I need help with question four please
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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How many grams of mgbr2 are needed to produce 75g or metal?
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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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Which of the following describes the entropy change as a solution is made from a liquid and solid
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