Determine the energy in eV of a photon realized when an electron drops from energy level 7 to the energy level 3 in a hydrogen atom. [1 eV = 1.602x10^-19 J]

Mitosis is a type of cell division that produces cells that are identical to the parent cell. meiosis is a different type of cell division that produces cells that carry have a genetic material of the parent cell. based on the information provided how do the purpose of mitosis and meiosis differ

Chromosome 17 is made of over million base pairs.

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?