Chemistry 11

Today we looked at electron configuration in atoms and learned why the Bohr Model isn't actually the "real" model of the atom.   It does give us some important information though about how electrons can gain or lose electrons to form stable configurations.

Homework:  Hebden: 1) pg.  149      the whole table needs to be done for tomorrow.
 2) pg. 150 Ex: 23 a, c, e and f

Biology 12

Today we got to go to an ICBC presentation in the library.

Due tomorrow:  Effect of Temperature on Enzyme Activity Lab

Module Questions due tomorrow:  A-C (should be done already, A and B are marked)   E and F (1,3,4 and 5)

Biology 12

Today we wrapped up work on the Digestive system.

Took notes on absorption of nutrients in the small intestine.      Finished off the digestion power point up to insulin/glucagon.

Due in class:   Digestive Enzyme Table

******Last day for Effect of Temperature on Enzymes lab:   Tuesday, April 27th.  

Chemistry 11

Today we made yummy decorated cookies to help illustrate the concept of limiting and excess reactants. 

Next we took notes on Atomic Theory and learned how to find the number of neutrons, protons and electrons in an atom or ion. 

Hebden homework:  pg. 149  Ex:  22  a-f

Chemistry 11

We wrote the stoichiometry test today.  Good Work!   There were some tough questions on there, some of which will be bonus marks.

1) Next we completed lab:  6D.  Answer all questions (not the follow-up) and write a conclusion.   In your conclusion remember to link back to the objectives and list sources of error.

2)  Read page 139-141 in Hebden.  Do exercises #1-4 and #6 pg. 142

Both of these are due tomorrow.  

Biology 12

Today we took notes on the enzymes involved in Chemical Digestion.

Digestion worksheet due tomorrow.

Also due on Wednesday is the lab:  Effect of Temperature on Enzymes.  No introduction required, but you do need to answer all questions and write a conclusion.

On Wednesday we will do the Fetal Pig Dissection.   Here are some good you tube videos demonstrating how:

https://www.youtube.com/watch?v=juW8CM0QDH4

https://www.youtube.com/watch?v=awXzbnRmnu8

https://www.youtube.com/watch?v=5hVasOMtRto

Chemistry 11

Today we took notes and watched a video on the new unit (Unit 5):  Atomic Theory

We also took some time to work on the Unit 4 Review.   Here are some selected answers to qestions:

2)  Change in temperature, change in colour, change of state, precipitate formed, gas given off or smell given off.

4)  Bond forming releases energy.

5b)    SiF₄  +  8NaOH Na₄SiO₄  + 4NaF + 4H₂O

6 and 7a)  Decomposition:   Ba(ClO₃)_2(s)  BaCl_2(s)   +  3O_2(g)

6 and 7c)  Double Replacement (Acid/Base Neutralization) 

H₂C₂O₄  +  Mg(OH)₂ 2H₂O  +  MgC₂O₄ 

8a)  Zn  +  I₂ ZnI₂

 

9b) 9.8 x 10⁴ g Cl₂      

10a) 1.28 x 10³ L O₂ 

10b) 6.25 mole Na

13) 51.1 g of PbCl2 can be obtained

14) 3.36 g of NH4Cl can be obtained