Physical Chem Flashcards
1
Q
Relationship between pressure and boiling point
A
Pressure down, boiling point down.
No good tea up a mountain, water boiled too cold.
2
Q
Molarity calculatuon
A
moles of solute
—‐———————–
L solution
3
Q
Molality =
A
Moles of solute
—–‐———————
Mass of solvent
4
Q
Moles
A
Molecular mass
5
Q
Effect of addition of solute to boiling point
A
Raises bp
6
Q
Effect of addition of solute to freezing point
A
Lowers freezing point
7
Q
If a molecule splits into two in water it will have ——— the effect on freezing or boiling point.
A
Twice
8
Q
If 2 molecules join together (eg forms dimers) in water, it will have ——- the effect on boiling and freezing point
A
Half
