天气预报 > 其他 > 鸡蛋放在水里加上盐会怎么样
鸡蛋放在水里加上盐会怎么样
更新时间: 2020-10-23 00:00:00  

鸡蛋会上浮。

原因:将鸡蛋放入水中,水的密度小于鸡蛋的密度,鸡蛋所受浮力小于所受重力,所以鸡蛋会沉入水底,在水中不断加入盐,盐溶解于水,液体密度增加,当盐水的密度大于鸡蛋的密度时,鸡蛋所受的浮力大于它的重力,鸡蛋上浮。

关键词: 鸡蛋 放在 里加 怎么样

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