What is required to initiate an energy-releasing reaction like the combustion of methane?

Why is the structure of molecule important to its function?

What happens to the temperature of a substance when the average kinetic energy of its particles increases?

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.