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Burning wool smells like burning hair while burning cotton smells like burning paper. why?
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10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)
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Which characteristics can be used to differentiate star systems? check all that apply.
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If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
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Burning wool smells like burning hair while burning cotton smells like burning paper. why?...
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