在密闭容器中,将1.0 mol CO与1.0 mol H2O混合加热到800℃,发生下列反应:CO(g)+H2O(g)CO2(g)+H2(g)。一段时间后该反应达到平衡,测得CO的物质的量为0.5 mol。则下列说法正确的是A.800℃下,该反应的化学平衡常数为0.25B.427℃时该反应的平衡常数为9.4,则该反应的△H<0C.800℃下,若继续向该平衡体系中通入1.0mol的CO(g),则平衡时CO物质的量分数为33.3% D.800℃下,若继续向该平衡体系中通入1.0mol的H2O(g),则平衡时CO转化率为66.7% 补全对话,所给的词语只能用一次.
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Mike: Hello, Jim!
Jim: (1) , Mike!
Mike: Jim, this (2) Lucy. She's my (3) . She's (4)
Jim: How do you do, Lucy?
Mike: How do you do, Jim? (5) is your teacher?
Jim: Miss Gao is (6) teacher.
Mike: (7) is she?
Jim: I (8) she's 25.
Mike: (9) is she now?
Jim: (10) home.
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