题型:实验探究题 题类:常考题 难易度:普通
晓轩同学在“探究冰和蜡的熔化规律”时,使用的实验装置如图甲所示:
时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
蜡的温度/℃ | 42 | 44 | 46 | 48 | 49 | 50 | 51 | 52 |
时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
温度/℃ | 72 | 74 | 76 | 77 | 79 | 80 | 80 | 80 | 80 | 80 | 81 | 82 | 83 | 84 |
时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
甲的温度/℃ | 35.0 | 40.0 | 44.8 | 49.5 | 54.2 | 58.4 | 62.6 | 66.9 |
乙的温度/℃ | 42.0 | 44.0 | 46.0 | 48.0 | 48.0 | 48.0 | 48.0 | 50.0 |
加热时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
物质的温度/℃ | 40 | 42 | 44 | 46 | 48 | 48 | 48 | 48 | 48 | 50 | 51 | 52 |
时间/min | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
海波温度/℃ | 40 | 42 | 44 | 46 | 48 | 48 | 48 | 48 | 51 | 53 | 56 | 59 | |
石蜡温度/℃ | 40 | 41 | 42 | 44 | 46 | 48 | 50 | 51 | 53 | 55 | 58 | 60 | 62 |
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