Which substance has Delta.Hf defined as 0 kJ/mol? A. H2O (s) B. Ne (l) C. F2 (g) D. CO2 (g)

Question

Which substance has Delta.Hf defined as 0 kJ/mol?
A. H2O (s)
B. Ne (l)
C. F2 (g)
D. CO2 (g)

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Thái Dương 3 years 2021-08-09T17:50:24+00:00 2 Answers 16 views 0

Answers ( )

  1. Delwyn
    0
    2021-08-09T17:51:38+00:00
    Reply

    B is correct answer have a good day

  2. Tryphena
    0
    2021-08-09T17:51:39+00:00
    Reply

    Answer:

    its actually c

    Explanation:

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )