Find the specific heat of 0.40 kg of graphite that changes from 26°c to 30°c and absorbs 1136j of heat energy​ Show work

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

What type of matter is made of only one kind of atom