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The burning of 1.0 g of coal produces 8.4 kcal. how many kilojoules are produced?
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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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When a scientific theory has been tested and proved by the scientific community, it becomes a law
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What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?
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The burning of 1.0 g of coal produces 8.4 kcal. how many kilojoules are produced?...
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