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Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
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Chemistry, 22.06.2019 15:30
Which suspect most likely committed the robbery and how do you know
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Chemistry, 22.06.2019 19:30
Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
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Rank the following atoms in order of decreasing atomic radii.
Gallium, Sulfur, Helium, and Bismuth...
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