According to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants? a there is no relationship. b the mass of the products is sometimes greater. c the mass of the reactants is greater. d the masses are always equal.
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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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According to the law of conservation of mass, how does the mass of the products in a chemical reacti...
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