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有能力的分子的液體蒸發的主要依據,其數額動能 個 人粒子 可 能擁有。即使在較低溫度為 分 子 液體蒸 ...
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16 years ago
有能力的分子的液體蒸發的主要依據,其數額動能個人粒子可能擁有。即使在較低溫度下,單個分子的液體會蒸發掉,如果他們有超過最低金額動能所需的汽化。 但汽化不僅是一個轉變過程的國家從液體變為氣體,但也是改變國家,從固體到氣體。這個過程也稱為昇華,但也可以稱為汽化。 *分離溶解的溶質的溶劑 *是通過加熱少量的解決方案,是擺在蒸發盤 [解決辦法是加熱,直到所有的溶劑揮發造成的殘留物。] [編輯]率的影響因素蒸發 該物質的濃度在空氣中蒸發 如果空氣中已經有高濃度的物質蒸發,則給予更多的物質會慢慢消失。 其他物質的濃度在空氣中 如果是已經飽和的空氣與其他物質,它可以有能力較低的物質蒸發。 其他物質濃度的液體(雜質) 如果液體含有其他物質,它具有較低的蒸發能力。 空氣流量 這部分是有關集中點以上。如果新鮮空氣正在對物質的所有的時間,那麼該物質的濃度在空氣中不太可能隨著時間的推移上升,從而鼓勵更多更快地蒸發。這是結果的邊界層表面的蒸發與流速下降,減少擴散距離在停滯層。 分子間力 越強的力量保持分子聚集在液體狀態下,更多的精力必須獲得逃生。 壓力 在一個面積較小的壓力,蒸發發生更快,因為沒有那麼勞累,保持表面上的分子發動自己。 面積 阿物質有較大的表面積蒸發快,因為有更多的表面分子的能逃脫。 溫度物質 如果該物質熱,然後蒸發會更快。 密度 密度越高,越慢液體蒸發。 為 分 子 液體蒸 發,他們必須靠近地表,是在朝著正確的方向,並有足夠的動能來克服液相分子間力。[1]只有一小部分的分子滿足這些條件,所以蒸發率是有限的。由於動能分子正比於它的溫度,蒸發快於收入較高的溫度。隨著更快速移動的分子逃脫,其餘分子有較低的平均動能,溫度的液體,從而減少。這種現象也被稱為蒸發冷卻。這就是為什麼汗液蒸發冷卻人體。蒸發也傾向於進行更快速,流速之間的氣體和液體相和液體蒸氣壓較高。例如,洗衣衣服上線幹(由蒸發)更迅速地在大風天仍比上一天。三個關鍵部件是高溫蒸發,濕度和 Distributed by Tubemogul.
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