The rate constant, the activation energy and the Arrhenius parameter of a chemical reaction at  25∘C  are  3.0 × 10−4s−1, 104.4KJmol&6 × 1014s−1  respectively. The value of rate constant as  T − ∞ ,

The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy =Ea27.0/kJmol. If the rate constant of this reaction is ×1.8103·M−1s−1 at 24.0°C, what will the rate constant be at −35.0°C?Round your answer to 2 significant digits.

A certain catalyzed reaction is known to have an activation energy =Ea50.0/kJmol. Furthermore, the rate of this reaction is measured at 310.K and found to be ×3.8/101Ms. Use this information to answer the questions in the table below.

The rate constant k for a certain reaction is measured at two different temperatures:temperature k392.0°C ×1.71011470.0°C ×2.91011Assuming the rate constant obeys the Arrhenius equation, calculate the activation energy Ea for this reaction.Round your answer to 2 significant digits.

A certain chemical reaction has an activation energy of 0.500 × 10−19 J. What temperature is required for the reaction rate to be double what it is at 20°C?

The rate constant of a first order reaction is 4×10−3sec−1 .At a reactant concentration of 0.02 M, the rate of reaction would be: