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OpenStudy (anonymous):
This hw problem has got me totally stumped, please help? A closed, insulated tank contains (a) kg of liquid water and has a (b) kg copper base. The thin walls have negligable mass. Initially, the tank and contents are at (c). A heating element embedded in the copper base is energized with an electrical current of (d) amps at (e) volts for (f) seconds. Determine the final temperature of the tank and contents.
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