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Chemistry, 22.06.2019 03:00
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
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Chemistry, 22.06.2019 09:00
What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable
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A student is studying a sample of neon inside a piston cylinder. At constant temperature the cylinde...
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