The employees have not been paid _______ since the new manager took over this company last month.
A:regularly
B:commonly
C:completely
D:ordinarily
如图小方格都是边长为1的正方形,则四边形ABCD的面积是 ( )
1930年,甘地领导了“食盐进军”运动。下列有关对这一运动的评述,错误的是
在标准状况下,0.5mol N2和1mol O2 的混合气体的体积约是 ____
如图所示,粗细均匀、导热良好、装有适量水银的U型管竖直放置,右端与大气相通,左端封闭气柱长l=20cm(可视为理想气体),两管中水银面等高.先将右端与一低压舱(未画出)接通,稳定后右管水银面高出左管水银面h=10cm(环境温度不变,大气压强p0=75cmHg).
求:稳定后低压舱内的压强是多少cmHg?