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Last night’s homework:. Problems 4-6 on page 282 Questions 7-11 on page 283. Write chemical equations for each of the following reactions. In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

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last night s homework
Last night’s homework:

Problems 4-6 on page 282

Questions 7-11 on page 283

slide3

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

slide4

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

slide5

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide6

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide7

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide8

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide9

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3+ NaCl

slide10

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3+ NaCl

slide11

In water, iron(III) chloride reacts with sodium hydroxide, producing solid iron(III) hydroxide and sodium chloride.

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide13

Fe

Cl

Na

O

H

Fe

Cl

Na

O

H

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide14

Fe 1

Cl 3

Na 1

O 1

H 1

Fe 1

Cl 1

Na 1

O 3

H 3

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide15

Fe 1

Cl 3

Na 1

O 1

H 1

Fe 1

Cl 1

Na 1

O 3

H 3

FeCl3 + NaOH→ Fe(OH)3 + NaCl

slide16

Fe 1

Cl 3

Na 1

O 1

H 1

Fe 1

Cl 1

Na 1

O 3

H 3

FeCl3 + NaOH→ Fe(OH)3 + 3NaCl

slide17

Fe 1

Cl 3

Na 1

O 1

H 1

Fe 1

Cl3

Na 3

O 3

H 3

FeCl3 + NaOH→ Fe(OH)3 + 3NaCl

slide18

Fe 1

Cl 3

Na 1

O 1

H 1

Fe 1

Cl 3

Na 3

O 3

H 3

FeCl3 + NaOH→ Fe(OH)3 + 3NaCl

slide19

Fe 1

Cl 3

Na 1

O 1

H 1

Fe 1

Cl 3

Na 3

O 3

H 3

FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

slide20

Fe 1

Cl 3

Na 3

O 3

H 3

Fe 1

Cl 3

Na 3

O 3

H 3

FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

slide21

Fe 1

Cl 3

Na 3

O 3

H 3

Fe 1

Cl 3

Na 3

O 3

H 3

FeCl3 + 3NaOH → Fe(OH)3 + 3NaCl

slide22

5. Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxide gas.

slide23

5. Liquid carbon disulfide reacts with oxygen gas, producing carbon dioxide gas and sulfur dioxide gas.

CS2 + O2→ CO2 + SO2

slide25

C

O

S

C

O

S

CS2 + O2→ CO2 + SO2

slide26

C 1

O 2

S 2

C 1

O 4

S 1

CS2 + O2→ CO2 + SO2

slide27

C 1

O 2

S 2

C 1

O 4

S 1

CS2 + O2→ CO2 + 2SO2

slide28

C 1

O 2

S 2

C 1

O 6

S 2

CS2 + O2→ CO2 + 2SO2

slide29

C 1

O 2

S 2

C 1

O 6

S 2

CS2 + 3O2→ CO2 + 2SO2

slide30

C 1

O 6

S 2

C 1

O 6

S 2

CS2 + 3O2→ CO2 + 2SO2

slide31

C 1

O 6

S 2

C 1

O 6

S 2

CS2 + 3O2→ CO2 + 2SO2

slide33

6. Solid zinc and aqueous hydrogen sulfate react to produce hydrogen gas and aqueous zinc sulfate.

Zn+ H2SO4→ H2 + ZnSO4

slide34

Zn

H

S

O

Zn

H

S

O

Zn+ H2SO4→ H2 + ZnSO4

slide35

Zn 1

H 2

S 1

O 4

Zn 1

H 2

S 1

O 4

Zn+ H2SO4→ H2 + ZnSO4

slide37

List three types of evidence that a chemical reaction has occurred.

Changes in:

      • Temperature
      • Color

Appearance of:

      • Odor
      • Gas bubbles
      • Solid precipitate
slide39

8. Compare and contrast a skeleton equation and a chemical equation.

Both show formulas of reactants and products.

Chemical equation also shows relative amounts.

slide42

10. When balancing a chemical equation, can you adjust the number that is subscripted to a substance formula?

slide43

10. When balancing a chemical equation, can you adjust the number that is subscripted to a substance formula?

No

slide44

10. When balancing a chemical equation, can you adjust the number that is subscripted to a substance formula?

No

H2O → H2 + O2

slide45

10. When balancing a chemical equation, can you adjust the number that is subscripted to a substance formula?

No

H2O → H2 + O2

H2O2 → H2 + O2

slide46

11. Why is it important that to reduce the coefficients in a balanced equation to the lowest possible whole-number ratio?

slide47

11. Why is it important that to reduce the coefficients in a balanced equation to the lowest possible whole-number ratio?

Clearly shows the

relative amounts.

.