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OpenStudy (anonymous):
Lead pellets, each of mass 1 gram are heated to 200·C. How many pellets must be added to 50g of water that is initially at 20·C to make the equilibrium temperature 25·C Neglect any energy transfer to or from the container.
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OpenStudy (anonymous):
500g water
OpenStudy (vincent-lyon.fr):
This question belongs in the physics group.
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