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When measuring a melting point why is it necessary to raise the temperature?
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Aradio signal from a gps satellite take only about 0.067 seconds to reach a gps reciever. if the speed of light is about 300,000km/s, then approximately how far away is the reciever from from the satellite?
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An observation that requires measurement is called quantitative observable or qualitative
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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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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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When measuring a melting point why is it necessary to raise the temperature?...
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