The Haber Process is one of the most important manipulations of an equilibrium reaction system in industry today.  Read and summarize the attached article on "energy changes and reversible reactions."  Note that the reading is three pages; you have to click through the pages to advance.

 

Read section 17.3 A in your textbook on LeChatlier's Principle and summarize the section, including sample exercises 17.4, 17.5 and 17.6

Read/Review sections 17.1 and 17.2 in your text and complete questions (10-17) on page 628 at the end of the chapter.

research online and write a summary about catalysts and how they affect reaction rate including how they are used in real world applications.

Watch the Khan Academy video attached here that introduces you to reaction mechanisms and how they relate to the rate law, and take notes or summarize the lesson.  We briefly touched on the concept of mechanisms in class and will cover them more thoroughly.  If you are taking an AP exam on Thursday, you need not do this assignment until Friday.

 

Review section 17.1 from your textbook and complete questions (1-9) at the end of the chapter on page 628.

We have just begun looking at the study of reaction rates.  For HW, read and summarize section 17.1 in your textbook.

No HW for the weekend

Parallel Quiz precipitation

research on line and write a summary of real life applications of electrolysis (not hair removal), and especially electrolysis of water

Read and summarize sections 18.1 and 18.3 from your textbook on the topics of oxidation-reduction reactions and electrochemistry

Quiz on precipitates today.  Notes due as well.

study for the quiz on precipitates (notes/labs 4/19 thru 4/30).  Bring notes Wednesday so we can organize them.  Quiz will be on Thursday.

Read and summarize the attached article on Copper Metal Pollution effects on the environment

 

Do online research on the town of Hinkley, California and their exposure to hexavalent chromium ions in the ground water. 

Write a summary indicating who was responsible, how and why; and what the affects of exposure had on the people, as well as how the problem of the chromium was addressed and dealt with.

Do online research of the following heavy metal ions: lead, copper, barium, and chromium.  Summarize your findings on their negative affects on living organisms.

Review section 8.1 in your textbook on Precipitation Reactions and complete questions (12-16) from the attached Chapter 8.1 file.  Reminder that the solubility rules are found on page 245 of your textbook (Table 8.1 and Figure 8.3).

Review section 8.1 from your textbook and complete questions (1-11) from the attached chapter 8.1 file

Read and summarize section 8.1 in your textbook and complete the section 8.1 review questions (1-6) at the bottom of page 253

Research effects of carbon dioxide from  fossil fuels on the oceans and write a summary that extends beyond that which we did in class with our video

Review chapter 16 and your notes and lab work on acids and bases to complete questions 27-36 from the attached chapter 16 file

Review chapter 16 in your textbook on acids and bases and complete questions 17-26 from the attached chapter 16 file.

Read and summarize section 16.3 from your textbook on titrations and buffers.

Read and summarize section 16.1 and 16.2 on acids, bases and pH

• Change the solution to nickel chloride (green) and change the concentration to about 250 mM. Then keep changing the light wavelengths and measure absorbance.  Create an absorption spectrum for nickel chloride.  Identify the wavelength of maximum absorption for this solution.
• Set the wavelength to that of maximum absorbance and then adjust the concentration five different times and record the absorbance values.  Prepare a Beer's Law graph of your data.
• Calculate the slope of your line and write a straight line equation.
• A sample of water polluted with nickel ions has an absorbance of 0.039; use your equation to calculate the concentration of nickel ions.
• Research online the EPA safe level for nickel in water.  Determine if your polluted water sample is safe or not.

Read sections 15.1 and 15.5 from your text and complete questions 1-11 from the attached chapter 15 file

Today in class we were introduced to "spectrophotometry" with the pHET simulation.  For HW, research "spectrophotometry" online and write a summary of how we use it, including sketching a picture of how the spectrophotometer works inside.

 

The copper solution you are making in lab is an example of a heavy metal ion that can harm natural water systems.  For HW, do online research about heavy metal ion pollution in the environment.  Write a summary that includes: the sources, the negative effects of these metal ions, and solutions to removing them from the environment.

Read and summarize section 15.2 from your textbook on describing solution composition for homework.. Its related to the work we completed in class today.

Quiz today and your notes are due.  In addition to going over your notes, study your practice classwork from today, yesterday and last Thursday to prepare.

 

Topics include:

Review section 13.3 on Kinetic Molecular Theory in your textbook (and your notes from Brown and LeMay text in class) to complete questions 46-52 on pages 482-483 in your text.

Today in lab we looked again at the energy change of a fuel combustion.  The hydrogen gas was the fuel.  For HW tonight read and summarize section 10.4 in your text on "using energy in the real world," and complete the section 10.4 review questions (1-7) at the bottom of page 350.

Today we studied and experimented with the oxidation of a metal by the hydrogen ion of an acid.  As a follow-up to this, read section 18.1 (pages 636-641) on oxidation-reduction reactions, write a summary of the section, and complete section 18.1 review questions (1-5) at the bottom of page 641.

Review your lab notes from class and chapter 13 to complete these questions on page 480-481 of your textbook (1,2,3,11,12,21,22,31,32)

Read section 13.3 and summarize the section, then complete questions 34-42 from the attached chapter 13 file (the file is two pages.  Those questions are on the second page)

For HW tonight read and summarize section 13.2 form your textbook.  This section takes a deeper look into the behavior of gases.

Final team report on global climate change due today typed.

Look over your rough draft that you got back in class today and look over the handout I gave you for cleaning it up for the final draft.  The handout is included here as the second page of the attached file.

Read section 13.1 in your textbook and complete questions 1-14 from the attached chapter 13 file

Your individual section of your team global climate change report rough draft is due today

For tonight's homework, work on your rough draft of the group climate change project.  It is due Thursday

Currently, we are studying combustion reactions, their products (especially the greenhouse gas carbon dioxide), and energy changes in combustion reactions.  For homework, read and summarize section 10.1 (energy, temperature and heat), and complete the section 10.1 review questions (1-6) at the bottom of page 325.

No HW for the weekend

Quiz today

Honors chem also includes determining limiting reactants and percentages if we cover it by Thursday

Read and summarize section 9.2 and complete the 9.2 section review questions (1-6) at the bottom of page 295

Read/Review section 9.1 and 9.2 from your textbook and complete questions 1-7 on page 310.

Read and summarize section 9.1 from your textbook and complete the section 9.1 Review Questions (1-5) at the bottom of page 287.

Complete questions 33-35 on page 235 and make models for each like you did in class

review sections 7.1 and 7.2 from your text and read section 7.3.  Complete questions 1-12 on page 234 of your text

No HW due

Homework is to organize your notes and study for the quiz Friday (empirical and molecular formulas and formulas for hydrated salts).  Notes due Friday.

Review section 7.1 and 7.2 from your text and complete questions 1-8 from the attached chapter 7 file

We are moving from composition of matter to changes in composition (chemical reactions).  For homework read and summarize section 7.1 and 7.2 from your text and complete section review 7.1 (1-3) at the bottom of page 219.

Review chapter 6 of your textbook and complete questions 12-18 (on empirical and molecular formulas) from the attached chapter 6 file

Do an online research of "Hydrated salts."  Write a summary that characterizes hydrated salts.  Then do an online search of "Hydrated salts on Mars," and include in your summary what we know about this topic based on recent NASA findings.

Study for quiz composition of matter (molar mass, % composition, empirical formula)

Read and summarize section 6.3 of your text on empirical and molecular formulas.

Use your notes and practice from class the past two days to complete question 19 (molar mass) and question 28 (% composition) from pages 211-212 of your textbook.  The answers are given in the back of the text, but you must show your work (set-up/calculations) for credit.

Read section 6.1 and 6.2 and use your notes to complete questions (1-11) from the attached Chapter 6 file.