Zusammenfassung der Ressource
Ammonia
- bonding and
structure
- covalent bonding
- simple molecular
structure
- low boiling
point
- Little energy needed to
overcome weak
intermolecular forces
- collection and
drying of gases
- less dense than air,
soluble and alkaline
gas
- test for gas: turns
moist red litmus blue
- collect gas using
upward delivery
or gas syringe
- dry using fused calcium
chloride or calcium oxide
- Alkali
- Ammonium salts
- used as
fertilisers
- diffusion
- Ammonia has lower Mr of 17 than
HCl (Mr = 35.5), so it diffuses faster
- Diffusion is the constant
random movement of gas
from region of higher conc to
region of lower con