Homework Help: Chemistry

Posted by J.M. on Saturday, September 23, 2006 at 3:05pm.

What total energy must be absorbed (from the environment) to change 1.00kg of ice at -30.0°C on a lake surface in February to water at 20.0°C in August?

Add the following heats..

heat ice from -30 to OC
melt ice at 0C
heat water from 0C to 20C

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