2025届湖北省腾云联盟高三12月联考物理试题（PDF版，含答案）

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11.(8分 ) 不需要 (2分 ) 0.204 (3分) 145 (3分 )
12. (9分 ) (1) ac (2分 )
100 (2分 )
(4) 偏小 (2分 )
(5) 2900 (2分 )
13.(10分解：(1)气) 体作等容变化，开始时的压强p=1.2p , 温度T=360K,
降温后的压强P =P 温度T =
由查理定律得 2分
T =300K 1分
气体温度降低△ l=T -T =60K =60°C 2分
(2) 设放出的气体先收集起来，并保持压强与保持罐内相同，以全部气体为研究对象，
放气过程：为等p温Y 膨p胀过Y 程，设膨胀后气体的总体积为V。 由玻意耳定律得 = 解得 V=1.2 V
则剩余气体的质量与原 来总质量的比值为：
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