Physics

Physics, 03.08.2019 16:00, Jasmineemarieee

Which characteristic best identifies a pure substance?

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Chemistry, 03.07.2019 00:30, caveman171

Which statement correctly describes why a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

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Chemistry, 11.07.2019 14:50, sakinahunt

What is one characteristic of a sample of matter that indicates it is a pure substance? a) it can be separated using by a physical means, such as filtering. b) the components in a pure substance do not have to be in definite ratios. c) if the composition of a sample varies, the sample is a pure substance. d) if the composition of a sample is fixed, the sample is a pure substance.

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Chemistry, 22.07.2019 14:00, judyd452

What is one characteristic of a sample of matter that indicates it is a pure substance? a.it can be separated using by a physical means, such as filtering. b.the components in a pure substance do not have to be in definite ratios. c.if the composition of a sample varies, the sample is a pure substance. d.if the composition of a sample is fixed, the sample is a pure substance?

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Chemistry, 22.08.2019 02:30, lenaaemersonn2

Which statement correctly describes whether a compound is a pure substance? a compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements. a compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means. a compound is not a pure substance because it is not an element, and only elements are pure substances. a compound is a pure substance because it consists of two different elements, which are pure substances.

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