(9分)在“观察水的沸腾”实验中,当水温升到89℃时,小刚开始计

(9分)在“观察水的沸腾”实验中,当水温升到89℃时,小刚开始计时,每隔lmin记录一次水的温度。然后,小刚根据实验数据绘制了如图所示的温度随时间变化的图像。

(1)由图像可以看出,水的沸点是           ℃;

(2)把水从89℃加热到刚开始沸腾所需时间为_______min。

(3)根据图像可以推断出,如果在其它条件不变的情况下继续对水加热lmin,则水的温度是________℃。

 

 

答案

(9分)(1)99(2)5 (3)99

解析:

 

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