Người ta cung cấp cho 2 kg nhôm ở 30 độ C một nhiệt lượng 35,2 kJ thì nhiệt độ cuối cùng của nhôm là bao nhiêu? Biết nhiệt dung riêng của nhôm là 880J/kgK. * a.35oC b.50oC c.45oC d.40oC

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