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标准大气压下水沸腾的温度是多少
更新时间: 2020-07-11 00:00:00  

液体的沸点与气压成反相关关系,当气压增大时,液体的沸点升高,当气压减小时,液体的沸点会降低。例如在近海平面处做试验,将水加热到沸腾,用抽气机抽气水会重新沸腾,在烧杯中注入沸腾的水,塞进瓶塞,将烧杯倒置,用冷水浇烧瓶底部,水又重新沸腾。

关键词: 标准 大气压 下水 沸腾 温度 多少

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