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Two 20.0-g ice cubes at –20.0 °C are placed into 275 g of water at 25.0...

Two 20.0-g ice cubes at –20.0 °C are placed into 275 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.

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