The Mole. A counting unit similar to a dozen, except instead of 12, it’s 602 billion trillion 602,000,000,000,000,000,000,000 6.02 X 10 23 (in scientific.

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Presentation transcript:

The Mole

A counting unit similar to a dozen, except instead of 12, it’s 602 billion trillion 602,000,000,000,000,000,000, X (in scientific notation) Amedeo Avogadro (1776 – 1856) This number is named in honor of Amedeo Avogadro (1776 – 1856), and is called Avogadro’s Number.

The Mole (mol) 1 mole of cookies = 6.02 x cookies 1 mole of cars = 6.02 x cars 1 mole of Al = 6.02 x ? 1 mole of Al = 6.02 x Al atoms 1 mole of water = ? 1 mole of H 2 O = 6.02 x H 2 O molecules

“How Big is a Mole” Find This Worksheet In Your Notebook Mole Worksheet

How big is a mole? How many cents are in one mole of pennies?

How big is a mole? How many cents are in one mole of pennies? 6.02 x ¢

How big is a mole? How many dollars are in 6.02 x ¢?

How big is a mole? How many dollars are in 6.02 x ¢? = $6.02 x x ¢ 100¢ $1

How big is a mole? There are about 7.0 billion (7.0 x 10 9 ) people on earth. If we divided the 1 mole of pennies ($6.02 x ) equally among all the people on earth how many dollars would you have?

How big is a mole? There are about 7.0 billion (7.0 x 10 9 ) people on earth. If we divided the 1 mole of pennies ($6.02 x ) equally among all the people on earth how many dollars would you have? $8.6 x /person

How big is a mole? There are about 7.0 billion (7.0 x 10 9 ) people on earth. If we divided the 1 mole of pennies ($6.02 x ) equally among all the people on earth how many dollars would you have? $6.02 x x 10 9 people = $8.6 x /person $860,000,000,000 = 860 billion dollars

How big is a mole? How many years would it take you to spend your 860 billion dollars ($8.6 x ) if you spent $94,000 per day?

How big is a mole? How many years would it take you to spend your 860 billion dollars ($8.6 x ) if you spent $94,000 per day? 25,000 years

How big is a mole? How many years would it take you to spend your 860 billion dollars if you spent $94,000 per day? $8.6 x $94,000 day 365 days year = 25,000 years

Neanderthals died out about 25,000 years ago

If you had one wish, what would it be?

Would you wish to be a “millionaire”?

“Mollionaire”

Homework  Homework: Factor Label Problems Worksheet (problems 1 – 10). - Due tomorrow.

Finish the “How Big is a Mole Worksheet” with your lab partner.

The thickness of one page in your chemistry textbook is about cm. How many meters is this?

What is the thickness of one page in your chemistry book in meters? cm cm 0.01 m = m

How many meters high would a stack of one mole of pages be?

6.02 x pages page m = 3.9 x m

The distance to the moon is 380,000,000m. If you took your stack of papers from problem 6 and broke it down into smaller stacks, how many stacks of papers could you make from the earth to the moon?

3.9 x m The distance to the moon is 380,000,000m. If you took the 3.9 x m stack of papers, how many stacks of papers could be made from the earth to the moon? 3.9 x m 380,000,000 m stack = 1.0 x stacks 1.0 x stacks = 100,000,000,000 stacks

1 mole of pages would be enough to build 100 billion stacks of paper to the moon.

Homework  Homework: Factor Label Problems Worksheet (problems 1 – 10).

Homework  Homework: Factor Label Method Worksheet 2.  The equalities below will be useful for this assignment: L = dm 3 ml = cm 3