Chemistry, 05.10.2020 15:01 michaelmcgee99
In the early 1900s many scientists thought that an atom consisted of a positive substance with negative charges scattered throughout the substance. Then Ernest Rutherford completed an experiment that changed the concept of an atom. His discovery led to the understanding that an atom consists mostly of empty space with β
electrons and protons orbiting a cloud of neutrons
electrons orbiting a dense nucleus made of protons and neutrons
neutrons and protons orbiting a cloud of electrons
protons orbiting a dense nucleus made of electrons and neutrons
Answers: 2
Chemistry, 22.06.2019 04:00
You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present
Answers: 1
Chemistry, 22.06.2019 12:30
Sodium sulfate dissolves as follows: na2so4(s) β 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?
Answers: 2
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How is the solubility of a carbon dioxide gas in water increase?
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Chemistry, 23.06.2019 01:30
How does the attraction between particles affect the ability of a solvent to dissolve in a substance
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In the early 1900s many scientists thought that an atom consisted of a positive substance with negat...
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