The density of a gas is 3.21 g/l. what is the molar mass of this gas

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 scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules

How big are the bighest ocean waves at mavericks