Which of the following has the greatest mass, in grams? 1) 1 atom of gold (au) 2) 1.0 mol mercury (hg) atoms 3) 2.0 mole of chlorine (cl) atoms 4) 25 atoms of mercury (hg)

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp