Chemistry, 17.03.2021 23:50 RayshawnBoulware
1 explique o que e quimica e por que estudar ela. 2explique o que e materia ,corpo e objeto na sequencia cite exenplos de cada um
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Different isotopes indicate that an element will have different numbers of
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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
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Chemistry, 22.06.2019 19:30
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
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1 explique o que e quimica e por que estudar ela.
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