The gas-phase reaction 2 N2 O5(g) →4 NO2(g)+O2(g) has an activation energy of 103 kJ / mol, and

step 1 Question number 74 is a single Arranius equation calculation. The format of the Arranius equatio

The gas-phase reaction 2 N2 O5(g) →4 NO2(g)+O2(g) has an...

The gas-phase reaction $$ 2 \mathrm{N}_{2} \mathrm{O}_{5}(\mathrm{g}) \rightarrow 4 \mathrm{NO}_{2}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{g}) $$ has an activation energy of $103 \mathrm{kJ} / \mathrm{mol},$ and the rate constant is 0.0900 min $^{-1}$ at 328.0 K. Find the rate constant at $318.0 \mathrm{K}$.

The gas-phase reaction
$$
2 \mathrm{N}_{2} \mathrm{O}_{5}(\mathrm{g}) \rightarrow 4 \mathrm{NO}_{2}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{g})
$$
has an activation energy of $103 \mathrm{kJ} / \mathrm{mol},$ and the rate constant is 0.0900 min $^{-1}$ at 328.0 K. Find the rate constant at $318.0 \mathrm{K}$.

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Temperature Dependence

Temperature dependence in reaction kinetics reflects how changes in temperature influence the speed of a reaction. As temperature increases, a greater proportion of molecules have sufficient energy to overcome the activation energy barrier, leading to an increased rate constant and an accelerated reaction.

Arrhenius Equation

The Arrhenius equation describes the temperature dependence of the rate constant for a reaction. It mathematically expresses the rate constant as a function of temperature and activation energy, showing that higher temperatures or lower activation energies result in faster reaction rates.

Activation Energy

Activation energy is the minimum energy that reactant molecules must possess in order to undergo a chemical reaction. It represents the energy barrier that needs to be overcome for the transformation of reactants into products and is a key determinant of the reaction rate.

Rate Constant

The rate constant is a proportionality factor in the rate law equation that relates the reaction rate to the concentrations of the reactants. It is temperature-dependent and provides an indication of how quickly a reaction proceeds under given conditions.

Transcript

Please give Ace some feedback