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Mathematics, 27.01.2021 14:00 cmb6627

Pentru încălzirea unei locuințe în sezonul rece se folosesc 10 tone de cărbune, cu puterea calorică de 29260 kJ/kg. Ce căldură se degajă prin arderea cărbunelui?

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Pentru încălzirea unei locuințe în sezonul rece se folosesc 10 tone de cărbune, cu puterea calorică...
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