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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 constant tempaw4wq 3;4lnkdxl-s;v+ 9 urlzerature, what happens to the volume if the pressure of the gas is d3-44kqdu s vl;nz;ll9wwx+ raoubled?

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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 gases deviate from ideary3wdrp/ /d t+l 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 corrn 6k w 3n+7+vcmk8x1 r0cv0jd/ms 9gduak4g nyect statement that describes the relationship between pressure and temperature for a fix 0 76umn vcyg1xs nkg9k/nrv348ajc +d0d +wmked mass and volume 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 is a formula that combines the relationship between pr:q mrm(d9 ser:b,ni/j uyk:) ressure, volume, temperature, and the number of mj:s/,m mqn(d e):rr9 :kirubyoles.
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 c hrptiz q x3,*9etua:z;za*k6 orrect calculation to determine the final volume of a fixed ,ptix*; ezuh6r az:9kta3 *qzmass of gas:
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 infl uvf5:kld0 lq-ated 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++z)9q jhoot ,an1z 1p wtjd6cis8dz4 $(N_2)$ 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 compound found within ( n5zu hb*c;pqet:fj6 azp+t1 the airbags of some older cars. The airbag is deployed as a safety feature in thh q t*u6(5ean1pfpb: zj+ t;zce 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 followibgofu 9hk-7- u:s3 rbdng gases most closely aligns with the behavior of an ideal gs --bgk 9bfud u3:orh7as?

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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 deviatewig7a-onwmw+ 9 2e2 34sjmemm the most from the ideal 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, 31,;0txzg4f e4-5+t oytcz ys mai amaj:)elc pressure, and 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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