Acids and Bases Flashcards
1
Q
How can you tell if a base is weak?
A
If it doesn’t fully ionise in an aqueous solution
2
Q
How can you tell if an acid is weak?
A
If it doesn’t fully ionise in water.
3
Q
What is always the product when an acid is neutralised by a base?
A
a salt
4
Q
What are the products when an acid reacts with a carbonate?
A
Carbon dioxide, water and a salt
5
Q
Name a weak base.
A
ammonia (NH3)
6
Q
what’s the equation for heat energy transfer?
A
heat energy transferred=mass×specific heat capacity×temperature change
Q = mcΔT
7
Q
What is the equation of molular enthalpy change?
A
Molar enthalpy change = heat energy transferred ÷ moles.
ΔH = Q ÷ mol
8
Q
A
