Chemistry, 09.09.2021 18:50 kishmarlewis
A student conducted a comparative investigation to test the hypothesis that different areas of New York City have different levels of air pollution. Which is a likely benefit of this comparative investigation? O It provides her with a large amount of information about air pollution in New York City. O It provides her with results that are valid for a long time. It requires that she observe a limited number variables. It allows her to learn about the causes and effects of air pollution in major cities.​
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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 22:10
What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added
Answers: 1
A student conducted a comparative investigation to test the hypothesis that different areas of New Y...
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