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25℃标态下,常见气态原子的标准摩尔生成焓(ΔfHθm)数据参见如下表1.
表1. 25℃标态下,常见气态原子的标准摩尔生成焓(ΔfHθm)数据
碱金属(ⅠA) | 元素符号 | ΔfHθm(/kJ·mol-1) |
H(g) | 217.999 | |
Li(g) | 159.310 | |
Na(g) | 107.57 | |
K(g) | 89.08 | |
碱土金属(ⅡA) | Be(g) | 324.5 |
Mg(g) | 147.18 | |
Ca(g) | 177.88 | |
硼族(ⅢA) | B(g) | 565.5 |
Al(g) | 330.040 | |
碳族(ⅣA) | C(g) | 716.684 |
Sig) | 450.8 | |
氮族(ⅤA) | N(g) | 472.684 |
P(g) | 316.510 | |
氧族(ⅥA) | O(g) | 249.181 |
S(g) | 277.172 | |
卤素(ⅦA) | F(g) | 79.383 |
Cl(g) | 121.302 | |
Br(g) | 111.871 | |
I(g) | 106.764 |
[1]Lide D R. CRC Handbook of Chemistry and Physics. 89th ed, Chemical Co, 2008,17:2688
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