冶金物理化学.doc

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1、物质ΔfHm298θ/kJ·mol-1相变温度/K相变焓/kJ·mol-1恒压热容/kJ·K-1mol-1适用温度/Kα-Ti(s)β-Ti(s)Ti(l)MgCl2(s)MgCl2(l)MgCl2(g)TiCl4(g)Mg(s)Mg(l)Mg(g)-641.4-763.2Ttr=1155TM=1933TM=987Tb=1691TM=923Tb=13784.1418.6243.10156.238.95127.6122.13+10.25×10-3T19.83+7.91×10-3T35.5679.10+5.94×10-3T-8.62×10-5T-292.4757.61+

2、0.29×10-3T-5.31×10-5T-2107.15+0.46×10-3T-10.54×10-5T-222.30+10.25×10-3T-0.42×10-5T-231.8020.75298~~11551155~~19331933~~3575298~~987987~~1691298~~2000298~~2000298~~923923~~1378298~~20001100K时各物质的相对焓相对焓和标准生成焓WO3(s)WO2(s)W(s)H2(s)H2O(s)(Hθ1100-Hθ298)/J·mol-17628057490209902384030150ΔfHθ29

3、8/J·mol-1-842910-58969000-242460