Avogadro's Law

Chemistry Board Question
Chapter Three  

Avogadro's Law
Short Question
1. What do you mean by Avogadro's number? What is its value? (DB-02, RB-02, CB-00, 04, DB-02, RB-03, JB-01)) 2
2. If the vapour density of steam is 9, find out the molecular formula of water. (DB-02) 2
3. What is the volume of 100 gm carbon di oxide at STP? (CB-02) 2
4. Write down the Avogadro's Law. State the importance of this Law. (CB-00) 2
5. What is the volume of 50 gm carbon di oxide at STP? (RB-05, CB-02, DB-03) 2
6. How many carbon atoms are there in 10 gm of diamond? (CB-02) 2
7. Find out the density of Nitrogen at STP. (CB-01) 2
8. If the density of a gas at STP is 3.954 g/L ; find out its molecular mass. (RB-00) 2
9. Write down the corollaries / deductions of Avogadro's Law. (BB-02) 2
10. What is molar volume? (SB-05, RB-03) 1
 What is mole / What do you mean by mole. (CtgB-05) 1
11. Find out the density of Oxygen gas at STP. (CB-04, CtgB-03) 2
12. What is the number of molecule in two grams of water? (SB-03 JB-08) 2
13. What is meant by vapour density? (BB-04, 02) 1
14. i) What is standard temperature? (RB-99) 1
 ii) What do you mean by standard pressure. (JB-01) 1

Broad Question
14. i) Write and prove the Avogadro's third corollary / deduction / (Third Law) (DB-04), JB-05, CB-05) 3
 ii) Prove the Avogadro's second corollary. (RB-05) 2
 iii) Prove the Avogadro's first corollary / deduction Law. (BB-02, 05) 3
15. From Avogadro's Law prove that at the same temperature and pressure, the molar volume of all gases are the same and at standard temperature and pressure it is 22.4 Litres. (CB-04, RB-02, CtgB-99, 01, RB-03, JB-99, 04, CtgB-05) 4
16. Prove that, the molar volume at same temperature and pressure is 22.4 L. (DB-99, SB-05) 4
17. Prove that the molar mass of any gas is twice its vapour density. (CB-02, RB-02, DB-05) 3
18. "Except inert gases, the molecules of all elementary gases are di-atomic" prove the deduction with an example. (RB-99, CB-01) 3
19. What is Avogadro's Law? Explain why Hydrogen and Oxygen gas are diatomic? (SB, BB-01, 02) 4
20. From Avogadro's Law, Prove the second corollary / deduction. (RB-01, DB-03, JB-00, 04) 3
21. If the Atomic mass of Al is 27 what will be the mass of one atom of Aluminium. (CB-01) pre08 3