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在一定条件下，可逆反应A(g)+B(g) mC(g)；变化如下图所示。已知坐标表示在不同温度和压强下生成物C在混合物中的质量分数，P为反应在T 2 温度时达到平衡后向容器加压的变化情况，问： ⑴T 1 T 2 （填“大于”、“等于”或“小于”。 ⑵正反应是 反应（填“吸热”或“放热”),m 2（填“大于”、“等于”或“小于”）。 ⑶某温度下，反应物的起始浓度分别为：c(A)='1' mo1/L，c(B)=' 2.4' mo1/L；达到平衡后，A的转化率为0.60，此时B的转化率为 。
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