Calculate the mass of a liquid with a density of 2.5 g/mL and a volume of 15 mL. Round the answer to the correct number of significant figures.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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.