Chemistry, 13.07.2020 22:01 jothianddeepi

What energy transfer happens when wood is burning?

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Chemistry, 22.06.2019 05:00, brockhull

Which best explains why an iceberg floats?

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Chemistry, 22.06.2019 12:00, BreBreDoeCCx

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

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Chemistry, 22.06.2019 12:00, sophiaa23

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

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Chemistry, 22.06.2019 15:00, jaylaga47

According to the diagram, what sources contribute to the phosphorus found in soil? according to the diagram, phosphorus found in soil contributes phosphorus to what other sources?