Self-test questions: Chapter 09

Self-test questions: Chapter 09

Quiz Content

not completed
.

For the decomposition of hydrogen peroxide, H22 (aq) → H2O (l) + ½O2 (g), the initial rate of consumption of hydrogen peroxide was found to be 1.4 × 10-3 mol dm-3 s-1. What is the initial rate of formation of O2?

not completed
.

For a general reaction 3A + 4B → products, the rate equation takes the form: rate of reaction = k [A][B]2. From this we can conclude that:

not completed
.

For a general reaction 3A + 4B → products, the rate equation takes the form: rate of reaction = k [A][B]2. The units of the rate constant k are:

not completed
.

The expression for the rate of reaction for the following elementary reaction NO2 + H2 → NO + H2O is:

not completed
.

A reaction has a rate constant of 1.2 × 10-3 s−1. What is the half life?

not completed
.

CH3COCH3 (l) → CH2CO (l) + CH4 (g) follows first order reaction kinetics, where the rate of reaction = k [CH3COCH3]. The integrated form of the rate equation is:

not completed
.

For a gas-phase reaction at 298 K, the rate constant k = 0.14 s-1. What is the overall reaction order of the reaction?

not completed
.

The first order gas-phase process: 2A → B has a rate constant, k = 1.95 × 10-3 s-1 at 550 °C. If in a reaction vessel, the initial concentration of A was 0.01 mol dm-3, what is its concentration after 250 s?

not completed
.

For a first order reaction, the half-life,  = 95 s. What is the rate constant, k, of the reaction?

not completed
.

A plot of ln k against has a slope of – 5490 and an intercept of 12.2. What is the activation energy (Ea) (kJ mol-1) of the reaction?

Back to top