# Physics

To make ice cubes you fill am ice tray with 150g of water at 20°C. How much energy must be removed from the water to create ice cubes at a final temperature of -10C

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1. heat removed:
cooling water to 0C: 150*cw*20
changing to ice: 150*heatfusionwater
cooling the ice to -10:
150(cice)(10)

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