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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 unusual proc 2k1zv3tv xh d6bfmlf;, -y4aness 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)x,5fpz:+xq ids c7ag of gas feels cool.q 5id :7fz+sc) gpxxa, This is because

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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 state a to c bamalvp(oa8xuo:-iy*, +qt -0 9 rrkqsy 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 work isrqpt (- , r 8mly-* +vak:iosaqux0a9o 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 grapsaor5,ppi/3 0wws e4b 4 gi1vkh 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 hgb4pi1s3aio wk0w pe, v4r/5seat added?



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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 ideal gas is isothermally comp dn,fd .1wggh9ressed:

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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 true for an iso,hd7+o xaac .lucp(;bmn8g 7) wv:farthermal process of an ideal;rbmwo ah7c.7axp)d:gvau f+c , (l8n gas?

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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 und n04az8kgtez p iszy2y)a3+4d9fkgr1 ergoes a reversible isothermal expansion in an enclosed container. Which one of the following quantities associat2f n ye ) z94p3kt 8i1gzz0sdaagy4+kred with the gas has a value of zero?

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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 isoba (ix mw 3s69w uo) kzsw,w6up4qdi9m7nric expansion followed by an isochoric cooling. Whicwiwwo 6 n6s73qw zu99i4),smdm(puxk h 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 underv7 hf w6n-k5qop 6ww;tgoes an isobaric 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 work5ot-q6wkw7hpf6w ; v n 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 process. During the proce .s ,l-qg/q3z m q00r/f w(i z.38jbmxuoqnryqss, the gas performs 80 joules of work on the surroundings. Which one of the fom/f0q8 gzx (/-qzs,.bwquom 3j0yr. ilqq n3rllowing 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 ant2*jsnxlm8dlji79.*n 9jcul isochoric process on an enclosed ideal gas in which j2jl9.lc**t 8ism7n nxjuld9 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 reversible.y4gnothr hw e ly23amkb 9:;4 adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved duri ;:ke4grby2 holy9hn.wt4m 3ang 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 of496jvtp yh+y*dn6 /e;yk-ukcjj c sl) the same ideal gas are in equal 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, whic/*j6jue yj p6s tdc)k -yhk;nv9l4 +cyh 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 f6))rbkn 4:mto:(,g dz dlajsdifferent possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant prermaszl, :o j)dt f(4kb6dn):gssure). Process B 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?



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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 statepoou93a / hf,z)fcqq v9q1oq: of P, V, and T for an ideal gas, which one of the following reversible processes has the mozquq/)9f1cqoqf oo v,3h: ap9st 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 has a sample of monatomic ideal gas, while container B has a ucg* n9(e8jjha bf .h 0g1i.rysample 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 rec*i 1un yr89eh hj0j .f.gba(gversible 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 monato, ai+j. ,:hzmt;u xx6 k.zsusvmic ideal gas has pressure P , volume V , and temperature T . Which of thek ss.i xm6,u; :t+,auzxvz j.h 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 reversibleoad sxu*)0th6 processes. Which one of the following choices is a correct statement about the heat assoc*xto d60s)ahu iated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling

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