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A
B
C
D
44 The following thermochemical equation shows a displacement reaction.
Based on the equation, which statement is correct?
Persamaan termokimia berikut menunjukkan tindak balas penyesaran.
Berdasarkan persamaan itu, pernyataan manakah yang betul?
2+
2+
Zn + Cu Zn + Cu , ΔH = -210 kJmol -1
A The reaction is endothermic
Tindak balas adalah endotermik
B The activation energy is 210 kJmol -1
Tenaga pengaktifan ialah 210 kJmol -1
C The temperature of the mixture increases
Suhu campuran meningkat
D The total energy of the reactants is lower than the products
Jumlah tenaga bahan tindak balas adalah lebih rendah daripada hasil tindak
balas.
Sektor Pembelajaran, Jabatan Pendidikan Negeri Sabah | 2020 72
