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温度计

D. B. C. A. 萘的熔解实验与实验记录图像. 实验结果表明,固态时的奈加热吸热 温度升高,当到达某温度时开始熔解, 并继续吸热,但温度不变,直到完全 熔化成液态后,继续吸热,温度升高。. 110. 铁夹. 温度计. 100. 90. 80. 温度( ℃ ). 70. 60. 100. 50. 烧杯. 40. 90. 30. 萘. 80. 20. 铁圈与 石棉网. 70. 10. 铁架台. 0. 火焰. 60. 10. 酒精灯. 50. 20. 40. 30.

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温度计

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  1. D B C A 萘的熔解实验与实验记录图像 实验结果表明,固态时的奈加热吸热 温度升高,当到达某温度时开始熔解, 并继续吸热,但温度不变,直到完全 熔化成液态后,继续吸热,温度升高。 110 铁夹 温度计 100 90 80 温度(℃) 70 60 100 50 烧杯 40 90 30 萘 80 20 铁圈与 石棉网 70 10 铁架台 0 火焰 60 10 酒精灯 50 20 40 30 1 3 5 7 9 11 13 15 17 19 时间(分) 作者: 周立民

  2. A B C D 萘的凝固实验与实验记录图像 实验结果表明,液态时的奈冷却放热 温度降低,当到达某温度时开始凝固, 并继续放热,但温度不变,直到完全 凝固成固态后,继续放热,温度降低。 110 温度计 100 90 80 温度(℃) 70 进水 60 100 50 烧杯 40 90 30 80 20 70 10 0 60 冷却水 冷却桶 10 出水 50 20 40 A 30 1 3 5 7 9 11 13 15 17 19 时间(分) 作者: 周立民

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