4.37 The decomposition of A into product has value of k as 4.5× 103 s–1 at 10°C and energy of activation 60 kJ mol–1. At what temperature would k be 1.5 × 104s–1?
4.37 The decomposition of A into product has value of k as 4.5× 103 s–1 at 10°C and energy of activation 60 kJ mol–1. At what temperature would k be 1.5 × 104s–1?
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1 Answer
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4.37 From Arrhenius equation, we obtain
Also, k1 = 4.5 × 103 s -1
T1 = 273 + 10 = 283 K
k2 = 1.5 × 104 s -1
Ea = 60 kJ mol -1 = 6.0 × 104 J mol -1
Then,
→ 0.5229 = 3133.627 × (T2-283)/ (283 × T2)
→ 0.0472T2 = T2-283 T2 = 297K or T2 = 240 C
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