Answers: 1
Chemistry, 22.06.2019 09:20
Explain that newton first law,second law and third law of motion?
Answers: 2
Chemistry, 23.06.2019 16:00
Water is called the universal solvent because more substances dissolve in water than in any other chemical. this has to do with the polarity of each water molecule. the hydrogen side of each water (h2o) molecule carries a slight positive electric charge, while the oxygen side carries a slight negative electric charge.
Answers: 3
Chemistry, 23.06.2019 17:10
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: 1
Co (s) + 2 NaCl (aq) → 2 Na (s) + CoCl2 (aq)...
Mathematics, 25.11.2019 00:31
Mathematics, 25.11.2019 00:31
English, 25.11.2019 00:31
Mathematics, 25.11.2019 00:31
Chemistry, 25.11.2019 00:31