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Chemistry, 22.06.2019 10:50
How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.
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What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2
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What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.
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Chemistry, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
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Research an element you are not familiar with. Write a paragraph with at least five sentences descri...
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