PPT-Unit Ten: Introducing the Mole

  Whats a mole The mole is a unit of measure Just like meters tells us length and seconds tells us how much time the mole measures an amount how much Units of measure similar to mole include . “A Chemists Dozen”. The Mole – A Chemists Dozen. 1 dozen = . 12 items. 1 six-pack = . 1 hour = . 1 dollar =. 1 mole = . 602,000,000,000,000,000,000,000 entities. Because atoms and molecules are so small, chemists established their own counting unit – the mole. …. handouts on door. binders. 2. Begin the Do Now . . Track Your Progress on QUIZ . LTs. . handout . (15 min. ). . The Mole and Molar Mass!. What do the following all have in common?. What doesn’t belong?. Stoichiometry Review. The Mole . Atoms are so small, it is impossible to count them by. the dozens, thousands, or even millions.. To count atoms, we use the concept of the . mole. 1 mole of. atoms = . When . do you calculate . molar mass. ? . What is the . molar mass . of NO. 2. ?. How do you tell the difference between . one-step. and . two-step. conversions problems? . What is the. percent . of students who passed the quiz yesterday if 12 out of 18 students passed? What about 7 out of 13 students?. Closed Cultivation Systems. Open Cultivation Systems. Semi-Open Cultivation Systems. . Closed Cultivation Systems. Operates in a closed system.. All materials are added to the system at the start of the process, the system is then closed and products removed only when the process is complete.. 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?. big. concepts of Chemistry.. The mole is a . counting. number, just like. 1 dozen = . 12. things . 1 score = . 20. things . 1 ream = . 500. things . 1 mole = . 6.022 x 10. 23. . things or . 1 mole of a substance is 6.02 x 10. 23. . representative particles. .. Avogadro’s number = . 6.02 x 10. 23. Avogadro determined the difference between atoms and particles.. Representative particle. Use . the coefficients to predict the amount of reactant consumed or product formed. The ratio of the coefficients is a ratio of the moles taking part in a reaction.. Reactants (on the left of the arrow) are consumed. The Mole602 X 1023in scientific notationThis number is named in honor of Amedeo Avogadro 1776 18561 dozen cookies 12 cookies100 cookies 102 cookiesA million of cookies 106 cookies1 mole of cookies binders. 2. Begin the Do Now . . Track Your Progress on QUIZ . LTs. . handout . (15 min. ). . The Mole and Molar Mass!. What do the following all have in common?. What doesn’t belong?. Dozen. Couple. The Mole . Atoms are so small, it is impossible to count them by. the dozens, thousands, or even millions.. To count atoms, we use the concept of the . mole. 1 mole of. atoms = . That is, 1 mole of atoms = __________ atoms. First lesson of our next unit: U7 Stoichiometry . P3 Challenge – . Determine the number and kinds atoms for the chemical formula Al. 2. (SO. 4. ). 3. Today’s Objective –. Moles and particles. Assignment: . Introduction. How many jelly beans/pennies/peanuts/. etc. do you think is in this jar?. How can you make an educated guess and win these sort of contests?. Think of physical properties. Density. Volume.