Gases 6

⇐ To index

 

The figure below represents a gas enclosed in a container.

 

 

A chemical reaction takes place, keeping the pressure and temperature constant. It is observed that the initial volume of 2.4 L is reduced to 1.2 L after the reaction. Which of the following diagrams best represents the resulting reaction products?

 

 

	Wrong. In this figure only half of the starting molecules are shown. No reaction took place.
	Correct. In this figure the number of new molecules is half the number before the reaction.
	Wrong. This figure shows the same number of molecules as in the initial sample. This can not produce a change in volume.
	Wrong. This figure shows 1/3 of the molecules that were in the initial sample. This results in lower volume to 1/3 of the initial volume.

Read more