Monday, January 11, 2010

 

Mon-Day 1

Bio 3/6 - we finished disorders of the digestive tract by discussing the causes, mechanism, and effects of diarrhea (too little water reabsorption from colon into blood) and constipation (too much water reabsorption from colon into blood).

We discussed the life process of regulation as controlled by the endocrine system (the nervous system is also a key regulatory system) via a system of glands that secrete hormones that affect specific target cells.
We did an example of how your hypothalamus, pituitary, and thyroid glands work together to maintain metabolic/respiratory homeostasis.

We finished our discussion of the salivary amylase digestion of starch lab.

AP Chem- we did the first of many daily descriptive chemistry review sheets.
We then discussed phase diagrams, how to interpret them and decipher such data as the triple point, the critical point, the normal boiling and freezing points, and whether the solid or liquid phase is denser.

As for tomorrow's test on the vacation assignment/colligative properties/Raoult's Law, expect questions on the following subtopics:

transition metal-ligand complex naming and formulas as well as writing a balanced equation for metal-ligand complex formation.

electron configurations of transition metal ions

colligative properties of solutions of non-electrolytes, weak electrolytes (e.g. weak acids), and strong electrolytes (e.g. soluble salts) with respect to freezing point depression, boiling point elevation, and osmotic pressure elevation in every permutation of the formulas including the determination of the molar mass of the solute.

application of Raoult's Law and Dalton's Law in determining the mole fractions of solvent and solute in the liquid phase and in the vapor phase.

application of Raoult's Law in determining the vapor pressure lowering effect of adding a solute to a solvent and in determining the molar mass of a solute

inferring the relative solute-solute, solute-solvent, and solvent-solvent degrees of attraction given a positive or negative deviation from Raoult's Law and drawing this result graphically.



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