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Chemistry, 23.06.2019 02:00
Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium
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Chemistry, 23.06.2019 09:30
What is the best describtion of the side of the moon that faces earth?
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Chemistry, 23.06.2019 09:30
How many moles of na2s2o3 are needed to react with 0.12mol of cl2? show work.
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Chemistry, 23.06.2019 13:30
Type the correct answer in each box. use numerals instead of words. the distance between earth and the moon is about 384,400 kilometers. the distance can be written in scientific notation as a × 10b kilometers, where a = and b = .
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Is chemical a example of natural forces...
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