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Lead pellets, each of mass 1.10 g, are heated to 200°C. How many pellets must be...

Lead pellets, each of mass 1.10 g, are heated to 200°C. How many pellets must be added to 519 g of water that is initially at 20.0°C to make the equilibrium temperature 25.0°C? Neglect any energy transfer to or from the container.

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