The element bromine has two istopes bromine - 79 and bromine-81, they exist in nature in ratio 1:1, what is the atomic mass of bromine?​

Why are pipes bursting in the in extremely cold weather?

If i add water to oil what will happen

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.