Osmolarity
What is the movement of solvent particles through a semipermeable membrane from a region of low to high concentration?
Osmosis
Is HCl a strong or weak acid?
Strong acid
What is the equation for PH?
-log (H3O+)
What is the equation for Ka?
((H30+) (A-)) / (HA)
What is boric acid used for?
Antiseptcis for the eyes
What is the pressure necessary to prevent osmosis?
Osmotic pressure
Is LiOH a strong or weak base?
Strong Base
What is the equation for POH?
-log (OH-)
What is the equation for Pka?
-logKa
Where is hydrochloric acid used in the body?
In the stomach to help with digestion
Number of particles X M(molarity)
Is CH3COOH a strong or weak acid?
Weak Acid
What is the PH of a 0.01 M HCl?
-log (0.01) = 2
The higher the Ka value __________
The lower the Ka value ___________
Stronger the weak acid
Weaker the weak acid
What is ammonia used for?
As a fertilizer or cleaning agent
A patient has a 0.2M of CaF₂ solution. What is the osmotic pressure?
0.6 osmol
Is CA(OH)2 a strong or weak base?
Weak Base
What is the POH of a 0.05 Ba(OH)2 solution?
-log (2 x 0.05) = 1
The higher the Pka ____________
The lower the Pka ______________
Weaker the weak acid
Stronger the weak acid
What is vinegar (acetic acid) used for?
For cooking & preservatives
A patient has a .15 M of KCl3 solution. What is the osmotic pressure? What would happen to the patient's RBCs?
0.6 osmol: Shrink
Is Ga(OH)3 a strong or weak base?
Weak base
What is the POH of a 0.05 M H2So4 solution?
-log (2 x 0.05 ) = 1
14-1 = 13!
Arranged the Pka values from strongest to weakest
1.) 4.74
2.) 2.46
3.) 2.76
B, C, A
What are tums used for?
Neutralizes acids and bases in the stomach so it can help with pain