Chemistry
Chemistry, 04.07.2019 22:10, Daisy5219

How can i make new substance from old substances?

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Chemistry, 11.07.2019 14:00, eva4548
There are four substances, a, b c and d. a and c are pure substances. they cannot be broken down into anything simpler by chemical methods. b consists of a and d, which are not chemically bonded together. d is a pure substance. we can decompose d into a and c using chemical methods. how would we classify substance a, c, and d? substances abcd question 14 options: substances a and c are compounds, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes . substance d is a mixture, because it is a pure substance made up of a and c. substances a and c are elements, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes. substance d is a compound, because it is a pure substance made up of a and c. substances a and c are elements, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes . substance d is a mixture, because it is a pure substance made up of a and c. substances a, c, and d, are elements. all pure substances are elements.
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Chemistry, 11.07.2019 14:00, shavonfriend27
There are four substances, a, b c and d. a and c are pure substances. they cannot be broken down into anything simpler by chemical methods. b consists of a and d, which are not chemically bonded together. d is a pure substance. we can decompose d into a and c using chemical methods. how would we classify substance a, c, and d? a: substances a and c are elements, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes . substance d is a mixture, because it is a pure substance made up of a and c. b: substances a and c are compounds, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes . substance d is a mixture, because it is a pure substance made up of a and c. c: substances a and c are elements, because they are pure substances that bond together to make substance d and cannot be broken using chemical processes. substance d is a compound, because it is a pure substance made up of a and c. d: substances a, c, and d, are elements. all pure substances are elements.
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Biology, 27.07.2019 09:30, kaytek1
What is a solvent? a a substance that is more dense than its solid form b a substance that can dissolve other substances c a substance that floats on other liquid substances d a substance that can react with other substances
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Chemistry, 02.08.2019 13:30, Ackussinglake63
Which statement describes a change that occurs during a chemical reaction? a. atoms in the original substances are changed into different atoms to make new substances. b. atoms in the original substances are arranged in a different way to make new substances. c. the atoms in a substance change their properties so they can become a new substance. d.the atoms in a substance start to move faster until they are no longer touching each other.
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