Which devices might use electromagnets? Check all that apply.
audio speakers
plast...
Chemistry, 23.04.2020 19:49 honwismun1127
Which devices might use electromagnets? Check all that apply.
audio speakers
plastic combs
trains
doorbells
revolving chairs
cranes
Answers: 3
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If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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