Q1 : Week 8 – 10/23 – 10/27
<- Week 7 – Week 9 -> Jump to: Tuesday, Wednesday, Thursday, Friday
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If you have not already please join the REMIND for this class.
Please Make sure Your read all instructions for all assignments.
LAB 4 – Metal Foils Lab is Late!
________________________________________________________ Jump to: Monday Homework 10/23 – Monday – B Day – 2, 3b/4 Lab
a) To Complete Lab 6 and complete error analysis. b) To complete Mole/particle concept c) To begin Lab 7 – empirical formula of Copper Iodide
Period 2 :
1. Complete Mole concept and particle theory
a) Worlds smallest movie – Scanning Tunneling Microscopy, piezo-electric crystals
b) Mole concept lesson – diagram, conversions
2. Note-taking of how to complete the Lab 7 – Empirical Formula of copper iodide – adding mass lab
Period 3b :
1. Complete Lab 6 – Empirical Formula of magnesium hydrate –
a) Complete all calculations and hand in
b) Mole concept lesson – diagram, conversions
Period 4 –
1. Lab 7 – Empirical Formula of Copper Iodide – adding mass lab
a) Formal lab write – up
Particle / Mole Theory Presentation:
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Lab 7 – Synthesis of Copper Iodide (and determination of the empirical Formula of copper iodide)
Lab 7 – Synthesis of Copper Iodide.pdf
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This Lab will be our first formal lab. I am giving out a data worksheet to keep you organized in your data collection but it will not be handed in. You will write a data section and calculation section in your formal lab write-up that will be in a google doc that will be shared to you in next couple of days.
Cu (s) + I2 (g) —> Cu? I?
We now know that Copper has 2 oxidation states, thus we are trying to identify if Cu lost 1 electron or 2 electrons?
Objectives: 1. To determine the empirical formula of the salt (product).
2. To determine the percent yield of the salt.
We will take notes on how to perform this lab.
Lab 7 : Synthesis of Copper Iodide
_______________________________________________________ jump to: top 10/23 – Monday’s Homework: –
*Next year complete Stoichiometry 1 – balance yield.pdf before the Analytical quiz 1 – There is a percent yield question that needs attention 1st.
1. Lab 5 & 6 are due for both classes. Lab 6 just has calculations and no conclusion but Lab 5 does have a conclusion. Do not just list errors. Completely explain why your experimental outcome was lower or higher than the theoretical.
2. Please complete UP TO BUT NOT INCLUDING g) or i) of the the take-home quiz. I need to to teach one more concept in order to complete the quiz.
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________________________________________________________________________ Jump to: Tuesday Homework / top 10/24 – Tuesday – A Day – 2/3a Lab, 4
Period 2/3a :
2. Begin/complete the data collection of the Lab 7 3. Start the calculations/write-up of the Lab 4. TEACH % yield, balanced reaction and stoichiometry 5. Begin the formal write – up on shared google doc.
Formal Lab Write-up Instructions: https://mrgrodskichemistry.com/lab-7-formal-write-up/
Period 4 :
Formal Lab Write-up Instructions: https://mrgrodskichemistry.com/lab-7-formal-write-up/
Both classes will complete all of your calculations from Lab 7 that lead to your
% Yield = experimental x 100 theoretical
____________________________________________________________
Lab 7 – Synthesis of Copper Iodide (and determination of the empirical Formula of copper iodide)
Lab 7 – Synthesis of Copper Iodide.pdf
View Download
This Lab will be our first formal lab. I am giving out a data worksheet to keep you organized in your data collection but it will not be handed in. You will write a data section and calculation section in your formal lab write-up that will be in a google doc that will be shared to you in next couple of days.
Cu (s) + I2 (g) —> Cu? I?
We now know that Copper has 2 oxidation states, thus we are trying to identify if Cu lost 1 electron or 2 electrons?
Objectives: 1. To determine the empirical formula of the salt (product).
2. To determine the percent yield of the salt.
We will take notes on how to perform this lab.
Formal Lab Write-up Instructions: https://mrgrodskichemistry.com/lab-7-formal-write-up/
Lab 7 : Synthesis of Copper Iodide
2 : Lab 7 review – This might help with your calculations!
_____________________________________________________ jump to: top 10/24 – Tuesday’s Homework: –
1. Please view Lecture 1.3 with the worksheet below.
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1: AP Lecture 1.3 : Stoichiometry and percent yield
________________________________________________________________________________ Jump to: Wednesday Homework / top 10/25 – Wednesday – B Day – 2, 3b/4 Lab
Period 2, 3b:
Homework Review– connected the problem concepts with stoichiometry of compounds and stoichiometry of chemical reactions
Types of Chemical Analysis we have studied:
a) % by mass – (Hydrate Labs)
b) combustion analysis
c) precipitation analysis – ( lab we will complete next week)
1. Percent by mass —–> empirical formula/molecular formula
empiri&molec ditto hydrate combination KEY p.pdf
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2. Combustion analysis —> percent by mass —> empirical/molecular formula
Analytical Chemistry I KEY- determining chemical formulas.pdf
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3. Stoichiometry of ions, precipitation analysis
Analytical Chemistry II KEY NEW – Mol,Dilution, precipitation analysis.pdf View Download
4. Quiz / Form review:
Analytical quiz 1 – Hydrate, precipitation, and Stioch KEY.pdf
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5. Formal Lab Write-up Instructions: https://mrgrodskichemistry.com/lab-7-formal-write-up/
Period 4:
1. Lab Quiz – activity –
– Complete a lab similar to the copper iodide lab
– work handed in individually but will work in lab groups
_________________________________________________________ jump to: top 10/25 – Wednesday Homework: –
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d) Write a procedure that has numbered with each step. DO NOT WRITE A PARAGRAPH!
A procedure has to clear enough that someone who is not in our class can follow to repeat the experiment.
Formal Lab Write-up Instructions: https://mrgrodskichemistry.com/lab-7-formal-write-up/
1: Lecture 1.5 : Molarity Stoichiometry
___________________________________________________________ Jump to: Thursday Homework /top 10/26 – Thursday – A Day – 2/3a Lab, 4
b) Observe the hydrogen explosions with incorrect ratios and incorrect ratios.
Period 2:
1. Complete the homework check for period 2 only.
2. LGI Hydrogen Ballons demo
3. Conservation of mass presentation – balancing chemical reactions –> Mole Ratios –> Stoichiometry
– Begin presentation for the Space Shuttle/ Hindenburg
Period 3a:
4. Video analysis of explosions
5. Presentation for the Space Shuttle/ Hindenburg
Period 4:
1. LGI Hydrogen Ballons demo
Conservation of Mass Notes:
A. Flaming Flask Demo/Whoosh Demo:
This means 2 H2 molecules per 1 O2 is needed to maximize the reaction and thus maximize the energy released. If this ratios in the reaction are not 2 to 1 then the reaction will be less efficient with some unreacted reactants and a lower amount of energy released. Sometime the reaction will not even run at all if the ratios are poor.
Conservation of Mass Presentation:
______________________________________________________ jump to: top 10/26 – Thursday Homework: –
2. Please view the Limiting reagent Lecture that teaches the chart method of calculating the limiting reagent. Complete side ONLY with me. How could this method made last night’s homework easier?
3. Please complete Stiochiometry 3 – ICE Table Molarity Salsa.pdf which is really the second problem the homework Last night (Stiochiometry 3 – Molarity limiting reagent.pdf). So please redo that limiting reagent problem using the ICE Table method. Don’t be mad that this way is simpler!!!
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1 : The Flaming Tube Demo – for the lecture below!
2 : Limiting Reagent Lecture – Teaches the chart method!
This Year – Period 2 : Hydrogen Balloon Explosion Comparison:
2 H2 (g) + O2 (g) —> 2 H20 + Energy
.______________________________________________________________________ Jump to: Friday Homework/top 10/27 – Friday – B Day – 2, 3b/4 Lab
b) To review the stoichiometry of how to determine the Limiting Reagent and the Excess Chemical. c) To review the Stoichiometry Table in limiting reagent problems
Period 2, 3b:
*Check homework for 3b today!
1. Complete the Hydrogen Balloon explosion analysis – When did we make good cake?
2. Complete the Space shuttle and Hindenburg disasters
– determine limiting reagent in their explosions.
100% Hydrogen balloon was the Hindenburg
2 : 1 ratio balloon was the The Challenger.
3. Flaming Tube Demo – solve for the limiting reagent/excess chemical
Period 4:
1. Lab 7 – Precipitation Analysis
Take notes on Lab 8 – Precipitation Analysis – notes and begin.
This Year – Period 2 : Hydrogen Balloon Explosion Comparison:
2 H2 (g) + O2 (g) —> 2 H20 + Energy
This Year – Period 4 : Hydrogen Balloon Explosion Comparison:
2 H2 (g) + O2 (g) —> 2 H20 + Energy
_________________________________________________________________________________________ Lab 8 – Precipitation Analysis of an Alkali carbonate
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_______________________________________________ jump to: top 10/27 – Friday’s Homework: –
1. Please make sure the following parts of the formal lab write-up of Lab 7 is completed for Monday in the shared doc that was sent you earlier this week:
a) Title Page –
b) Background
c) Objectives –
d) Materials –
e) Procedure –
f) Data Table
g) Calculations
*These items were assigned for Wednesday night this week.
PRESENTATION IS AS IMPORTANT AS THE CONTENT!!! Make it professional!
All instructions along with examples can be found in the link below.
Formal Lab Write-up Instructions: https://mrgrodskichemistry.com/lab-7-formal-write-up/