PP Presentation
Brrnsted - Lowry: ( sect 17.3, p. 707)
ACID - substance that donates H+ to another species HCO3- (aq) ® H+(aq) + CO32- (aq)
BASE - substance that accepts H+ from another species NH3 + H2O ® NH4+ (aq) + OH- (aq)
TYPICAL PROPERTIES of ACIDS and BASES
ACIDS
- sour tase
- corrosive
- reacts with bases
- turns natural dyes red
- generates CO2 from limestone
- generates H2 with metals
BASES
- soapy feel
- restores natural dyes to blue
- reacts with acids