Hydrogen gas is explosive within the given range of 4% - 75% v/v. assuming that each student in your class produces 6l of h2 and that the lab is not ventilated, is there a danger of an explosion?

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.

Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic

Select the correct lewis structure for fluorine which is group 7a element?