BOSTON — A letter written by Albert Einstein in which he writes out his famous E = mc 2 equation has sold at auction for more than $1.2 million, about three times more than it was expected to get, ...
A good way to ensure that one reactant fully reacts is to use an excess of the other reactant. This is financially efficient when one of the reactants is very cheap. When one reactant is in excess, ...
A letter written by Albert Einstein in which he writes out his famous E = mc² equation has sold at auction for more than US$1.2 million, about three times more than it was expected to get, ...
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