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## Homework Statement

the largest of the Great Lakes, Lake Superior contains 1.2*10^16kg of fresh water, which has a specific capacity of 4186J/kg*C and a latent heat of fusion of 3.33*10^5J/kg.

a.) If Lake Superior were still liquid at 0C, how much energy would need to be removed from the lake for it to become completely frozen?

## Homework Equations

## The Attempt at a Solution

Can someone just give me a hint or give me the equation to use because i have no clue what to do?