Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. this process is called

Compare and contrast physical changes with chemical changes.

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron