Homework Answers

 

Last updated: Saturday, February 9, 2019 12:11 PM

 

Page Number of Booklet
Links Related to Homework

2013-14 If you forgot or never learned sig figs, you need this.

2013-14: Also see textbook p 394 for sig figs section

No, the molecules are not exercising! Shown are their 3 basic vibrational motions: assymetric stretch, bending and symmetric stretch. These motions make water a powerful greenhouse gas. A subtlety associated with one of the vibrations is responsible for water and ice's intrinsic blue color.

Chemistry of Dry Ice

The Candle

KMT Problems from Textbook

Gas Law Simulations

(minor error: unless they fixed it already, names of laws reversed)

PV Animated

Nice superslow video of liquid oxygen.


Avoid Volume to Mass Errors

Extra Stencil (Exo-Endo and Bonds Extra Exercise)

Underestimating James Bond's Energies

Calorimetry p44-45

Extra Calorimetry p46

Neat--- the deep bass pulses air across the base of the flame, cooling it enough to extinguish it.

Catalyst Inhibitor Stencil

Animation of Speed Distribution

The ‘rosette’ spots of a jaguar can be reproduced by two coupled activator–inhibitor processes.

Photosynthesis Diagram

A chromatogram with a 50-50 mixture of acetone-alcohol reveals that photosystems consist of more than 1 pigment (from 800mainstreet.com)

Rate Mechanism and Photosynthesis Slide Show

Extra Notes to help you with HW

How to calculate average chalk rate consumption in g/min. Think. It's easy

 

Example of champagne equilibrium

 

 

Thanks to Shahnawaz and Kaarthipan for the animated gif!

 
Here is some time lapse photography to reveal how silver crystals grow from the reduction of silver ions and the oxidation of copper. I used one frame per 11 seconds.
 
 
June 2012 Answers MC(1-7) , 8, 9 ,10, 11, 12, 13, 14, 15, 16 ,17, 18, 19, 19part2, chem joke

Exercise Booklet (in case you've forgotten it in locker)



Scratches, soap streaks and dust all influence the pattern of crystallization as humidity meets its frosted fate on the windows of our cold classroom.