close
Blogtrottr
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決
Yahoo!奇摩知識+ - 分類問答 - 科學常識 - 已解決 
固體氯化銨溶於水中會使水溫降低，此一過程為?
Aug 4th 2013, 03:40

答案是： (2) ΔH > 0, ΔS > 0

當氯化銨溶於水時，水溫降低，顯示溶解過程中吸收了水的能量。由此可知，氯化銨溶於水是吸熱過程，ΔH 大於 0。

當氯化銨溶於水時，固體中排列整齊的氯離子和銨離子，變成了可在水中自由移動的離子。明顯地，過程中亂度增加，ΔS 大於0。

參考資料 sioieng

This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers. Five Filters recommends: 'You Say What You Like, Because They Like What You Say' - http://www.medialens.org/index.php/alerts/alert-archive/alerts-2013/731-you-say-what-you-like-because-they-like-what-you-say.html
You are receiving this email because you subscribed to this feed at blogtrottr.com.

If you no longer wish to receive these emails, you can unsubscribe from this feed, or manage all your subscriptions
arrow
arrow
    全站熱搜
    創作者介紹
    創作者 omoss 的頭像
    omoss

    中視聶小倩線上看 , 聶小倩線上看第二集 , 聶小倩 中視 , 聶小倩電視劇 , 聶小倩

    omoss 發表在 痞客邦 留言(0) 人氣()

    E-mail轉寄