Which of the following correctly describes the role of scientific models in the advancement of technology? a. models represent the basic facts. b. models are educated guesses that can be tested. c. models us better understand the phenomena. < d. models answer specific questions about phenomena.
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Chemistry, 21.06.2019 20:30
12. complete each of the following word equations for synthesis reactions. a. sodium + oxygen -> b. magnesium + fluorine -> 13. complete and balance the equations for the decomposition reactions. a. hgo -> [with the triangle heat symbol above the arrow] b. h2o(l) -> [with "electricity" written above the arrow]
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Chemistry, 22.06.2019 15:30
Which statement names the physical property of wood a. wood is softer than coal b. wood does not rust c. wood can rot d. wood can burn
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Chemistry, 23.06.2019 06:30
Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?
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Which of the following correctly describes the role of scientific models in the advancement of techn...
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