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hongtranggv
2 năm trước
Đốt hoàn toàn 24 gam than chứa 98% cacbon. Nhiệt lượng tỏa ra là (Biết rằng khi đốt cháy một mol cacbon tỏa ra 394 KJ nhiệt lượng) * A. 788 KJ. B. 772,24 KJ. C. 1576 KJ. D. 896 KJ.
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