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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: 匿名未登录  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 thermodynanh,piaybz)y 4*n uqtd)*e ;e)mics.
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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 G on th 9dtjw/bmr8zo1*uz .d e top and metal H on the bottom, is rigidly a rz1u ./djtwz* o8dmb9ttached 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 pyk jsaq )9ba f0m8 sq1ym,df3+lug gap will

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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 hole thro m su xrni5,oqkj,.n3,ugh its center as shown in Fig. 13-2. When the plate's temperature is incnu,i jm.nqosx35,k r ,reased, 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 ebnn *f0 k8 bbnmsm-y4(xpansion for aluminum is $1.8 \times 10^{-6} \; ^{\circ}C^{-1}$. 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 temperature k n, o./2-hwskdu9c bkon 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 negative te*m;pxoe9x x 6pcnx7 z+mperatures?

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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 are equivaleaso-yd6i4yvk7 wk2n p9f8 3vjnt?

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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 approw/l:py ooll9j ) 8vkh.ximately

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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.: zmcso7h ev0.
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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 l enjy ja/9x-l) kl4sz(aw.
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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 atm is compressed to one-third its volume, withf*xz *d ,rdd(qp - gurn*gdk/d(kk(/f the temgrg(rnzqk/ kkdfpxu df(d/* **(-d ,d perature held constant. What is its 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 constant temperature is tripled, its vr*3mdiq2 4z uvol4v 3 2*umiqzrdume 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 temperature. As a rega-ntbnh96v lau3)0 ohp5,m8z)ab k c sult, an inbc369 ln)b-ugzvh5)a,8p thkaan0 om crease in volume 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 a substw /7o dad12awb h*no20giykz)ance

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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 temperaturwg7/ai 1rqk:8 l3gltt slu/0ne. If the number of molecules w lq lntlsk8t 7ragi3/u0g1:/ in the container is increased to 2N with no change in temperature 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 qynr19ck - kfh *ldd46of a given sample of an ideal gas double. This means that its temperature in Kelvin fk4d kldq1*9c6-r nh ymust

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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 ideal -ktbh7xv3xd4 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 molecule8yup5yvys z a-h6*3zio c3s t2s and a mole of diatomic nitrogen molecules at S2z o58u*cy3y3zp shsi6 vaty-TP have

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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+yomw; k)tjdu) o2 /pu temperature and pressure. One gas, oxygen, has a molecular mass of 32od; utp2)o /w+jk)mu y. The other gas, nitrogen, has a molecular mass of 28. What is the ratio of the number of oxygen 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 kinetic energy of a gas can be dtd3 ns3bs a7l1l- *kdletermined 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-half its original volume wi3lv*y(4ajsrynot (q ,th no change in temperature. What happens to the average speed of thlyqv( (atr*43yn ,ojse molecules 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 temp n)-thlmbnb 6+o5tr1lerature doubles. What happens to the average speed of the molecules in the samlthrn-+nbt lo 5b1)6mple?

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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 direc,dn 8ckl0(i8(bv -fidu( fy sbtly proportional to which of the following?d vl(-b f(n f08(kii8s,ybcdu

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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 +oic pz,z+ ,y8zs w(sjaverage speed of the molecules in a given sample of gas, the tempz, (+cz+i ssjy,o8zwperature (measured in Kelvin) 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 hydrogen molecules. At a givzuxx/o ./b jb*en temperature, the average molecular kinetic energy of o x//* bxuz.objxygen, 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 massive than hydrog69+u; )wrfblja -s zdcen molecules. At a given temperature, how do their average molecbr d+ 9s-l; fcz6uwa)jular 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 an8( cluzykm .*9r7wwmhd helium gases at the same temperature. Which yhz*m w(cr7.wku ml 98one of the following statements 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 mixt x)yu,,(kd gjgure of helium and oxygen gases. A thermometer in the container indicates that the temperatureyu(x g d,k)j,g is $22 \; ^{\circ}C$. 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 mixtv*s/ahxw0 di5ure of helium and oxygen gases. A thermometer in the container indicates that d*whvi/xsa5 0the temperature 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 can exist to30p4dqez5 lk .sf jb5xa6mg :igether 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 occuqey4 qn1y6q ,gqsev5t v13g 5z1yq)v hrs in air when 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 46 ;ata5m b,txj(tvs: a.bysqkpi;p. ($98.6 \; ^{\circ}F$) 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 from 35eF during the 08ganch./ p6y eu:ymsnight 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 change oaoi .:d *l82qqo*, add1byqh vf $20 \; ^{\circ}C$ 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 numer,(s kpoic72w3kwet o (ical readings on the Fahrenheit and Celsius scales the samee7wk( , 3ioo2w t(pksc?

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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 m loe+.vmqp /3baw6po) )i0nyhyst 0m 0wung 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 ciyl6vx9h1k;ry1a v l+m 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 coyd;k yk4:p0c (j,jxtfncrete 18 m long contract when the temperature drops from d( ; xf:cty4,kjj0 ykp$24 \; ^{\circ}C$ 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 hasuv h.-fodgcbkxbqy:b4jwl x,qn ;5 * n87)2 oi a diameter of 1.200 cm at $20 \; ^{\circ}C$. 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 available. Ho:cl4 kv;1v8n.(1vhvf(j uvyvzufbn(w 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 clearance all aroubh42+ikqa(q und 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 thermal expansion for gasbwkbffjwck)(p w a +o7 (y*+w,oline 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 3b h,entjnru+44 /i lprim 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 awnigd/lex y u)*1l6-from $4.0 \; cm^{3}$ 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 hasa qzz+) a5d sce/-;(ye0dlecq 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,/7tsn 09e qrgd in degrees Fahrenheit, does this correspond to?q/t9d nsrg 70e

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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 an absolute pressure o;fpze5t- rz,ezastyl 2 4xq9/f 400 kPa. Find the absolute prerf ;t4/ z q,apl-59xzes z2tyessure if 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 s2 qe8y8-czm care at $0 \; ^{\circ}C$ 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 are- pdsp9n 80t5b:thz wo 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 ,44xkocha:piff 6/ geare 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 molechgunbk;tjug 2-q/l 01 ules are there in 36 g of water? Express your answer as a multiple of Avogadro's nunthu2ujlgb/01 q ;-gk mber NA. (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 2.05z.1ojkaogj jz(b* k 4vaqw990 kg of copper? (The atomic weight of copper is 63.5 and itszg(o9 v akb.4k z9jj5*wo 1ajq specific 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 idex9sg6wnc b2 o8 0w-clual gas occupies 33.6 L under standard conditions. How many9sc-w02 b6g xn8w oluc mol of 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 pressur(p1w 76nf5 va7gepsike of 2.5 atm, 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 contkgv+ujy9z .c8(vm j a)0mex.q7 (hykhainer 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) - v0-auwqvdpyg(c75c2dkkz: occupies 44.8 L at STP. What is the mass of the sample?--p dkka:y(0c2cvgv 7w qudz 5

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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.yv2v2u s,d; (05 ylb2hzonr6 jsl8do x25 atm and a temperature of5srxs 20 v(2h6vb8l2yzl nodu oyd;,j $0 \; ^{\circ}C$. 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 ck qgc5,tx e2: xb/61q ebb/wno/fh/l $600 \; cm^{3}$ 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 initial*1.fhi 49shoj h1ppak5g1nq/l-ukpgly at $28 \; ^{\circ}C$. 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 occupies 4.7 02l85qaop) frpkxm l9 9vb edtkr7w70 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 of na4k: 6dg upmly(8bj4$1.0 \; m^{3}$. 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 dyljv o 3qg8- 2k(uj47oc xlgf;ioxide ($CO_2$) 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 densb*9x oz7slz tv05+ozdity 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 vo- dgyuanv80( rlume of $0.20 \; m^{3}$, 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 g of9l 9f;(i ogs.k m muoqh76:rw nn:0yxy $H_2$, 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 molechs.jv n 00qwv /rgs*e3n8 yw2wules 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 energy of an atom,tmlv9 ii: ck t0i8xy1z/( gi0la,rxe in helium gas equal to (90myx/8 , :c, r1t vi lzilkgi0etaix$6.21 \times
10^{-21} \; J$?

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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 speed of7y4j u mbnvli4ugv 68, $H_2$ 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 16 g of helium gas at STP. v 6b4.xn/h66rbtc qpdmd; gy3p d hct3z3s/*l How much energy is needed to raise the temperature bq4b 3xp; 3l/66*v/hrcztdh mgcnpt 6d3 ds y.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 gas is increasfa)gq.f g 2*ujd1c5sfed 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 speed of 5000o)xk iz72:zef oeza- 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 32, and theppxq0:qm vpp q9im)m*d0 r1xq* y4li6 molecular mass of nitrogen molecules is 28. Ifp m6d:rqpvqq *lxi90ymi )4*0qp pm1x these two gases are at the same temperature, the ratio of nitrogen's rms speed 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 that of hydrogen. I)vt9j jo vq/-uaet9m8f the molecules in these two gases have the same rmj) vtq 9ta/uj89moev- s speed, the ratio of hydrogen's absolute temperature to that of nitrogen is .

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