.47 One mole of a diatomic ideal gas undergoes a reversiq 0fa-x nrgn3f a3h50cbbd;o- ble adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is haab3b-03of-rx d0 fhg nq5 n;calved during the adiabatic process, how much work was done on the gas sample by the surroundings?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.48: Two completely identical samples of the same ideal gas are in equal volumk/xtrv rb9fqwug+g; uub-; 0. e containers with the same pressure and temperature in containers labeled A and B. 0 x u;w v9b gkqurg;ub-/tfr+.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.

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.38: The PV diagram shows four differen*/s( v t :frk*yz3zdgvt 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. Procsf ry*v:*k(t3 z g/zvdess D is isochoric (constant volume). For which process(es) does the temperature of the gas decrease?



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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.48: From a given state of P, V, and T f 4pk 1j yr4u-r.hsxala6as5 )+qylf eed/,f,bor an ideal gas, which one of the following rel by r px1fdqs+ky4.l/aafj)ue,6se ar 5-h,4versible processes has the most heat associated with it?

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.45: Container A hat iwotq39x5vr*ox0 z.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 v5oz .tw9 oix*3rx0tq undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and tee /wmofg7c 7h v3r1yb;mperature T . Which oo71f hgyr 3eb7 mvc;/wf the following processes would result in the greatest amount of energy added to the gas from heat?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.48: Two identical samples of a monatomic ideal gas are to undergo c t;1jucg6a1qreversible processes. Which one of the following jc16;1qta u gcchoices is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling

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