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1. A particular first-order reaction has a rate constant of 1.35 × 102 s-1 at 25.0 °C. What is the magnitude of k at 75.0 °C if Ea=49.8 kJ/mol?
a. 390b. 2.02 × 104c. 2.43 × 103d. 2.24 × 106e. 1.35 × 102
2. According to the Arrhenius equation:
a. factor A is a measure of the energy required for a molecular collision to produce a product.
b. the rate constant increases as Ea decreases.
c. reaction rate increases as Ea increases.
d. there is a linear relationship between reaction rate and temperature
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