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A rock has 43.75 grams of Rb-87 and 306.25 grams of Sr-87, how many half-lives has it gone through?
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Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
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Ted and emily played a mixed doubles tennis match against jack and brenda. in the second match. ted and brenda played against jack and emily. which type of chemical reaction does the situation demonstrate?
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What are four significant sources of ghgs that come from wostem washington?
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A rock has 43.75 grams of Rb-87 and 306.25 grams of Sr-87, how many half-lives has it gone through?...
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