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Chemistry, 22.06.2019 07:30, eburnhisel2023
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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Joan writes four numbers on the board in standard form, and then she writes their scientific notation
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Chemistry, 22.06.2019 13:00, aleilyg2005
If two objects at different te, peraure are in contact with each other what happens to their temperature
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How can we know that atoms exist and understand them if they are invisible?...
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