Question

In: Chemistry

The activation energy of the first-order decomposition of N2O into N2 and O is Ea= 250...

The activation energy of the first-order decomposition of N2O into N2 and O is Ea= 250 kJ/mol. If the half-life of the reactant is t1/2= 7.5*10^6 s at 673K, what will it be at 773K?

Solutions

Expert Solution


Related Solutions

The decomposition of N2O to N2 and O2 is a first-order reaction. At 730° C the...
The decomposition of N2O to N2 and O2 is a first-order reaction. At 730° C the half-life of the reaction is 3.58 × 103 min. If the initial pressure of N2O is 5.50 atm at 730° C, calculate the total gas pressure after one half-life. Assume that the volume remains constant. _____atm
Consider the first order reaction 2 N2O(g) ⟶ 2 N2 (g) + O2(g). What will [N2O]...
Consider the first order reaction 2 N2O(g) ⟶ 2 N2 (g) + O2(g). What will [N2O] be after 3 half lives when 0.25 moles N2O is placed in a 1.00-L reaction vessel?
(1) The activation energy, Ea, is the energy difference between the reactants and the products in a chemical reaction.
  (1) The activation energy, Ea, is the energy difference between the reactants and the products in a chemical reaction.(2) The activation energy is the energy barrier that must be overcome by reactants for a reaction to occur.(3) The frequency factor, A, in the Arrhenius equation relates to the number of collisions and the fraction of those collisions that have the proper geometry for a reaction to occur. A.2 only B.1 only C.2 and 3 D.1 and 2 E.1 and...
The activation energy for a particular reaction is Ea = 13.40 kJ. What percentage of the...
The activation energy for a particular reaction is Ea = 13.40 kJ. What percentage of the molecules are at or above the activation energy at 500.0 K?
The decomposition of benzene diazonium chloride C6H5N2Cl -> C6H5Cl + N2 follows first order kinetics with...
The decomposition of benzene diazonium chloride C6H5N2Cl -> C6H5Cl + N2 follows first order kinetics with a rate constant of 4.3 x 10-5 s-1 at 20 °C. If the initial partial pressure of C6H5N2Cl is 0.088 atm, calculate its partial pressure after 10.0 hours. What is the half-life for this reaction?
1.Given the following data for the reaction A ® B, determine the activation energy, Ea, of...
1.Given the following data for the reaction A ® B, determine the activation energy, Ea, of the reaction. k (M/s) T (K) 0.681 500 0.715 1,000 a. 2.05 ´ 10–2 kJ/mol b. 405 J/mol c. 6.90 J/mol d. 48.7 J/mol e. 9.95 kJ/mol 2. The mechanism for the reaction 2H2O2(aq) ® 2H2O(l) + O2(g) in the presence of I–(aq) is proposed to be: Step 1: H2O2(aq) + I–(aq) ® H2O(l) + OI–(aq) Step 2: H2O2(aq) + OI–(aq) ® H2O(l) +...
A particular reaction has an activation energy, Ea, of 112 kJ/mol.  If the rate constant for the...
A particular reaction has an activation energy, Ea, of 112 kJ/mol.  If the rate constant for the reaction is 0.00621 s −1 at 452 °C, at what temperature(in°C) would the rate constant be 0.145 s −1?
The uncatalyzed decomposition of hydrogen peroxide (into water and oxygen gas) has an activation energy of...
The uncatalyzed decomposition of hydrogen peroxide (into water and oxygen gas) has an activation energy of 75.3 kJ mol-1. a) By what factor will the rate constant increase if the temperature is raised from 20°C to 30°C (i.e., what is the ratio of k30°C to k20°C)? b) How much slower will the rate of decomposition be at 10°C than 20°C (i.e., what is the ratio of k10°C to k20°C)?
The activation energy for the decomposition of hydrogen iodide is found to be 180 kJ mol–1...
The activation energy for the decomposition of hydrogen iodide is found to be 180 kJ mol–1 and the rate constant for this reaction is reported to be 0.24 mol–1 L min–1at 540 °C. What is k for this reaction at 30 °C? Please show all workings
Determine the activation energy in kJ/mol for a first order reaction if its specific rate constant...
Determine the activation energy in kJ/mol for a first order reaction if its specific rate constant 8.30e-05 s-1 at 350.0 K and 3.25e+01 s-1 at 560.0 K. Ea = ______ kJ/mol
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT