How many grams of hydrogen gas would be needed to form 8.0 grams of water? h2+o2=h2o

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

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.

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso