Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what...
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![Page 1: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/1.jpg)
Chemical Reactions IntroductionLT 5C:Describe how the Law of Conservation of mass determines what
reactants and products will be in a reaction. • Identify the reactants and the products of a chemical reaction.• Determine how many atoms are reacting or being produced, given the formula of a
compound using subscripts and coefficients• Balance a chemical equation given the reactants and products of a reaction• Justify how chemical reactions obey the Law of Conservation of Mass
Vocabulary: • Chemical Reaction• Reactants• Products• Chemical Equation• Law of Conservation of Mass• Subscript• Coefficient
![Page 2: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/2.jpg)
Chemical Equation
• Definition:
• Pieces:– Reactants:– Products:
• Example:
![Page 3: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/3.jpg)
Making Salt
• Find 1 Na and 1 Cl• Also find the + and • Rearrange until you have NaCl.
• Reactants: _____ + _____• Products: __________• Chemical Equation: _____________________• Draw the Equation here:
![Page 4: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/4.jpg)
Carbon Dioxide!
• Find 1 C and 2 O.
• Reactants: C + O2
• Products: CO2
• Reaction Equation: ______________________• Draw the reaction here:
![Page 5: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/5.jpg)
Making Water
• Find 4 H and 2 O
• Reactants: H2 and O2
• Products: H2O• Chemical Equation: _____________________• Draw the reaction here:
![Page 6: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/6.jpg)
Subscripts and Coefficients• Subscript:
• Coefficient:
• Water example:
![Page 7: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/7.jpg)
Law of Conservation of Mass
• Definition:
• Implication:
![Page 8: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/8.jpg)
Potassium Chloride
• Products: K + Cl2• Reactants: KCl• Chemical Equation: _____________________
• Draw the equation here:
![Page 9: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/9.jpg)
With two products…
• Reactants: Mg + TiCl4
• Products: Ti + MgCl2
• Chemical Equation: _____________________
• Draw the equation here:
![Page 10: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/10.jpg)
More Practice…1
• Reactants: HgO• Products: Hg + O2
• Chemical Equation: _____________________
• Draw the equation here:
![Page 11: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/11.jpg)
More practice….2
• Reactants: KClO3
• Products: KCl + O2
• Chemical Equation: _____________________
• Draw the equation here:
![Page 12: Chemical Reactions Introduction LT 5C:Describe how the Law of Conservation of mass determines what reactants and products will be in a reaction. Identify.](https://reader036.fdocuments.us/reader036/viewer/2022062517/56649f1d5503460f94c33afa/html5/thumbnails/12.jpg)
More practice…3
• Reactants: CH4 + O2
• Products: CO2 + H2O• Chemical Equation: _____________________
• Draw the equation here: