Summarize le chatelier’s principle with a general rule. (in the simplest way you can, )

What is the mass of 0.46 mil of mgcl2

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 terms are used to identify pure substances