PPT-The Mole Thursday, 1/7 What is a mole?

1 mole of a substance is 602 x 10 23 representative particles Avogadros number 602 x 10 23 Avogadro determined the difference between atoms and particles Representative particle. Hi I'm Malcolm the mole. habitat. . You might have seen my house roof but there is a little Chance of you seeing me or other . moles. because I live Under the ground . You can find moles in woodland, grassland and farmland And all around the U.K. If you find a mole hole don’t kick it down because The moles babies are under there.. Chemistry 3/18/19. Drill. Write down these questions. While watching the video clips, write the answers, and when done, discuss with your row:. Why is airbag use in cars important?. What is the chemistry involved in air bag inflation?. Diagnosis and evaluation of postmolar GTN. Case Scenario . A 21 year old . nulligravida. presents with bleeding during early pregnancy. Last normal menses was 9 weeks ago, home urine pregnancy test was positive 2 weeks ago, and she has been spotting for two days with heavier bleeding the last 6 hours.. The Mole. Chemist’s counting number. amount. of a substance . 1 mole is equal to 6.022 x 10. 23. atoms or particles or molecules (Avogadro’s number). There are always 6.022 x 10. 23 . particles in . La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . Chemical Quantities. Measuring doughnuts:. 1 dozen = 12 doughnuts (count) . 1 dozen = 500 g doughnuts (mass). 1 dozen = 1 box doughnuts (volume). Measuring steam (H. 2. O gas):. 1 mole = 6.02 x 10. 23 . David Strauch Thesis Committee Lyndon Wester Chairperson Mary McDonald Matt McGranaghan Keywords Mole Cultural b12 Speaking of mole13 Getting a taste of mole47 62 Aspects of Mesoamerican plant dom The Mole in Chemistry . Not this!!. Not this!!!. The Mole. The mole is a counting unit. 1 pair = 2. 1 dozen = 12. 1 mole = 6.022 x 10. 23. atoms. This number is known as Avogadro’s number after Italian chemist . Chapter 9. History. About 200 years ago scientists needed a unit of measure that connected the mass of a molecule or atom with how many of them there were. . Amadeo Avogadro proposed his hypothesis in 1811. At that time, there was no data on the number of particles in a mole, or an agreement on any atomic weights or the standard. . 2 C. 4. H. 10. + 13 O. 2. ---> 8 CO. 2. + 10 H. 2. O . Show . what the following molar ratios should be.. a. . C. 4. H. 10. / O. 2. . 2:13. b. O. 2. / CO. 2. c. O. 2. / H. 2. O. d. C. 4. 23. How do you measure how much?. You can measure mass, . or volume,. or you can count pieces.. We measure mass in grams.. We measure volume in liters.. We count pieces in . MOLES.. . Counting. . Counting words are used to simplify a description of a number of items. . What is Molar Mass? . What is a Mole? . In Latin . mole . means a "massive heap" of material.. A MASSIVE HEAP . - A front end loader operator moves mountain of sugar like sand inside the sugar warehouse at the Port of Palm Beach. (Mark Randall, Sun Sentinel). The amount of a substance that contains:. 6.02 x 10. 23 . particles (atoms, molecules, formula units). . 22.4 L (volume). X grams (molar mass). Put simply:. A mole is a unit of . The Horse – Charlie Mackesy. Many people have enjoyed reading this book during lockdown – have you heard of the book? Have you read it?. The stories are about four friends – the boy, the mole, the fox and the horse and their deep, unshakeable friendship. Through a series of brief but profound conversations, the reader learns universal truths and rich wisdom from the mouths of the characters celebrating warmth and empathy..