+1 vote
395 views
2. Answer the following questions.

A. State and explain Avogadro's law.
in Chapter 1: Some Basic Concepts of Chemistry by Expert (10.7k points) | 395 views

1 Answer

+1 vote
Best answer

In 1811, Avogadro proposed that equal volumes of all gases at the same temperature and pressure contain equal number of molecules

solution img

According to Avogadro law, if 1 volume contains n molecules, then 2n molecules of hydrogen combine with n molecules of oxygen to give 2n molecules of water .

Therefore, 2 molecules of hydrogen gas combine with 1 molecule of oxygen to give 2 molecules of water vapour. Avogadro could explain the above result by considering the molecules to be polyatomic. If hydrogen and oxygen were considered as diatomic, as recognized now, then the above results are easily understandable.

 

by Expert (10.7k points)

Related questions

+1 vote
1 answer
0 votes
1 answer
+1 vote
1 answer
asked Mar 28 in physics by Topper11 Helping Hand (3.2k points) | 32 views
+1 vote
1 answer
714 questions
695 answers
11 comments
24 users