
(1)她们在组装实验器材时,其合理的顺序是
①温度计②石棉网③装水的烧杯④酒精灯
(2)实验进行一段时间后,温度计的示数如图甲所示,为
(3)水在沸腾前,温度升高,这是通过
(4)小希观察到水沸腾时形成的大量气泡不断上升、变大,到水面破裂开来,里面的
(5)小组同学实验过程中绘制了如图乙所示的温度随时间变化的图象,分析图象可知,此时气压

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

