khikhi1705
30.11.2021 •
Chemistry
Khi bị đun nóng ở nhiệt độ cao C4H8 bị phân hủy thành etylen C4H8 (k) →2C2H4 (k) Năng lượng hoạt hóa
của phản ứng là 260 kJ/mol. ở 800K hằng số tốc độ k = 0,0315/s. Hãy xác định hằng số tốc độ k ở 850 K. Cho biết
khi nhiệt độ tăng từ 800K lên 850K tốc độ tăng lên bao nhiêu lần?
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Ответ:
Sample Response: The nucleus of an atom has a positive charge because the proton is positive and the neutron is neutral.
Explanation: