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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 temperature, what 53a 9sjl(1nb* 2b dddqkomzv-happens to the volume if the pressure of the gas is doublenvld3q5b*da bsk 2(1 z jm9od-d?

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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 ideal behavsvka6 qk4i(m0,; dbqu ior?

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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 be sksf6 7tp f-e-y/*coelow, choose the correct statement that describes the relationship between pressure and y7f-sfckees6 /t *op-temperature for a fixed 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 formuwzfvhy9t9 f1crea222 8 l q5ella that combines the relationship between pressure, volume, temperature, and the number of mole98f2e2la 9e1 2qlfwhzc 5y tvrs.
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 c7n v8 7i okcu/,zteb4borrect calculation to determine the final volume of a fic7e nzo/48b v,7ui ktbxed mass 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 aryc8qtc sa ck5, 0r6pq/e inflated 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 g 2g tgbpbd0b9xin.4go0 b/qe.as $(N_2)$ 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 w2(i d,cpdt1 2o3b kyzgithin the airbags of some older cars. The airbag is deployed as a safety feature in the event of an accident. In this application, the sodiyc1k(2z2 3pdiob g t,dum 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 closelz;z(s x8 9s i1nrwuem0y aligns with the behavior of an ideal gas?zu8r nsx9(0z mesw 1;i

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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 gaskvcbr)./sm 3 eg,c/w c deviate 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, pressure, and volu sw3jb + e1thazp,+7tpme $(T_1,P_1,and V_1T)$ 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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