Which of the following statements are true about measurements and units? a. the si unit system is used by scientists all over the world. b. measurements must include numerical values and units. c. the si system is based on powers of ten. d. the unit of mass in the si system is the pound.
Answers: 1
Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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Chemistry, 22.06.2019 21:30
The solid xy decomposes into gaseous x and y: xy(s) m x(g) + y(g) kp = 4.1 (at 0 °c) if the reaction is carried out in a 22.4 l container, which initial amounts of x and y will result in the formation of solid xy?
Answers: 1
Which of the following statements are true about measurements and units? a. the si unit system is us...
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