What is the maximum gauge pressure of waters that can measured using piezometer tube 2m high?

What is the empirical formula of vanadium 1 oxide given that 20.38 grams of vandium combines with oxygen to form 23.58 grams of the oxide

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery