Chemistry, 10.07.2019 16:00 eelebron0905
Which of the following measurements is expressed to three significant figures? a) 0.007 m b)7077 mg c)7.30 x 10^-7 d) 0.070 mm
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Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
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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
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Chemistry, 22.06.2019 12:00
the mississippians were considered to be horticulturalists, which means they were
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Which of the following measurements is expressed to three significant figures? a) 0.007 m b)7077 m...
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