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copyright 1991-2019 青果园电厂化学资料网 ( www.qgyhx.cn ) All rights reserved 陇ICP备09001450号 |
气体的物理性能见表8~11。
空气的主要成分 表8
<DIV align=center>名称</DIV> | <DIV align=center>氮</DIV> | <DIV align=center>氧</DIV> | <DIV align=center>氩</DIV> | <DIV align=center>二氧化碳</DIV> | <DIV align=center>氢</DIV> | <DIV align=center>氖</DIV> | <DIV align=center>氦</DIV> | <DIV align=center>氪</DIV> | <DIV align=center>氙</DIV> |
<DIV align=center>按体积(%) 按重量(%)</DIV> |
<DIV align=center>78.03 75.6</DIV> |
<DIV align=center>20.93 23.1</DIV> |
<DIV align=center>0.923 1.286</DIV> |
<DIV align=center>0.03 0.046</DIV> |
<DIV align=center>0.01 6×10^-6</DIV> |
<DIV align=center>1.6×10^-3 1.2×10^-3</DIV> |
<DIV align=center>4.6×10^-4 7×10^-5</DIV> |
<DIV align=center>1×10^-4 3×10^-4</DIV> |
<DIV align=center>8×10^-6 4×10^-5</DIV> |
各种气体的容重和比重 表9
<DIV align=center>空气名称</DIV> | <DIV align=center>分子式</DIV> | <DIV align=center>分子量</DIV> | <DIV align=center>容重(公斤/米3)</DIV> | <DIV align=center>比重(空气=1)</DIV> |
<DIV align=center>空气 氮 氧 氩 氢 氨 氯 苯 甲烷 乙烷 丁烷 乙炔 硫化氢 一氧化二氮 一氧化碳 二氧化碳 二氧化硫</DIV> |
<DIV align=center>- N2 O2 Ar H2 NH3 Cl2 C6H6 CH4 C2H6 C4H10 C2H2 H2S N2O CO CO2 SO2</DIV> |
<DIV align=center>- 28.02 32.00 39.94 2.0163 17.03 70.92 78.05 16.03 30.046 58.08 26.02 34.08 44.02 28.00 44.00 64.07</DIV> |
<DIV align=center>1.293 1.251 1.429 1.783 0.0898 0.771 3.214 3.582 0.717 1.357 2.673 1.189 1.539 1.978 1.250 1.977 2.927</DIV> |
<DIV align=center>1 0.970 1.105 1.389 0.069 0.596 2.485 2.770 0.554 1.049 2.075 0.909 1.189 1.529 0.967 1.529 2.264</DIV> |
注:1.表内所列的容重,是气体干燥并在0℃和760毫米汞柱条件下的数值。
2.设P0=0℃时单位体积的重量,则t℃时单位体积的重量为
Pt=P0/(1+0.00367t)
3.P′0=压力为760毫米汞柱时的单位体积重量,则压力为H时单位体积的重量为
PH=HP′0/760
干空气在压力为1公斤/厘米2时的物理参数 表10
<DIV align=center>温度t (℃)</DIV> |
<DIV align=center>容重γ (公斤/米3)</DIV> |
<DIV align=center>比热Cp (千卡/公斤·℃)</DIV> |
<DIV align=center>导热系数λ (10^-2千卡/米·时·℃)</DIV> |
<DIV align=center>导温系数α (10^-2米2/时)</DIV> |
<DIV align=center>动力粘度μ (10^-6公斤·秒/米2)</DIV> |
<DIV align=center>运动粘度υ (10^-6米2/秒)</DIV> |
<DIV align=center>-180 -150 -100 -50 -20 0 5 10 15 20 25 30 35 40 50 60 70 80 90 100 120 140 160 180 200</DIV> |
<DIV align=center>3.685 2.817 1.984 1.534 1.365 1.252 1.229 1.206 1.185 1.164 1.146 1.127 1.110 1.092 1.056 1.025 0.996 0.968 0.942 0.916 0.870 0.827 0.789 0.755 0.723</DIV> |
<DIV align=center>0.250 0.248 0.244 0.242 0.241 0.241 0.241 0.241 0.2415 0.242 0.242 0.242 0.242 0.242 0.243 0.243 0.243 0.244 0.244 0.244 0.245 0.245 0.246 0.247 0.247</DIV> |
<DIV align=center>0.65 1.00 1.39 1.75 1.94 2.04 2.075 2.11 2.140 2.17 2.195 2.220 2.250 2.28 2.35 2.41 2.46 2.52 2.58 2.64 2.75 2.86 2.96 3.07 3.18</DIV> |
<DIV align=center>0.705 1.45 2.88 4.73 5.94 6.75 6.995 7.24 7.450 7.66 7.900 8.14 8.395 8.65 9.14 9.65 10.18 10.65 11.25 11.80 12.90 14.10 15.25 16.50 17.80</DIV> |
<DIV align=center>0.66 0.89 1.20 1.49 1.66 1.75 1.780 1.81 1.835 1.86 1.885 1.91 1.935 1.96 2.00 2.05 2.08 2.14 2.20 2.22 2.32 2.40 2.46 2.55 2.64</DIV> |
<DIV align=center>1.76 3.10 2.94 9.54 11.93 13.70 14.20 14.70 15.20 15.70 16.155 16.61 17.105 17.60 18.60 19.60 20.45 21.70 22.90 23.78 26.20 28.45 30.60 33.17 35.82</DIV> |
不同温度下气体在水中的溶解度(在一个大气压下每升水中气体的升数) 表11
<DIV align=center>温度 (℃)</DIV> |
<DIV align=center>空气</DIV> | <DIV align=center>氢</DIV> | <DIV align=center>氧</DIV> | <DIV align=center>氮</DIV> | <DIV align=center>一氧化碳</DIV> | <DIV align=center>二氧化碳</DIV> | <DIV align=center>硫化氢</DIV> | <DIV align=center>二氧化硫</DIV> | <DIV align=center>乙炔</DIV> | <DIV align=center>氯</DIV> | <DIV align=center>氨</DIV> |
<DIV align=center>0 5 10 15 20 25 30 35 40 45 50 60 70 80 90 100</DIV> |
<DIV align=center>0.0288 0.0226 0.0187 0.0161 0.0142 0.0130 0.0122 </DIV> |
<DIV align=center>0.02418 0.02044 0.01955 0.01883 0.01819 0.01754 0.01699 0.01666 0.01644 0.01624 0.01608 0.01600 0.01600 0.01600 0.01600 0.01600</DIV> |
<DIV align=center>0.04889 0.04287 0.03802 0.03415 0.03103 0.02831 0.02608 0.02440 0.02306 0.02187 0.02090 0.01946 0.01833 0.01761 0.0172 0.0172</DIV> |
<DIV align=center>0.02354 0.02086 0.0861 0.01685 0.01545 0.01434 0.01342 0.01256 0.01184 0.01130 0.01088 0.01023 0.00977 0.00958 0.0095 0.0095</DIV> |
<DIV align=center>0.03537 0.03149 0.02816 0.02543 0.02319 0.02142 0.01998 0.01877 0.01775 0.01690 0.01615 0.01488 0.01440 0.01430 0.01420 0.01410</DIV> |
<DIV align=center>1.713 1.424 1.194 1.019 0.878 0.759 0.665 0.592 0.530 0.479 0.436 0.359 </DIV> |
<DIV align=center>4.670 3.977 3.399 2.945 2.583 2.282 2.037 1.831 1.660 1.516 1.392 1.190 1.022 0.917 0.84 0.84</DIV> |
<DIV align=center>79.79 67.485 56.650 47.276 39.374 32.79 27.16 约23 18.80 </DIV> |
<DIV align=center>1.73 1.49 1.31 1.15 1.03 0.93 0.84 </DIV> |
<DIV align=center>4.91 3.56 3.148 2.680 2.299 2.019 1.799 1.617 1.438 1.225 1.023 </DIV> |
<DIV align=center>1300 910 802 710 595 </DIV> |
甄长红 版权所有
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copyright 1991-2019 青果园电厂化学资料网 ( www.qgyhx.cn ) All rights reserved 陇ICP备09001450号 |