welcome to chemistry i-2!
DESCRIPTION
Welcome to Chemistry I-2!. Review of Important Chemistry I-1 topics of science! Nomenclature (writing formulas and names) Balancing Equations Gram / Mole / Atom / Molecule conversions. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/1.jpg)
Welcome to Chemistry I-2!
• Review of Important Chemistry I-1 topics of science!– Nomenclature (writing
formulas and names)– Balancing Equations– Gram / Mole / Atom /
Molecule conversions
SAVE PAPER AND INK!!! When you print out the notes on PowerPoint, print "Handouts" instead of
"Slides" in the print setup. Also, turn off the backgrounds (Tools>Options>Print>UNcheck
"Background Printing")!
![Page 2: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/2.jpg)
Predicting Charges on Monatomic IonsPredicting Charges on Monatomic IonsKNOW THESE !!!!KNOW THESE !!!!
+1 +2 -3 -2 -1 0
Cd+2
![Page 3: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/3.jpg)
Nomenclature Summary Flowchart
![Page 4: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/4.jpg)
Practice Round 1!Practice Round 1!
1. Dinitrogen monoxide
2. Potassium sulfide
3. Copper (II) nitrite
4. Hydrosulfuric acid
5. Chromium (III) sulfate
6. Iron (III) sulfite
7. Calcium oxide
8. Barium carbonate
9. Iodine monochloride
10. Phosphoric acid
![Page 5: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/5.jpg)
Practice Round 2!Practice Round 2!1. BaI2
2. HCl (aq)
3. Ca(OH)2
4. Fe2(CO3)3
5. Na2Cr2O7
6. I2O5
7. Cu(ClO4)2
8. CS2
9. HNO2
10. H2CrO4
![Page 6: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/6.jpg)
– When balancing a chemical reaction you may add coefficients in front of the compounds to balance the reaction, but
you may notnot change the subscripts.
• Changing the subscripts changes the compound. Subscripts are determined by the valence electrons (charges for ionic or sharing for covalent)
Balancing EquationsBalancing Equations
![Page 7: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/7.jpg)
Balancing EquationsBalancing EquationsBalancing EquationsBalancing EquationsSodium phosphate + iron (III) oxide Sodium phosphate + iron (III) oxide
sodium oxide + iron (III) phosphatesodium oxide + iron (III) phosphate
NaNa33POPO44 + Fe + Fe22OO33 ----> ---->
NaNa22O + FePOO + FePO44
![Page 8: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/8.jpg)
Balancing Balancing EquationsEquationsBalancing Balancing EquationsEquations
____C____C33HH88(g) + _____ O(g) + _____ O22(g) ---->(g) ---->
_____CO_____CO22(g) + _____ H(g) + _____ H22O(g)O(g)
____B____B44HH1010(g) + _____ O(g) + _____ O22(g) ---->(g) ---->
___ B___ B22OO33(g) + _____ H(g) + _____ H22O(g)O(g)
![Page 9: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/9.jpg)
The MoleThe Mole
• A counting unit• Similar to a dozen, except instead
of 12, it’s 602,000,000,000,000,000,000,000
• 6.02 X 1023 (in scientific notation)• This number is named in honor of
Amedeo Avogadro (1776 – 1856)Amedeo Avogadro (1776 – 1856)
![Page 10: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/10.jpg)
• The Mass of 1 mole (in grams)
• Equal to the numerical value of the average
atomic mass (get from periodic table), or add
the atoms together for a molecule
1 mole of C atoms = 12.0 g
1 mole of Mg atoms = 24.3 g
1 mole of Cu atoms = 63.5 g
1 mole of O2 molecules = 32.0 g
Molar MassMolar Mass
![Page 11: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/11.jpg)
molar mass Avogadro’s number Grams Moles particles
Everything must go through Moles!!!
CalculationsCalculations
![Page 12: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/12.jpg)
Learning Check!Learning Check!
How many atoms of K are present in 78.4 g of K?
![Page 13: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/13.jpg)
Learning CheckLearning Check!!
What is the mass (in grams) of 1.20 X 1024 molecules of glucose (C6H12O6)?
![Page 14: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/14.jpg)
Learning Check!Learning Check!
How many atoms of O are present in 78.1 g of oxygen?
![Page 15: Welcome to Chemistry I-2!](https://reader036.vdocuments.net/reader036/viewer/2022062519/5681541a550346895dc2167b/html5/thumbnails/15.jpg)
Quiz Wednesday!Quiz Wednesday!
Be prepared!