中2理科『質量保存の法則』が5分でわかる魔法の授業/化学11
5:02
YouTubeりかひな先生
中2理科『質量保存の法則』が5分でわかる魔法の授業/化学11
質量保存の法則をわかりやすく解説したよ！ 蓋をしている限り、質量は変化しないけど、 蓋を開けると変化することがあるよ！ その原因を理解してね〜！ ＜目次＞ 00:00 挨拶 00:10 定義 00:35 硫酸＋水酸化バリウム水溶液 01:14 塩酸＋炭酸水素ナトリウム 02:18 ...
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