Part A A certain first-order reaction has a rate constant of 2.30x10-25-1 at 15 °C. What...
Problem 14.61 18 of 28 > - Part A A certain first-order reaction has a rate constant of 2.10x10-2 s-1 at 16 °C. What is the value of k at 70 °Cif EQ = 84.0 kJ/mol ? Express your answer using two significant figures. IVO AQ O O ? Submit Request Answer Part B Another first-order reaction also has a rate constant of 2.10x10-25-1 at 16 °C. What is the value of k at 70 °C if EQ = 126...
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 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 1.65 min-1 at 20°C. What is the value of the rate constant at 60°C if the activation energy is 75.5 kJ/mol? The rate constant is 105 times bigger at 300 K than at 200K. Explain why reaction rate increases with temperature? At 227°C, the reaction: SO2Cl2(g) SO2(g) + Cl2(g), has an equilibrium constant of KC = 2.99×10-7. If a reaction mixture initially contains 0.175 M SO2Cl2, what is the equilibrium concentration...
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 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...
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 first order reaction has a rate constant of 0.925 at 25 oC. Given that the activation energy is 34.6 kJ/mol, calculate the rate constant at 35 oC. (enter answer to 3 decimal places)
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 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?