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A Particular First-Order Reaction Has a Rate Constant of 1 10210 ^ { 2 }

Question 72

Multiple Choice

A particular first-order reaction has a rate constant of 1.35 × 10210 ^ { 2 } s−1s ^ { - 1 } at 25.0 °C.What is the magnitude of k at 95∘C 95^{\circ} \mathrm{C} if Ea=55.5 kJ mol−1? E_{\mathrm{a}}=55.5 \mathrm{~kJ} \mathrm{~mol}-1 ?


A) 9.57 ×103 s−1\times 10 ^ { 3 } \mathrm {~s} ^ { - 1 }
B) 3.74 ×1087 s−1s ^ { - 1 }
C) 1.36 × 10210 ^ { 2 }
s−1s ^ { - 1 }
D) 575 s−1s ^ { - 1 }
E) 1.05 × 10−410 ^ { - 4 }
s−1s ^ { - 1 }

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