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The half life of oxygen is 2 minutes. What fraction of a sample of 0.15 will remain after 5 half lives?
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Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer
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In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.
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What is the number of neutrons in an atom with atomic mass of 35
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Ascientist wants to know how individual lions within a pride interact with each other in their own environment. to do this, the scientist sedates and tags all of the lions within a pride. then, he places several remotely-controlled video cameras near the lions' den and performs an observational field study. he collects continuous video footage over the span of one year, analyzes the video, and then forms conclusions based on his observations.
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The half life of oxygen is 2 minutes. What fraction of a sample of 0.15 will remain after 5 half liv...
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