Please help! (URGENT)
Since work is a transfer of energy, which of the following could be a second definition for power?
a. energy is not created or destroyed.
b. the force of an object on a scale
c. energy transferred in a certain amount of time
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Ответ:
So I would divide the "grams of barium" by its molecular weight (which is 137.3) to get "moles of barium". :)