50cm³ of gas z, the empirical formula of which was CH3 diffused through a porous partition in 29 secs. The same volume of hydrogen diffuses in 5.9 secs under the same conditions. what is the molecular formula of gas z​

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

The sum of the oxidation numbers in a neutral compound is always