What is the bond angle for a trigonal pyramidal molecule?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?