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Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?
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(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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Physics, 22.06.2019 11:30, emilyplays474
In a good thermo flask the main cause of heat loss is
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A pyrotechnical expert needs to fire a 15 kg projectile from a launching device that has a barrel le...
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