Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to…...
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Transcript of Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to…...
![Page 1: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/1.jpg)
Do Now:Explain this joke.
![Page 2: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/2.jpg)
Let’s make some visual models with M&M’s
You will be able to…8.5(D) recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts;8.5(F) recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass.
KeyRed-Chlorine
Orange-Sodium
Yellow-OxygenGreen-Hydrogen
Blue- Carbon
![Page 3: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/3.jpg)
H2O
Review: How to make a molecule…
No Subscript, There is only 1 atom of oxygen in the molecule
Subscript
Visual modelFormula
![Page 4: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/4.jpg)
H2O
Review: How to make a molecule…
No Subscript, There is only 1 atom of oxygen in the molecule
Subscript
Visual modelFormula
H2O2
![Page 5: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/5.jpg)
6 H2O
Review: How to make a molecule…Visual modelFormula
Coefficient- How many molecules you have.
![Page 6: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/6.jpg)
H2O
1 molecule of H2O
![Page 7: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/7.jpg)
3 H2O
3 molecules of H2O
![Page 8: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/8.jpg)
Let’s make some visual models with M&M’s
You will be able to…8.5(D) recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts;8.5(F) recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass.
KeyRed-Chlorine
Orange-Sodium
Yellow-OxygenGreen-Hydrogen
Blue- Carbon
![Page 9: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/9.jpg)
Let’s now model another chemical equation with our M&M’s…
Reactants products
Chemical equation
C + O2 CO2
Visual model
+
Word equation
To yield
Number of atoms
1 atom carbon react with 1 molecule oxygen 1 molecule CO2
1 carbon 2 oxygen 1 carbon 2 oxygen
![Page 10: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/10.jpg)
Is it a balanced equation? How do we know?
Reactants products
Chemical equation
C + O2 CO2
Visual model
+
Word equation
Number of atoms
1 atom carbon + 1 molecule oxygen 1 molecule CO2
1 carbon 2 oxygen 1 carbon 2 oxygen
![Page 11: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/11.jpg)
Law of Conservation of Mass
Matter is not created or destroyed, it just changes forms.In a chemical reaction…
![Page 12: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/12.jpg)
Evidence of a chemical reaction: (chemical change)
• Production of a gas (bubbling, fizzing or foaming)• A change in temperature or light (an energy change)• Appearance of a precipitate (solid material)• A change in color
![Page 13: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/13.jpg)
More practice…
Reactants products
Chemical equation
2C + 2O2 3CO2
Visual model
+
Word equation
To yield
Number of atoms
2 atoms carbon react with 2 molecule oxygen
3 molecules CO2
Is it balanced?
2 carbons 4 oxygen 3 carbons 6 oxygens
![Page 14: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/14.jpg)
With a partner…
Instructions:1. Create visual models for the rest of the chemical
equations.2. Draw an label the visual models.
3. For each equation complete the following stem:
The equation is/is not balanced because…
Chlorine
Sodium
Oxygen
Hydrogen
Carbon
Color Key
![Page 15: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/15.jpg)
![Page 16: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/16.jpg)
The model above is best represented by:a. H2O
b. 2OHc. HOOHd. H2O2
![Page 17: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/17.jpg)
The above model shows:a. 10 atomsb. 2 moleculesc. 2CH3Cl
d. All of the above
![Page 18: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/18.jpg)
![Page 19: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/19.jpg)
![Page 20: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/20.jpg)
![Page 21: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/21.jpg)
![Page 22: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/22.jpg)
![Page 23: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/23.jpg)
![Page 24: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/24.jpg)
6CO2+ 6H20+ Sun’s light C6H12O6+6O2
The above reaction…a. is photosynthesisb. Is respirationc. Transforms radiant energy into chemical
energyd. Both a and c.
![Page 25: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/25.jpg)
Organic Molecules all contain…
a. Sulfurb. Carbonc. Oxygend. nitrogen
![Page 26: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/26.jpg)
All of the following are organic molecules except…
a. C6H12O6
b. CH4
c. C6H6O
d. H20
![Page 27: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/27.jpg)
![Page 28: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/28.jpg)
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![Page 30: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/30.jpg)
Yesterday we…
investigated how evidence of chemical reactions indicates that new substances with different properties are formed.
![Page 31: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/31.jpg)
Evidence of a chemical reaction: (chemical change)
• Production of a gas (bubbling, fizzing or foaming)• A change in temperature or light (an energy change)• Appearance of a precipitate (solid material)• A change in color
![Page 32: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/32.jpg)
A chemical equation tells the story of a chemical reaction. Our combustion reaction again…
Reactants products
Physical properties
White crystal To yield
Black crystal/powderGas produced
Chemical equation
C12H22O11 + 12 O2 12 CO2 + 11 H2O
Visual model
+
+
Number of atoms 12 atoms carbon+ 22 atoms hydrogen+ 35
oxygen atoms
12 atoms carbon+ 22 atoms hydrogen+ 35
oxygen atoms
![Page 33: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/33.jpg)
Chemical Reaction Dehydration of sugar…
Reactants products
Physical properties
White crystal To yield
Black crystal/powder and white gas
Chemical equation
C12H22O11 12 C + 11 H2O (vapor)
Visual model
+
Number of atoms 12 carbons 22 Hydrogen 11 oxygen
12 carbons 22 hydrogens 11 oxygens
![Page 34: Do Now: Explain this joke.. Let’s make some visual models with M&M’s You will be able to… 8.5(D) recognize that chemical formulas are used to identify.](https://reader035.fdocuments.in/reader035/viewer/2022062516/56649e555503460f94b4d4aa/html5/thumbnails/34.jpg)
Chemistry Practice with Qwizdom Remotes
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