The first-order reaction, 2 N2O(g) → 2 N2(g) + O2(g), has a rate constant equal to 0.76 s-1 at 1000 K. How long will it take for the concentration of N2O to decrease to 42% of its initial concentration?

The following two isomers of C3H7NO exist in equilibrium with each other in solution:If Kc = 0.57 at 25°C and the initial concentration of the reactant is 0.50 M and the product is 0.70 M, what are the concentrations at equilibrium?

The following set of data was obtained by the method of initial rates for the reaction: 2 HgCl2(aq) + C2O42-(aq) → 2 Cl-(aq) + 2 CO2(g) + Hg2Cl2(s) What is the value of the rate constant, k?

For the following problem, use a separate sheet of paper to solve the problem. Select your answer from the choices given and then upload your solution at the following link: Unit 2 Exam – Free Response Question  Your work must be shown for full credit.  The answer alone is only worth 1 point.    The decomposition of SOCl2 is first-order with respect to SOCl2. If the half-life for the reaction is 4.1 hr, how long would it take for the concentration of SOCl2 to drop from 0.36 M to 0.045 M?

Consider a reaction that occurs by the following one-step mechanism:A2 + B2 → 2 ABThe potential energy profile for this reaction is shown below. The energy of reaction, ΔE, is given by the difference in energy between which two reaction stages?

The following set of data was obtained by the method of initial rates for the reaction: 2 HgCl2(aq) + C2O42-(aq) → 2 Cl-(aq) + 2 CO2(g) + Hg2Cl2(s) What is the value of the rate constant, k?

Which of the following does not affect the rate of a bimolecular reaction?

Fluorine-18 is an isotope used in Positron Emission Tomography (PET) to scan the brain and follows first-order decay kinetics. If a researcher has 1.50 μg of 18F, how long before it decays to 1.0 ng? The half-life of 18F is 109.8 minutes.

A three-step mechanism has been suggested for the formation of carbonyl chloride:What is the molecularity of the rate-determining step?

The decomposition of dinitrogen pentoxide is described by the chemical equation 2 N2O5(g) → 4 NO2(g) + O2(g) If the rate of appearance of O2 is equal to 2.40 mol/min at a particular moment, what is the rate of disappearance of N2O5 at that moment?