A 12.0 V battery-operated bottle warmer heats 50.0 g of glass, 2.50×102 g of baby formula, and 2.00×102 g of aluminum from 20.0ºC to 90.0ºC .                (a) How much charge is moved by the battery?(b) How many electrons per second flow if it takes 5.00 min to warm the formula? (Hint: Assume that the specific heat of baby formula is about the same as the specific heat of water.)

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.