Physics, 29.07.2021 19:00 noahmoritz2004

Một học sinh thả 300g chì ở nhiệt độ ở 1000C vào 250g nước ở 58,50C làm cho nước nóng lên đến 600C. Cho biết nhiệt dung riêng của nước c1=4 190J/kg. K a) Hỏi nhiệt độ của chì ngay khi có cân bằng nhiệt? b) Tính nhiệt lượng nước thu vào. c) Tính nhiệt dung riêng của chì. Coi như chỉ có chì và nước trao đổi nhiệt cho nhau.

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Một học sinh thả 300g chì ở nhiệt độ ở 1000C vào 250g nước ở 58,50C làm cho nước nóng lên đến 600C....

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