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习题练习：Physics Unit13: Temperature and Kinetic Theory
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 作者: admin    总分: 86分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月07日 11:04  切换到: 整卷模式

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1#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the zeroth law of thercsez+7ush// c0 .j eapmodynamics.
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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A bimetallic strip, consisting of metal Gcpe xyhbkbk/(p2 d(6z +s:p0o on the top and metal H on the bottom, is rigidly2k: pbc/ y(0do z e+bhpps(xk6 attached to a wall at the left. (See Fig. 13-1.) The coefficient of linear thermal expansion for metal G is greater than that of metal H. If the strip is uniformly heated, it will


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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When the engine of your car heats up, the spark plug gap will0 ek3k uqz5g n6(ky0texb 8i.d

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a flat steel plate with a holj j+l- )lgt+ome through its center as shown in Fig. 13-2. Wh-mo +gj t)l+jlen the plate's temperature is increased, the hole will


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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The coefficient of linear expansion for aluminum isz 8+2o,tgg aya $1.8 \times 10^{-6} \; ^{\circ}C^{-1}$. What is its coefficient of volume expansion?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The surface water temperat9pssvbr9c c bt243 f)hure on a large, deep lake is $3 \; ^{\circ}C$. A sensitive temperature probe is lowered several meters into the lake. What temperature will the probe record?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which temperature scale never gives negatieu b155bqdyg. ve temperatures?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which two temperature changes a iw,lxuu:f8( dyew/4.f (g plnre equivalent?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The temperature in your classroom is approximateuk g/km+2t0j+z7vz/ .t roeqely

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10#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Boyle's law.
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11#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Charles's law. y+w)1ja4o+kii+pxpq f hei7:wi.ck1
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12#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Gay-Lassac's lawi3 x/ie.*g wd*92a6duv ocw cxln6h) qw2j3jg.
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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A container of an ideal gas at 1 :86 d1;dyhdgq ) pi4dfgzzfo4atm is compressed to one-third its volume, with the temperature held constant. What is it4z 8hfg64:dp;d )ygqi fzd1d os final pressure?

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the pressure acting on an ideal gas at ffa )mhq-u(:t constant temperature is tripled, its volum :fmu)(hqtf-a e is

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  According to the ideal gas Law, PV = constant for a given temperatu kgw6j4sgxr; 0u 4lh8ure. As a result, an increase in volume k448ug 0j;xh6wl sgur corresponds to a decrease in pressure. This happens because the molecules

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of molecules in one mole of akr-v+zxtx,3+1p.1wgc8 +zhramfj t j substance

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A container holds N molecules of an ideal gas at a given temperature. If ty0 k1npam- uuq45w:jy he number of molecules in the container is increased to 2N with no change in temperature j5:unwpy-01 4yakqmu or volume, the pressure in the container

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Both the pressure and volume of a given sampfub99.uug 3zysg ( *tjqq.,sple of an ideal gas double. This means that its tempera ,9p .ujsg.su3(y* b9fqgtuzqture in Kelvin must

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The temperature of an idn fsnm2,ba 1a cn*j3::r2 g es0a+keibeal gas increases from $2 \; ^{\circ}C$ to $4 \; ^{\circ}C$ while remaining at constant pressure. What happens to the volume of the gas?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mole of diatomic oxygen molecules and a mole of diatomic nitrogen mol;.mbq9ai prz(mz k0)zw(cal9h ui1vtn8n 6r( ecules at STP hq zk 9z6cl(u vn1tmn;.irw)ah0mi89z( rbap( ave

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider two equal volumes of gas at a given temperature and presmly t5h 7 xwwb uw)q ti0bno+3vl,l2(9sure. One gas, oxygen, has a molecular mass of 32. The other gas, nitrogen, has a molecular mass of 28. What is the ratio of the number of oxyg 5lxtv ohyb 70wl9+ ,lqw)t2 mwn3ui(ben molecules to the number of nitrogen molecules?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The average molecular kin:-q ymmmbm+z (etic energy of a gas can be determined by knowing only

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sample of an ideal gas is slowly compressed to one-hue7j8j .e: rizalf its original volume with no change in temperature. What happens to the average speed of the mr8 jee7 jz.iu:olecules in the sample?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sample of an ideal gas is heated and its Kelvin temperature doubles. Whbp2jvhp6,4vqm (. eof at happens to te.om4 jp q2h6fb,vp v(he average speed of the molecules in the sample?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The absolute temperature of an ideal gas is directly pruude f1 84ejh4oportional to which of the u j8fede4h41u following?

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In order to double the average speed of the molecules in a given sample of gasqg xq0bdp*9u k.r0cx5 , the temperature (measured in Kelvin)x 0x9q*qbp5rk0gdc. u must

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Oxygen molecules are 16 times more massive than hydc c/8tuu az69d+oicz/ rogen molecules. At a given temperature, the averou/9c tdi 6u/czcza 8+age molecular kinetic energy of oxygen, compared to hydrogen

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Oxygen molecules are 16 times more ma .j b-*if/ nj/jku3o(rty sjw0ssive than hydrogen molecules. At a given temperature, how do their average mn/sj*. / b3ju0 tikowj(ryjf -olecular speeds compare? The oxygen molecules are moving

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A fixed container holds oxygen and helium gases at the same temperature. r/92q d 3.expm,7t3sx 2n dzgmg.mgse Which one of the following statemen2mqgxgxspt.m d men.g,z3s2dr37/e9 ts is correct?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A container is filled with a mixture of helium y.x waza /,/7kcyk*scand oxygen gases. A thermometer in the container indicates that the temperature is k/7w .sazxycck,a*y / $22 \; ^{\circ}C$. Which gas molecules have the greater average kinetic energy?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A container is filled with a mixturxbk) vw3 f3zf1tg ;wi;e of helium and oxygen gases. A thermometer in the container indicates that the temper 3vtxgw3f1f; )iz kw;bature is $22 \; ^{\circ}C$. Which gas molecules have the greater average speed?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The three phases of matter h4fwn+ g9 ve8ncan exist together in equilibrium at the

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Supersaturation occurs in air when-yw uk c1fg3a aq/ -i.jeo6y2l the

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Express your body temperature b )3ucz*u ;aavl2aao2($98.6 \; ^{\circ}F$) in Celsius degrees.

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Express $68 \; ^{\circ}F$ in $^{\circ}C$.

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Express $-40 \; ^{\circ}C$ in $^{\circ}F$.

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The temperature changes fromgdi(1yox4fsy ye3- ms ny;82j 35eF during the night to $75 \; ^{\circ}F$ during the day. What is the temperature change on the Celsius scale?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A temperature changeqv )6s enp:e7h of $20 \; ^{\circ}C$ corresponds to a temperature change of

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At what temperature are the numerical readings on the Fahre ,wgqq; n;:uftnheit and Celsius scales ,n:w qt g;fu;qthe same?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A steel bridge is 1000 fs 0ws3(. ee*kyu6io2kjm1pfm long at $-20 \; ^{\circ}C$ in winter. What is the change in length when the temperature rises to $40 \; ^{\circ}C$ in summer? (The average coefficient of linear expansion of steel is $11 \times 10^{-6} \; ^{\circ}C^{-1}$)

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An aluminum rod 17.4 cm xf(8f.2eueb7wxj8 re y,o *rp long at $20 \; ^{\circ}C$ is heated to $100 \; ^{\circ}C$. What is its new length? Aluminum has a linear expansion coefficient of $25 \times 10^{-6} \; ^{\circ}C^{-1}$.

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  By how much will a slab of concrete 0mgdk-/ l:p2y ps,hzy18 m long contract when the temperature dropsh/yk0p: d 2gpz,y m-ls from $24 \; ^{\circ}C$ to -$16 \; ^{\circ}C$? (The coefficient of linear thermal expansion for concrete is $10^{-5} \; ^{\circ}C^{-1}$)

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A bolt hole in a brass plate has a diameter of 1.200 cm aq(- mb )ehc8(yx4vvj zt $20 \; ^{\circ}C$. What is the diameter of the hole when the plate is heated to $220 \; ^{\circ}C$? (The coefficient of linear thermal expansion for brass is $19 \times 10^{-6} \; ^{\circ}C^{-1}$)

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  20.00 cm of space is availablb m-jb kej:pd)v5pdj;- z( if.e. How long a piece of brass at $20 \; ^{\circ}C$ can be put there and still fit at $200 ^{\circ}C$? Brass has a linear expansion coefficient of $19 \times 10^{-6} \; ^{\circ}C^{-1}$.

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 5.0-cm diameter steel shaft has 0.10 mm clearanc 9bhyy5*me tx q/)8q eyqnvh-:e all around its bushing at $20 \; ^{\circ}C$. If the bushing temperature remains constant, at what temperature will the shaft begin to bind? Steel has a linear expansion coefficient of $12 \times 10^{-6} \; ^{\circ}C^{-1}$.

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  $400 \; cm^{3}$ of mercury at $0 \; ^{\circ}C$ will expand to what volume at $50 \; ^{\circ}C$? Mercury has a volume expansion coefficient of $180 \times 10^{-6} \; ^{\circ}C^{-1}$.

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  1 L of water at $20 \; ^{\circ}C$ will occupy what volume at $80 \; ^{\circ}C$? Water has a volume expansion coefficient of $210 \times 10^{-6} \; ^{\circ}C^{-1}$.

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The volume coefficient of thet8cilzin2at8 vq 9 0,krmal expansion for gasoline is $950 \times 10^{-6} \; ^{\circ}C^{-1}$. By how much does the volume of 1.0 L of gasoline change when the temperature rises from $20 \; ^{\circ}C$ to $40 \; ^{\circ}C$?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 500-mL glass beaker of water is filled to the rim z*.*v 96j bsa-sfj3ng:qakkh at a temperature of $0 \; ^{\circ}C$. How much water will overflow if the water is heated to a temperature of $95 \; ^{\circ}C$? (Ignore the expansion of the glass and the coefficient of volume expansion of water is $2.1 \times 10^{-4} \; ^{\circ}C^{-1}$.)

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  For mercury to expand froqtaj w;zg,( 1qm $4.0 \; cm^{3}$ to $4.1 \; cm^{3}$, what change in temperature is necessary? Mercury has a volume expansion coefficient of $180 \times 10^{-6} \; ^{\circ}C^{-1}$.

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mercury thermometer hasnpbj-qvx.9vt r / ,d)w a bulb of volume 0.100 $cm^{3}$ at $10 ^{\circ}C$. The capillary tube above the bulb has a cross-sectional area of 0.012 $mm^{2}$. The volume thermal expansion coefficient of mercury is $1.8 \times 10^{-4} \; ^{\circ}C^{-1}$. How much will the mercury rise when the temperature rises by $30 \; ^{\circ}C$?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Convert $14 \; ^{\circ}C$ to $^{\circ}K$.

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53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Convert $14 \; ^{\circ}F$ to $^{\circ}K$.

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54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Convert $14 \; ^{\circ}K$ to $^{\circ}C$.

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55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Convert $14 \; ^{\circ}K$ to $^{\circ}F$.

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56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Oxygen condenses into a liquid at approximately 90 K. What temperature, ih )opf5 /bzfgr uq/50jn degrees Fahrenheit, does this correspzo5 q)/h/fgp b jfru05ond to?

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57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas occupies 300 L at eyswq5 );q)ulan absolute pressure of 400 kPa. Find the absolute pressure iulsw5eq)q; y )f the volume changes to 850 L and the temperature remains constant.

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58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two liters of a perfect gas are at go gah85h/m .zm3rq/ i$0 \; ^{\circ}C$ and 1 atm. If the gas is nitrogen, $N_2$, determine the number of moles.

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59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two liters of a perfect gas i t5/lw/d2y p0 s*vq q2.exigoare at $0 \; ^{\circ}C$ and 1 atm. If the gas is nitrogen, $N_2$, determine the number of molecules.

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60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two liters of a perfect gas ar :/mplwsl nao 37k8,sue at $0 \; ^{\circ}C$ and 1 atm. If the gas is nitrogen, $N_2$, determine the mass of the gas.

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61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many water molecules are there in 36 g of water?638irvrazp1c/2 oe w e Express your answer as a multiple of Avogadro's number 6w83acivoe2 1zerp / rNA. (The molecular structure of a water molecule is $H_2 O$.)

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62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many mol are there in 2.00 kg of copper? (The atomic weight of copper istf hpzzeb*(z0/,m b.e 63.5 and its e*. zz0mfbe/,(p zhbtspecific gravity is 8.90)

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63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sample of a diatomic ideal gas occupies 33.6 L under sd*4xr h8 ia9astandard conditions. How many mol ofa*4h xr8a9is d gas are in the sample?

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64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas has a pressure of 2.5 at;qqjyo,xu g .(m, a volume of 1.0 L at a temperature of $30 \; ^{\circ}C$. How many molecules are there in the gas?

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65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas in a containern.k/ad;6ji p-xzz/i o of volume $100 cm^{3}$ at $20 \; ^{\circ}C$ has a pressure of $100 \; N/m^2$. Determine the number of gas molecules in the container.

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66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sample of helium (He) occupies 44.8 L at STP. Whw8q e)zm ei6*wat is the mass of the sample?6qe8mwe* i) zw

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67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 25-L container holds hydrogen gas at a gauge pressure of 0.25 a q +xw4u 3gsx ;vibm.tvp;c/ipi- .mt1tm and a temperature ofmxipibimcq v/;stp.vt u.g1 w3 - ;+x4 $0 \; ^{\circ}C$. What mass of hydrogen is in this container?

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68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A $100-cm^{3}$ container has 4 g of ideal gas in it at 250 kPa. If the volume is changed to $50 \; cm^{3}$ and the temperature remains constant, what is its new density?

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69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas occupies/ieasu 8oi gsze+w;9; $600 \; cm^{3}$ at $20 \; ^{\circ}C$. At what temperature will it occupy $1200 \; cm^{3}$ if the pressure remains constant?

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70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A constant pressure gas thermometer is initially ur 74zgui2, q2gk;/jmj0 kx lot ,hur7at $28 \; ^{\circ}C$. If the volume of gas increases by 10%, what is the final Celsius temperature?

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71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas occupiesl, o5dwh8fyu 3 4.0 L at $20 \; ^{\circ}C$. What volume will it occupy at $40 \; ^{\circ}C$ if the pressure remains constant?

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72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A balloon has a volume et pz- c blbsm55 86ud9oik84mof $1.0 \; m^{3}$. As it rises in the Earth's atmosphere, its volume expands. What will be its new volume if its original temperature and pressure are $20 \; ^{\circ}C$ and 1.0 atm, and its final temperature and pressure are -$40 ^{\circ}C$ and 0.10 atm?

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73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A given sample of carbon dgas:/eoln8h8 l 3s)f bioxide ($CO_2$) contains $3.01 \times 10^{23} \; molecules$ at STP. What volume does this sample occupy?

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74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  $500 \; cm^{3}$ of ideal gas at $40 \; ^{\circ}C$ and 200 kPa (absolute) is compressed to $250 \; cm^{3}$ and cooled to $20 \; ^{\circ}C$

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75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  $1500 \; cm^{3}$ of ideal gas at STP is cooled to -$20 \; ^{\circ}C$ and put into a $1000 \; cm^{3}$ container. What is the final gauge pressure?

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76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas has a dh zkhj5yg1e9:y5 ;mhimh 7u: qensity of $1.75 \; kg/m^{3}$ at a gauge pressure of 160 kPa. What must be the gauge pressure if a density of $1.0 \; kg/m^{3}$ is desired at the same temperature?

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77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An ideal gas has a volume of l36jxrw6o la3/znf(b $0.20 \; m^{3}$, a temperature of $30 \; ^{\circ}C$, and a pressure of 1.0 atm. It is heated to $60 \; ^{\circ}C$ and compressed to a volume of $0.15 \; m^{3}$. What is the new pressure?

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78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A mixture of gases contains 15 g288r v b :2xbjskzb3pb of $H_2$, 14 g of $N_2$, and 44 g of $CO_2$. The mixture is in a 40 L sealed container which is at $20 \; ^{\circ}C$. What is the pressure in the container?

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79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the average separation between air moleculesw v-.mtae lr 4zm.d+y7 mv) ;bjqtn;u; at STP?

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80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At what temperature is the average kinetic ;qz f3j96*g:sjv.ma gq *chtsenergy of an atom in helium gas equal to ;9z.mhs6:jq tfjg cg3*s qa* v$6.21 \times
10^{-21} \; J$?

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81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  At what temperature would the rms spf1 z+b p6h8fy0 jvf6h5za 5glz7. rszpeed of $H_2$ molecules equal 11,200 m/s (the Earth's escape speed)?

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82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A cylinder contains 167)m7d;yvlpvsavl/yjg) y :e k: o8p+t g of helium gas at STP. How much energy is needed to raise t vyo:t e )jlv7pm8y)+/;y:ap vdgk 7slhe temperature of this gas to $20 \; ^{\circ}C$?

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83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the temperature of a otjbls9a8/* +q( ut8e2snk p ugas is increased from $20 \; ^{\circ}C$ to $40 \; ^{\circ}C$, by what factor does the speed of the molecules increase?

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84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A molecule has a spes n .)g+ucgbdi3 e. *gn1a*yr-jiiu o)ed of 500 m/s at $20 \; ^{\circ}C$. What is its speed at $80 \; ^{\circ}C$?

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85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The molecular mass of oxygen molecules is mk.u0x zdc tb)lmcm*(u/:9v v 32, and the molecular mass of nitrogen molecules is 28. If these two gases are at the same temperature, the ratio of nitrogen's rms spee) c0m:. u dlkzvvm/c9bu* mt(xd to that of oxygen is .

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86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The molecular mass of nitrogen is 14 times greater than drwmcy5r*1mjnqjt xj)f +:1h,*3mqa that of hydrogen. If the molecules in these two gases have the same rms speed, the ratio of hydrogen's absolute temperature to that of nitrogen is . ,j1tjwd+f*5y:)h qrm nr*1 amxqj m3c

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