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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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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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In the diagram here that represents the reaction, which reactant, a or b, is the limiting reagent?
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Sand is more likely than shale to preserve fossils. true false
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Define what digital reputation is...
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