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2018-07-13View Original

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1개의 폐쇄된 용기로 내부를 두 부분으로 나누어 있습니다.两侧内部隔成两部分,
Reply #22018-09-11
한 쪽 상단과 다른 �边上另一侧顶部相通。现在向一侧加入11111%1浓度的硫酸,另一侧加入5浓度的硫酸,现在同时加热(加热源温度约沸点为)。请问密闭容器内的两侧溶液的变化过程和最终情况? 我的分析是:加热时温度由低到高,加热到约沸点时低浓度一侧的首先沸腾随着温度的升高溶液上方的蒸气压逐渐升高溶液上方的蒸气压逐渐升高低浓度侧的硫酸沸点也会随之升高。两侧硫酸溶液在加热到沸点时存在两种可能:
Reply #32018-09-15
最终两侧硫酸浓度会变得相同。因为浓度低的稀硫酸沸点低而先沸点,首先蒸出的是水,蒸出的水会进入到高浓度侧,直至两侧浓度相同时即达到平衡。

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