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习题练习:Models of Matter A.5 ldeal Gases



 作者: admin发布日期: 2024-02-05 13:08   总分: 12分  得分: _____________

答题人: 匿名未登录  开始时间: 23年12月20日 21:12  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  
  For a fixed mass of gas at a conaag zm*o6axg7i1i u 8s.(h:etstant temperature, what happens to the volume if the pressure of the gas is.es7im1:aa gah (g6x8*t oui z doubled?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following conditions makes gase)iv tp2 hk q3/ad--ha jnjm;v8s deviate from ideal behavior?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Based on the graph below, choose the correct statement that 6c:0s(.l e 4ygdasj rrvrbhz ;g+f-( pdescribes the relationship between pressure and temperature for a fixed mass and g;d4.+ fcj((g rypsra6b0sl rz :he-vvolume of a gas?


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4#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The ideal gas equation + e za3u0,kmzj;riq:ois a formula that combines the relationship between pressure, volume, temperature, and the number of0rjq 3k imzu ,;o+aez: moles.
1.Complete the table below by calculating the missing variables of the ideal gas equation.
P V n T
  $\times10^4$Pa $0.015m^3$ 0.400mol $37^{\circ}C$
152,000Pa   $m^3$ 2.00mol 298.15K
31,000Pa $0.25m^3$   mol 271.15K
250kPa $0.75dm^3$ 0.580m0l   k
2.A $256cm^3$ flask contains 0.800g of a gaseous compound with an empirical formula of CHCl. The pressure and the temperature of the gas are respectively $10^5$, Pa10 and 373K. Determine the molecular formula of the compound.

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5#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Liquid butanol $(C_4H_9OH)$ burns or combusts in oxygen to produce $CO_{2(g)}$ and $H_2O$(g).
1.Write a balanced equation, including state symbols, for this reaction.
2.When $1.250cm^3$ of butanol is combusted in excess oxygen,$1.921dm^3$ of water vapor is collected at a pressure of 125.0 kPa and $150.0^{\circ}C$. Calculate the moles of butanol that were combusted.  mol
3.Determine the density of liquid butanol in $g\:cm^{-3}$.  g $cm^{-3}$

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Based on the table below, what is the correct calculation to determine the fin *fa/d 1inb j5e w spd.ye)y53l3wmr+val volume of a fixed mass of gasmrny* iya/j+ e db31dsv.5lp) ewf 35w:
Initial Final
Pressure = 1.00 atm Pressure = 1.60 atm
Temperature =$20^{\circ}C$ Temperature =$10^{\circ}C$
Volume =$5.00dm^3$ Volume = ?


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7#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Automobile airbags are inflatedv3l/ )g) .i:rfsbxw* sw2 abeh with $N_2$, a byproduct of sodium azide decomposition, according to the following reaction.
$2NaN_{3(s)}\rightarrow2 Na_{(s)}+3N^{2(g)}$
Calculate the mass (in grams) of sodium azide needed to generate $0.07m^3$ of $N^2$ at $1.01\times10^{5}Pa$ and $26.0^{\circ}C$.$n_{N2}$=  mol, mass of $NaN_3$=  g

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  14.01g of nitrogen gas ,f* lv 9bpn-. nicop.x$(N_2)$ is reacted with excess $H_2$. What volume of ammonia $(NH_3)$gas would be produced at STP? The molar volume of a gas at STP is $22.7dm^3$.
$N_{2(g)}+3H_{2(g)}\rightarrow2NH_{3(g)}$

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9#
 
填空题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Sodium azide is an ionic co/(y+7rq 0fo :ay6ldpop8 ccu dmpound found within the airbags of some older cars. The airbag is deployed as a safety fea+(ddu6rqc 8lo7/yyac p :pfo0ture in the event of an accident. In this application, the sodium azide decomposes rapidly, and the gas formed inflates the airbag.
The decomposition of sodium azide under these conditions is given below.
$2NaN_{3(s)}\rightarrow2Na (s)+3 N_{2(g)}$
1.Suggest the formula and charge for the azide ion.
2.A typical airbag requires $65.0dm^3$of nitrogen gas for complete inflation at STP. Using section 2 of the data booklet, calculate the mass of sodium azide that the airbag must contain for this purpose.Molar mass for sodium azide calculated=  $g mol^{-1}$

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Which of the following gases most closely aligns wiuqiyrq 9qgcrc 12f1/ 1th the behavior of an ideal gas?1 fqcrc9g1/ uqir 21qy

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Under which conditions would a gas deviate the most from the ideal jn-i7 wauo:/fhq8l h2 gas model?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A sample of gas at a certain temperature, pressure, ank/0x;3fy msopc2 5hg zd volume $(T_1,P_1,and V_1T)$ undergoes a change in temperature and pressure $(T_2andP_2)$.What is the new volume $(V_2)$?
Before: $T_1,P_1,V_1$;
After: $P_2=2P_1$ AND $T_2=\frac{1}{2}T_1$

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