Chemistry, 30.01.2020 05:54 Thania3902
Ocean water is sometimes referred to as saline water as it contains significant concentrations of dissolved salts. true or false
Answers: 3
Chemistry, 23.06.2019 14:30, Knownothing
2.38g of black copper (ii) oxide is completely reduced by hydrogen to give copper and water. what are the masses of copper and water formed? ?
Answers: 1
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
Ocean water is sometimes referred to as saline water as it contains significant concentrations of di...
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