Physics

Physics, 02.08.2019 10:00, angelteddy033

If a substance cannot be separated physically is called

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Chemistry, 05.07.2019 22:00, alcantar28eduin

Will give 99 ! 1) keri has to identify a mysterious brown liquid in science class. she pours it through a filter, but the substance looks the same. then she heats the substance and collects the water that evaporates. the water droplets look the same as the original substance. keri concludes that since the substance cannot be separated it must be a compound. is keri correct? a) no because compounds can be separated physically. b) no because the substance could be an element. c) yes because water is a compound. d) yes because keri tried to separate it and all mixtures can be separated physically. 2) mrs. smith wrote down a chemical equation on the board and stated that mass is conserved in the reaction. what did she mean? a) there are equal numbers of atoms on both sides. b) there are more atoms on the reaction side. c) the number of atoms on each side changes. d) there are more atoms on the product side

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Chemistry, 11.07.2019 14:00, mistyshaw3736

Which of the following represents a pure substance that can be separated chemically but cannot be separated physically that is made up of two or more different atoms

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Chemistry, 04.08.2019 07:30, Aestheticblue

Asubstance that cannot be separated physically is called . a.) a pure substance b.) heterogeneous c.) an alloy d.) a mixture

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Chemistry, 21.09.2019 06:30, serehnatyras0808

Ineed some like right now this second so me if u don't know don't answer like for real keri has to identify a mysterious brown liquid in science class. she pours it through a filter, but the substance looks the same. then she heats the substance and collects the water that evaporates. the water droplets look the same as the original substance. keri concludes that since the substance cannot be separated it must be a compound. is keri correct? group of answer choices a: yes because water is a compound. b: no because the substance could be an element. c: yes because keri tried to separate it and all mixtures can be separated physically. d: no because compounds can be separated physically.

Answers: 1

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