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Chemistry, 22.06.2019 05:30
Compare and contrast physical changes with chemical changes.
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Chemistry, 22.06.2019 14:30
The three types is stress that act on earths rocks are compression, tension, and
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Chemistry, 22.06.2019 16:50
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 22.06.2019 21:00
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
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Dinitrogen pentoxide can be made by the reaction of nitrogen with oxygen. consider the reaction
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