Monday, May 16Monday, May 16thth: “A” Day: “A” DayTuesday, May 17Tuesday, May 17thth: “B” Day: “B” Day

AgendaAgendaChapter 7 Review – go overChapter 7 Review – go over

Chapter 7 Jeopardy ReviewChapter 7 Jeopardy Review

Homework: Homework:

Chapter 7 Crossword PuzzleChapter 7 Crossword Puzzle

Next time:Next time:

Crossword puzzle dueCrossword puzzle due

Chapter 7 TestChapter 7 Test

Jeopardy Teams2B

Team #1: Brandon, Colin, Andrew, Taylor, BrockTeam #1: Brandon, Colin, Andrew, Taylor, Brock

Team #2: Lexi, Kate, Bill, Meghan, HallahTeam #2: Lexi, Kate, Bill, Meghan, Hallah

Team #3: Alisha, Hannah, Casey, Rowdy, SeanTeam #3: Alisha, Hannah, Casey, Rowdy, Sean

Team #4: Stephanie, Calvin, Avery, Janae, AaronTeam #4: Stephanie, Calvin, Avery, Janae, Aaron

Team #5: Tabitha, Mark, Alyssa, ErinTeam #5: Tabitha, Mark, Alyssa, Erin

Chapter 7Chapter 7““The Mole & The Mole &

Chemical Chemical Composition”Composition”

THE RULES:

There will be 5 teams

Mrs. Elfline’s decisions are final – that means no whining!

Each member of the winning team will receive $1 mole money

And now…here is the host of Jeopardy…

Mrs. Elfline(Chem teacher of awesomeness)

Let’s Get Ready to play…

Today’s Categories are:

DefinitionsDefinitions

This ‘n ThatThis ‘n That

CalculationsCalculations

CalculationsCalculations

Talk To MeTalk To Me

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$400

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DefinitionsDefinitions

$100

$200

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$400

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This ‘n ThatThis ‘n That

$100

$200

$300

$400

$500

CalculationsCalculations

$100

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$300

$400

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CalculationsCalculations

$100

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Talk To MeTalk To Me

FJFJ

The number of atoms in 1 mole of The number of atoms in 1 mole of any pure substance any pure substance

Answer…Answer…

Avogadro’s NumberAvogadro’s Number

OROR

6.022 X 10 6.022 X 10 2323

100100

The unit for molar mass The unit for molar mass

Answer…Answer…

g/moleg/mole

OROR

grams per molegrams per mole

200200

What 2 things does a chemical What 2 things does a chemical formula tell you?formula tell you?

Answer…Answer…

1. 1. WhatWhat elements are in a elements are in a compoundcompound

2. 2. How manyHow many atoms of each atoms of each element are in a compoundelement are in a compound

300300

A formula that shows the A formula that shows the simplest simplest whole-number ratiowhole-number ratio of the atoms in of the atoms in

a compounda compound

Answer…Answer…

Empirical FormulaEmpirical Formula

400400

What are isotopes? What are isotopes?

Answer…Answer…

Atoms of the same element that Atoms of the same element that have have different number of neutronsdifferent number of neutrons..

500500

Answer…Answer…

Which has more atoms: Which has more atoms: 1 mole of gold or 1 mole of silver?1 mole of gold or 1 mole of silver?

100100

They both have the same number They both have the same number of atoms, 6.022 X 10 of atoms, 6.022 X 10 2323

Answer…Answer…

How many hydrogen atoms are How many hydrogen atoms are present in 1 mole of ammonium present in 1 mole of ammonium

hydrogen phosphate, (NHhydrogen phosphate, (NH44))22HPOHPO44??

99

200200

To find the molecular formula from To find the molecular formula from the empirical formula, you need to the empirical formula, you need to

calculate…calculate…

Answer…Answer…

The Molar Mass of the Empirical The Molar Mass of the Empirical FormulaFormula

300300

As the atomic masses of the As the atomic masses of the elements in the periodic table elements in the periodic table

decreases, the number of atoms in decreases, the number of atoms in one mole of the element…one mole of the element…

Answer…Answer…

Stays the sameStays the same

1 mole = 6.022 X 10 1 mole = 6.022 X 10 2323 atoms of atoms of ANY elementANY element

400400

If a compound has a molecular If a compound has a molecular formula of Xformula of X22YY66, what is it’s , what is it’s

empirical formula?empirical formula?

Answer…Answer…

XYXY33

500500

How many atoms are present in How many atoms are present in 2.5 moles of aluminum, Al?2.5 moles of aluminum, Al?

Answer…Answer…

1.5 X 10 1.5 X 10 2424 atoms Al atoms Al

100100

How many moles of gold are present in How many moles of gold are present in 150.0 grams of Au?150.0 grams of Au?

Answer…Answer…

.76 moles Au.76 moles Au

200200

A compounds empirical formula is A compounds empirical formula is BHBH33. If the molar mass is . If the molar mass is 27.67 g/mole, what is the 27.67 g/mole, what is the

molecular formula?molecular formula?

Answer…Answer…

BB22HH66

300300

What is the percentage What is the percentage composition of HCl?composition of HCl?

Answer…Answer…

2.77 % Hydrogen2.77 % Hydrogen

97.23 % Chlorine97.23 % Chlorine

400400

Calculate the molar mass of Calculate the molar mass of calcium nitrate, Ca(NOcalcium nitrate, Ca(NO33))22..

Answer…Answer…

164.1 g/mole164.1 g/mole

500500

Calculate the molar mass of Calculate the molar mass of titanium dioxide, TiOtitanium dioxide, TiO22..

Answer…Answer…

79.87 g/mole79.87 g/mole

100100

What is the mass (in grams) of What is the mass (in grams) of 5.6 moles of sodium, Na?5.6 moles of sodium, Na?

Answer…Answer…

128.8 grams Na128.8 grams Na

200200

Calculate the average atomic Calculate the average atomic mass of rubidium if 72.17% of its mass of rubidium if 72.17% of its atoms have a mass of 84.91 amu atoms have a mass of 84.91 amu and 27.83% of its atoms have a and 27.83% of its atoms have a

mass of 86.91 amu.mass of 86.91 amu.

Answer…Answer…

85.47 amu85.47 amu

300300

What is the percentage What is the percentage composition of quartz, SiOcomposition of quartz, SiO22??

Answer…Answer…

46.75 % Si46.75 % Si

53.25 % O53.25 % O

400400

What is the empirical formula for a What is the empirical formula for a compound that is 33.36 % compound that is 33.36 %

calcium, 26.69 % sulfur, and 40.00 calcium, 26.69 % sulfur, and 40.00 % oxygen?% oxygen?

Answer…Answer…

CaSOCaSO33

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AISLE OH VIEWAISLE OH VIEW(phrase)(phrase)

Answer…Answer…

AISLE OH VIEWAISLE OH VIEW(phrase) (phrase)

I LOVE YOUI LOVE YOU

100100

SAND TACKLE LAWSSAND TACKLE LAWS(fictional character)(fictional character)

Answer…Answer…

SAND TACKLE LAWSSAND TACKLE LAWS(fictional character)(fictional character)

SANTA CLAUSSANTA CLAUS

200200

TALL MISCHIEF HER SONTALL MISCHIEF HER SON(person)(person)

Answer…Answer…

TALL MISCHIEF HER SONTALL MISCHIEF HER SON(person) (person)

THOMAS JEFFERSONTHOMAS JEFFERSON

300300

TUB RAID HEAP HUNCHTUB RAID HEAP HUNCH(TV show)(TV show)

Answer…Answer…

TUB RAID HEAP HUNCHTUB RAID HEAP HUNCH(TV show)(TV show)

THE BRADY BUNCHTHE BRADY BUNCH

400400

THUMB ILL KEY WAKE OWL THUMB ILL KEY WAKE OWL LICKS HELICKS HE

(place)(place)

Answer…Answer…

THUMB ILL KEY WAKE OWL THUMB ILL KEY WAKE OWL LICKS HELICKS HE

(place)(place)

THE MILKY WAY GALAXYTHE MILKY WAY GALAXY

500500

Daily DoubleDaily DoubleHow much do you want

to wager?

Daily DoubleDaily Double

FINALFINALJEOPARDYJEOPARDY

CATEGORY:CATEGORY:

Talk To MeTalk To Me

How much do you want to wager?

Proceed…Proceed…

Proceed…Proceed…

1. GAME IS TREE HIS SCHOOL1. GAME IS TREE HIS SCHOOL(phrase)(phrase)

2. BUCK SPUN HE2. BUCK SPUN HE(fictional character)(fictional character)

3. THESE HOUND DOVE MOO 3. THESE HOUND DOVE MOO SICKSICK

(movie)(movie)

1. CHEMISTRY IS COOL(phrase)

2. BUGS BUNNY(fictional character)

3. THE SOUND OF MUSIC(movie)

Proceed…Proceed…

Thanks for Thanks for PLAYING!PLAYING!

Jeopardy Teams1A

Team #1: Kevin, Tyler, RyanTeam #1: Kevin, Tyler, Ryan

Team #2: Sierra, Brandon, MattTeam #2: Sierra, Brandon, Matt

Team #3: Cody, Brooke, VictorTeam #3: Cody, Brooke, Victor

Team #4: Emily, Andy, JadeTeam #4: Emily, Andy, Jade

Team #5: Riley, PatTeam #5: Riley, Pat

Jeopardy Teams3B

Team #1: Cassie W, Alyssa, Devon, Sam, KyleTeam #1: Cassie W, Alyssa, Devon, Sam, Kyle

Team #2: Reid, Madi, Mirissa, Olivia, Alex V.Team #2: Reid, Madi, Mirissa, Olivia, Alex V.

Team #3: Maddi, Cassie M, Brian, GregTeam #3: Maddi, Cassie M, Brian, Greg

Team #4: Terry, Scott, Savannah, CaitlynnTeam #4: Terry, Scott, Savannah, Caitlynn

Team #5: Alex F, Billie, Kelcie, VictoriaTeam #5: Alex F, Billie, Kelcie, Victoria

Jeopardy Teams4B

Team #1: Michaela, Kaitlyn, Maddie, DJ, ErikaTeam #1: Michaela, Kaitlyn, Maddie, DJ, Erika

Team #2: Morgan A, Maui, Samantha, Travis, Team #2: Morgan A, Maui, Samantha, Travis, JessicaJessica

Team #3: Bobby, Sherri, Hannah, NathanTeam #3: Bobby, Sherri, Hannah, Nathan

Team #4: Elyce, Jenelle, Morgan D, Olivia, DanialTeam #4: Elyce, Jenelle, Morgan D, Olivia, Danial

Team #5: Connor, Julia, Nolan, Hailey, JacobTeam #5: Connor, Julia, Nolan, Hailey, Jacob

Jeopardy Teams4A

Team #1: Kylie, Alex, CortneyTeam #1: Kylie, Alex, Cortney

Team #2: Ariana, Matt W, JamieTeam #2: Ariana, Matt W, Jamie

Team #3: Anna, Cassi, AllieTeam #3: Anna, Cassi, Allie

Team #4: Kyle, Heather, ChristinaTeam #4: Kyle, Heather, Christina

Team #5: Ashley, Matt B.Team #5: Ashley, Matt B.