Physics, 24.09.2019 17:30 ItzAquaZ1449

All engines operate at less than 100 percent efficiency because they heat.

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Physics, 22.06.2019 10:00, lorelei7668

(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present

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All engines operate at less than 100 percent efficiency because they heat....