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Clearnote
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Senior High
Chemistry
問這題E選項
Chemistry
Senior High
3 monthsago
娜講
問這題E選項
16. 附圖為兩揮發性物質A與B以不同比例混合,所測到的蒸氣壓圖,根據圖中情形判斷,下列敘述何者正確? R ( ) 600 (mmHg 400| 200 P. 實測值 AO0.2 0.4 0.6 0.8 1.0 1.0 0.8 0.6 0.4 0.2 0 B 莫耳分率 (A)此溶液為非理想溶液,對拉午耳定律呈現正偏差(B)混合後A-B間的吸引力小於原先A-A或B-B間吸引力 (C)溶液混合時會放熱且體積變小(D)在1atm 下,混合溶液的沸點會比純物質A低,比純物質B高(E)當兩者體積 愈接近混合的時候,混合後越偏離理想溶液。
Answers
cgu med
about 1 monthago
越接近混合越接近理想溶液(體積可加成)
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