Chemistry, 31.07.2019 08:00 cheryljoseph69
Air contains nitrogen, oxygen and carbon dioxide gases, all retaining their individual, distinct chemical properties. air is therefore best described as a(n) a. mixture c. solution b. compound d. ion
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Chemistry, 22.06.2019 06:30
If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
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Chemistry, 22.06.2019 06:30
Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: h₂ molecular weight: g mass of one mole: g/mol
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Chemistry, 23.06.2019 01:00
Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Air contains nitrogen, oxygen and carbon dioxide gases, all retaining their individual, distinct che...
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