A reaction has a rate constant of 1.23×10−4 s−1 at 29 ∘C and 0.233 s−1 at 79 ∘C Ea = 134 kJ/mol What is the value of the rate constant at 18 ∘C ?
please rate. thank you.
A reaction has a rate constant of 1.23×10−4 s−1 at 29 ∘C and 0.233 s−1 at...
A reaction has a rate constant of 1.21×10−4 s−1 at 25 ∘C and 0.226 s−1 at 77 ∘C . Part A Determine the activation barrier for the reaction. Express your answer in units of kilojoules per mole and with 3 significant figures. Ea E a = nothing kJ/mol Request Answer Part B What is the value of the rate constant at 18 ∘C ? Express your answer in units of inverse seconds (s−1) and with 3 significant figures. k k...
Part A) A certain first-order reaction has a rate constant of 2.40×10−2 s−1 at 25 ∘C. What is the value of k at 60 ∘C if Ea = 74.0 kJ/mol ? Express your answer using two significant figures. Part B) Another first-order reaction also has a rate constant of 2.40×10−2 s−1 at 25 ∘C. What is the value of k at 60 ∘C if Ea = 135 kJ/mol ? Express your answer using two significant figures.
A reaction has a rate constant of 1.26×10−4 s−1 at 26 ∘C and 0.229 s−1 at 77 ∘C . A) Determine the activation barrier for the reaction. ( kJ/mol ) B) What is the value of the rate constant at 16 ∘C ? (s^-1)
A certain first-order reaction has a rate constant of 2.65×10−2 s−1 at 20 ∘C. What is the value of k at 50 ∘C if Ea = 70.0 kJ/mol ?
a certain first-order reaction has a rate constant of 3.00×10−2 s−1 at 23 ∘c. what is the value of k at 67 degrees celsius if Ea= 86 kJ/mol
A first-order reaction has a rate constant at 20 C of 2.75 10–2 sec-1 and Ea is 75.5 kJ/mol. What is the rate constant (in sec-1) at 60C? 8. A first-order reaction has a rate constant at 20°C of 2.75 x 10 sec ? and Es is 75.5 kJ/mol. What is the rate constant (in sec ) at 60°C?
A certain first-order reaction has a rate constant k = 3.21 X 10-2 s-1 at 20oC. What is the value of the rate constant at 100oC if Ea = 81.5 kJ/mol? (R = 8.314 J/mol K) Write your answer using 3 significant figures.
A reaction has a rate constant of 1.26×10−4 s−1 at 27 ∘C and 0.235 s−1 at 77 ∘C . What is the value of the rate constant at 18 ∘C ?
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 95.0°C if Ea = 55.3 kJ/mol?
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 = 55.5 kJ/mol. PLEASE SHOW WORK