作者查詢 / aspeter
作者 aspeter 在 PTT 全部看板的留言(推文), 共23050則
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6F推:有冰淇淋!!12/17 12:24
31F推:辛苦了~~這次覺得補給很充足喔,謝謝你們的付出~~12/17 09:45
5F推:看正妹+人擠人熱鬧+吃香蕉喝水+享受跑步這場步錯阿~~~12/17 08:19
6F推:PB比較難,可能要提前30分去卡位,比較能跑得順~~12/17 08:23
124F推:乾脆換里長好了,前門可以送給他,吃飯的地方不能失守XDD12/16 22:56
1F推:元素的確是不能用化學方法分離,你把純氧氣拿去照光也可能12/15 16:10
2F→:變成臭氧或是氧原子12/15 16:11
3F→:同素異形體或離子在特定條件可轉換(碳<->鑽石)12/15 16:15
5F推:照光,加熱,通電都可算是化學,其實溫度夠高都能夠原子化12/15 17:23
6F推:課本其實沒錯,只是有些容易搞混要想一下~~12/15 17:28
8F推:普通化學方法就是上面三個,物質就是有質量體積的東西12/15 18:01
9F推:應該說同一種物質的定義甚麼?看起來不同,可是你去改變條件12/15 18:09
10F→:卻會變成同一個東西算不算相同(同素異形體)12/15 18:10
11F→:也就是說冰 液態水 水蒸氣 都是水,木炭 鑽石 石墨都是碳12/15 18:14
4F推:NH4+ +OH-<->NH3 +H20 k=5.8*10^4 NH3和水至少一百倍12/15 16:29
3F推:我猜Avogadro只有力學,沒有量子力學計算~~12/15 18:40
16F推:理想考三四次,兩次太少,失常就掛定了,六七次會很累很緊張12/18 19:49
4F推:還有閃電或靈魂嗎? ID:waterwater 感謝~~12/15 22:57
4F推:用氧化數去推可能產物,背常用的,特別是強氧化劑或強還原劑12/13 21:30