Which is not one of the eight most common elements in earth’s continental crust?
oxygen...
Answers: 1
Chemistry, 22.06.2019 23:30, znewkirk4741
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.
Answers: 3
Chemistry, 23.06.2019 17:10, jwhit28
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
Answers: 3
Mathematics, 23.07.2021 20:50
Chemistry, 23.07.2021 20:50
Mathematics, 23.07.2021 20:50
Mathematics, 23.07.2021 20:50
Mathematics, 23.07.2021 20:50
Mathematics, 23.07.2021 20:50
Biology, 23.07.2021 20:50