将氨气通过NaClO碱性溶液可以制得N2H4(肼),反应的化学方程式如下:NaClO+2NH3=NaCl+H2O+N2H4现将112L氨气(标况)通入1L 2m

将氨气通过NaClO碱性溶液可以制得N2H4(肼),反应的化学方程式如下:NaClO+2NH3=NaCl+H2O+N2H4现将112L氨气(标况)通入1L 2mol/LNaClO的碱性溶液,最多能制得

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老吴从家里出发乘车到银行办理业务,回城时步行,往返共用了45分钟。如果老吴往返都乘车,则只需花30分钟。那么,如果老吴往返时都选择步行,需要花( )分钟。

老吴从家里出发乘车到银行办理业务,回城时步行,往返共用了45分钟。如果老吴往返都乘车,则只需花30分钟。那么,如果老吴往返时都选择步行,需要花( )分钟。

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Pain is an emotional as well as physical response to injury or disease. Intense

Pain is an emotional as well as physical response to injury or disease. Intense fear and anxiety are

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______the result of the exam, she stood at the door of the classroom, disappoint

______the result of the exam, she stood at the door of the classroom, disappointed.

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当今世界,各国相互依存、休戚与共。我们要继承和弘扬联合国宪章的宗旨和原则,构建以合作共赢为核心的新型国际关系,打造人类命运共同体。试述构建人类命运共同体思想的科

当今世界,各国相互依存、休戚与共。我们要继承和弘扬联合国宪章的宗旨和原则,构建以合作共赢为核心的新型国际关系,打造人类命运共同体。试述构建人类命运共同体思想的科学内涵。

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