The first-order decomposition of compound X, a gas, is carried out and the data are represented in

Question:

The first-order decomposition of compound X, a gas, is carried out and the data are represented in the following pictures.
The green spheres represent the compound; the decomposition products are not shown. The times at which the images were taken are shown below each flask.

(a) Determine the half-life of the reaction.

(b) Draw the appearance of the molecular image at 8.0 s. 0 5.0 s 10.0 S