Water, Weak Acids and Bases Q2 Flashcards
1
Q
Why does water have a high specific heat?
A
Due to its hydrogen bonds.
2
Q
What can cause a stronger vs a weaker hydrogen bond?
A
The direction of the bonding. IE straight vs bent.
3
Q
When delta G is negative, what does this mean for a reaction?
A
It will be spontaneous reaction.
4
Q
What is an amphipathic compound?
A
One that is both polar and non polar
5
Q
explain hypertonic vs hypotonic solutions.
A
Hypertonic is where there are more solutes in solution and hypotonic is when there is less solutes in solution.
6
Q
What is the definition of pKa?
A
It is the pH when the acid and the base are equal concentrations.
7
Q
What is the most important buffer for saliva?
A
Bicarbonate
8
Q
What are the three systems that controll the pH of the body?
A
Acid-base buffering, Respiratory center, Kidneys
