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Warm-up 1. Illustrate the equation for photosynthesis.
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1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Dec 28, 2015

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Page 1: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Warm-up

1. Illustrate the equation for photosynthesis.

Page 2: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Review and Recall

Atomic Structure

Chemical Bonding

Chemical Reactions Stoichiometry Solutions Acid/Base

Chemistry

Kinetic Molecular

Theory

Page 3: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Principles of Stoichiometry

Learning Target: Identify and solve different types of stoichiometry problems by balancing chemical equations.

By: Coach Lightfoot

Page 4: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Stoichiometry Stoichiometry: Calculations of quantities in

chemical reactions. BALANCING EQUATIONS! Indicates how much substance you end with

based on how much you started with.

▪ A + 2B AB2

▪ A3B2CD 3A + 2B + C + D

▪ A2 + 3B2 2AB3

▪ A2 + B2 2AB

Page 5: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Stoichiometry Atoms:

# of atoms in reactant = # of atoms in product. Molecules:

# of molecules in reactant = # of molecules in product. Moles: (1 dozen = ?; 1 pair = ?; 1 mole = 6.0 x

1023) A balanced equation indicates the # of moles in the

reactants and products.

N2(g) + 3H2(g) 2NH3(g)

One molecule of N2 reacts with three H2 molecules to yield 2 molecules of NH3.

Page 6: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Stoichiometry Examples

1. N2(g) + H2(g) NH3(g)

2. H2S(g) + O2(g) SO2(g) + H2O(g)

3. CO2(g) + H2O(l) C6H12O6(aq) + O2(g)

Page 7: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Stoichiometry Fun Fact…Isoamyl acetate is the molecule

found in banana flavor. In the production of banana flavor, so many molecules isoamyl acetate is produced that the molecule is also used to make air fresheners and artificial leather!

Page 8: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Try these!!! Take 2min. Identify the reaction type of each

reaction and balance.

1.H2 + I2 HI

2.Na + Cl2 NaCl

Page 9: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Summary…

What is stoichiometry? Explain the relevance of balancing

equations. How much is a mole?

Page 10: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

See you tomorrow!

Read Section 12.1

Page 11: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Warm-up

Indicate the reaction type, the amount of molecules and the amount of moles of each reactant and product:

Page 12: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Chemical Calculations

Learning Target: Identify and solve different types of stoichiometry problems using units of moles and masses of reacting particles.By: Coach Lightfoot

Page 13: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Chemical Calculations

Used to convert moles to mass and mass to moles using mole ratios!

Page 14: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Mole Ratios???

The conversion factor derived from the coefficients of a balanced equation interpreted using moles.

Page 15: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

When notating moles of substance!

1 mole of H2 WRONG!!!

1 mol of H2 WRONG!

1 mol H2

ALMOST!!!1mol H2 RIGHT!!!

Page 16: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

How We Use Mole Ratios!

Converting moles to moles!N2(g) + 3H2(g) 2NH3(g)

Calculate moles of NH3 produced when 0.60mol N2 reacts with H2.

Page 17: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

How We Use Mole Ratios!

Converting moles to mass! N2(g) + 3H2(g) 2NH3(g)

Calculate number of grams of NH3(g) produced by the reaction of 5.40g of H2(g)

with an excess of nitrogen.

Page 18: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

In Summary…

mA nB

Page 19: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Try These!!! Take 2min.

5C(s) + 2SO2(g) CS2(l) + 4CO(g)

Calculate moles of CS2 produced when 2.7mol C reacts.

Page 20: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Summary…

Moles can be converted to any other unit measurement related to the unit mole.

Page 21: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

See you tomorrow!

Study your notes!!!

Page 22: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Warm-Up

Page 23: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Review & Recall

Page 24: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Limiting Reagent and Percent Yield

Learning Target: Indicate limiting reagents in chemical rxns and calculate percent yields.By: Coach Lightfoot

Page 25: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Limiting Reagents

Take 2min: What things are the most important to consider when cooking?

Limiting Reagent: Substance in chemical rxn that used up completely. Rxn will proceed until the limiting

reagent is used up. Excess Reagent:…?

Page 26: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Percent Yield

Theoretical Yield: The amount of product that is calculated to be produced in a rxn.

Actual Yield: …? Percent Yield: Ratio of actual yield and

theoretical yield expressed as a percent.

Page 27: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Limiting Reagent and Percent Yield

Percent yield is a measure of the efficiency of a rxn carried in the lab. Ex.▪ …▪ …▪ …▪ …▪ …

Take 2min: What factors can cause actual yield to be less than the theoretical yield?

Page 28: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Fun Facts…

Page 29: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Try these!!! Take 2min.

Page 30: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Summary…

Page 31: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

See you tomorrow!

Read Section 12.3! Test Friday!

Page 32: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Warm-Up

Page 33: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Review & Recall

Page 34: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Limiting Reagent & Percent Yield

Learning Target: By: Coach Lightfoot

Page 35: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Limiting Reagent & Percent Yield

Limiting Reagent Excess Reagent

Page 36: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Limiting vs. Excess Reagents?

Limiting Reagent

Excess Reagent

Reactant that’s being used up!

Reactant that’s not being used up!

Page 37: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Determining Limiting/Excess Reagents!

Page 38: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Fun Fact!

Page 39: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Take 2min: Try these!

Page 40: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

See You Tomorrow!

Study for the Test! Quizzes and Worksheets!

Page 41: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Warm-Up

Page 42: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.
Page 43: 1. Illustrate the equation for photosynthesis.. Atomic Structure Chemical Bonding Chemical Reactions StoichiometrySolutions Acid/Base Chemistry Kinetic.

Theoretical Yield vs. Actual Yield

Theoretical Yield

Actual Yield

Maximum amount of product that could be formed from given amounts of reactants.

The amount of product that is actually formed when the rxn is carried out in the lab.