Asample of a compound consisting only of copper and sulfur contains 88.39g of the metal and 44.61g of non-metal. how many grams of sulfur? enter your answers in scientific notation

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.