Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday)...

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Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW 5.1 (Bookwork) CH 5 #’s 1, 14, 16, 20-24 all, 27, 32-37 all, 95, 103 HW-WS 8 (Worksheet) (from course website) HOMEWORK – DUE TUESDAY 9/29/15 HW-BW 5.2 (Bookwork) CH 5 #’s 43, 46, 48, 50, 53, 54, 56, 58, 59, 62, 70, 73, 75, 96, 116, 118 HW-WS 9 (Worksheet) (from course website) Lab Wednesday/Thursday – EXP 6 (2 day lab) -- PRE LAB!!! Nomenclature Quiz!!

Transcript of Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday)...

Page 1: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday)

HW-BW 5.1 (Bookwork) CH 5 #’s 1, 14, 16, 20-24 all, 27, 32-37 all, 95, 103 HW-WS 8 (Worksheet) (from course website)

HOMEWORK – DUE TUESDAY 9/29/15 HW-BW 5.2 (Bookwork) CH 5 #’s 43, 46, 48, 50, 53, 54, 56, 58, 59, 62, 70,

73, 75, 96, 116, 118 HW-WS 9 (Worksheet) (from course website)

Lab Wednesday/Thursday – EXP 6 (2 day lab) -- PRE LAB!!! Nomenclature Quiz!!

Page 2: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

SO32-

(aq) + MnO4−

(aq) → SO42-

(aq) + Mn2+(aq)

S2O32-

(aq) + Cl2(g) → SO42-

(aq) + Cl-(aq)

5 SO32-

(aq) + 2 MnO4−

(aq) + 6 H+(aq) → 5 SO4

2-(aq) + 2 Mn2+

(aq) + 3 H2O(l)

S2O32-

(aq) + 5 H2O(l) + 4 Cl2(g) → 2 SO42-

(aq) + 10 H+(aq) + 8 Cl-

(aq)

Page 3: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

Cl2(g) → ClO-(aq) + Cl-

(aq)

Balance in basic conditions

H2O2(aq) + ClO2(aq) → ClO2-(aq) + O2(g)

H2O2(aq) + 2 OH-(aq) + 2 ClO2(aq) → 2 ClO2

-(aq) + O2(g) + 2 H2O(l)

Cl2(g) + 2 OH-(aq) → ClO-

(aq) + Cl-(aq) + H2O

Page 4: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

GasIndefinite (variable) shape

Indefinite (variable) volume

Highly compressible

HUGE amounts of space

Highly disordered!!

Lots of KINETIC energy

Low relative density

Page 5: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

PressurePressure is:

“Amount of force per unit area”

Force = mass x acceleration

F = M x A F = M x A

how much how fast

Page 6: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

PressureUnits of standard pressure:

atmosphere: 1 atm =

millimeters of mercury: 760 mmHg

torr: 760 torr

kilopascal: 101.325 kPa

Page 7: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

Pressure

Pressure depends on two things:

1) Energy of collisions

HEAT!!!

Page 8: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

LOWER pressure HIGHER pressure

LOWER temperature HIGHER temperature

Page 9: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

PressurePressure depends on two things:

2) Frequency of collisions

Effected by how fast the particles are moving

1) Energy of collisions

HEAT!!!

Page 10: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

LOWER pressure HIGHER pressure

LOWER temperature HIGHER temperature

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“Laws”

TEMPERATURE MUST BE IN KELVIN!!!!

Gay-Lussac’s Law – Temperature and Pressure

Temperature and pressure are directly proportional

= kP

T

1 2

1 2

P P

T T

assumes volume and # of particles are constant

P must remain constant

T

Page 12: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

PressurePressure depends on two things:

2) Frequency of collisions

Effected by how fast the particles are moving

1) Energy of collisions

HEAT!!!

Effected by how many particles there are

Page 13: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

LOWER pressure HIGHER pressure

FEWER particles MORE particles

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“Laws”Avogadro’s Law – Particles and Volume

Particles and volume are directly proportional

= kV

n

1 2

1 2

V V

n n

assumes temperature and pressure are constant

V must remain constant

n

Page 15: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

PressurePressure depends on two things:

2) Frequency of collisions

Effected by how fast the particles are moving

1) Energy of collisions

HEAT!!!

Effected by how many particles there are

Effected by how far the particles have to travel

Page 16: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

LOWER pressure HIGHER pressure

LARGER volume SMALLER volume

Page 17: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

“Laws”

P x V must remain constant

assumes temperature and # of particles are constant

Boyle’s Law – Pressure and Volume

Volume and pressure are inversely related

P1V1 = P2V2

PV = k

Page 18: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

HIGHER temperature LOWER temperature

LARGER volume SMALLER volume

Page 19: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

“Laws”

TEMPERATURE MUST BE IN KELVIN!!!!

Charles’s Law – Temperature and Volume

Temperature and volume are directly proportional

= kV

T

1 2

1 2

V V

T T

assumes pressure and # of particles are constant

V must remain constant

T

Page 20: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

“Laws”Combined Gas Law – Pressure, Temperature and Volume

Combination of Boyle’s, Charles’s, and Gay-Lussac’s

assumes # of particles is constant

P1V1 = P2V2

1 2

1 2

V V

T T 1 2

1 2

P P

T T

1 1 2 2

1 2

P V P V

T T

Page 21: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

“Laws”Combined Gas Law – Pressure, Temperature and Volume

Combination of Boyle’s, Charles’s, and Gay-Lussac’s

assumes # of particles is constant

1 1 2 2

1 2

P V P V

T T

Page 22: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

“ “Laws” ”“Super Combined Gas Law” – Pressure, Temperature, Particles, and Volume

Combination of Boyle’s, Charles’s, Avogadro’s, and Gay-Lussac’s

1 1 2 2

1 1 2 2

P V P V

T n T n

Page 23: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

“ “Laws” ”

1 1 2 2

1 1 2 2

P V P V

T n T n

P V

T n

P T

P n

V T

V n

You need to know how these variables are related

Page 24: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

23315.0 11.7

298

Ka

t

Km atm

A steel container filled with nitrous oxide at 15.0 atm is cooled from 25.0 ºC to -40.0 ºC. What is the relationship between temperature and pressure? What is the final pressure.

Working with Gas Laws

T so P must

1 25.0 273 298T K 2 40.0 273 233T KTEMPERATURE MUST BE KELVIN!

233

298

298

233or

15.0 atm233

15.0298

aK

tm K

Page 25: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

12

11

2 2PTT

P

V

V

1 1 2 2

1 2

P V P V

T T 1

211

2 2PTT

P

V

V

Working with Gas Laws

1 512P torr

2 1.417V L

1 25.5 T oC

2 1.875P atm

1 750.0V mL

2 ?T oC

11

512 0.67368760

P atm

torr atmtorr

2 3

11.417 1417

1 10V

mL L mL

L

1 25.5 273.15 298.65T oC K

12

1

2

12

V 1417

V 7

T 298.6P 1.875

P 0.6736T

58

5

0.0

atm

atm

mL K

mL2

21

12

1

P 1.875

P 0.67

V 141

368

7

V 750.

T 298.65T 1570.4

03

atm

mL

mat Lm

K K

2 1570.43 273.15T K2 1570.43 273.15 1297.28T oC K 32 1570.43 273.15 1297.28 1.30 10T o oC C K

A sample of an unknown gas has a volume of 750.0 mL and a pressure of 512 torr when its temperature is 25.5 oC. What will the temperature (oC) of the gas be if the volume is expanded to 1.417 L and the pressure is increased to 1.875 atm?

Page 26: Emancipation Proclamation Issued (1862) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HOMEWORK – DUE THURSDAY 9/24/15 (will accept Tuesday) HW-BW.

A sample of an unknown gas has a volume of 750.0 mL and a pressure of 512 torr when its temperature is 25.5 oC. What will the temperature (oC) of the gas be if the volume is expanded to 1.417 L and the pressure is increased to 1.875 atm?

Working with Gas Laws

1 512P torr

1 750.0V mL

1 25.5 T oC

2 1.875P atm

2 1.417V L

2 ?T oC1 25.5 273.15 298.65T oC K

2T 21.875

T 2912

.5

8 65 atm

K

torr21.875 760

51T 298.6

25

1

atm torr

torr K

atm21.875 1.417

7

760

51 50.T 298.65

2 1 0

atm torr

torr K

atm

L

mL 321.417 1

750.0 1 10

1.875 760T 298.6

1 15

5 2

atm torr

torr

L mL

atm mL K

L321.875 760 1.417 1

750.0 1 10T 298.65 1570.4

5 13

12

atm torr

torr a

L m

tm

L

mL L K K2T 298.65 K

2 1570.43 273.15T K2 1570.43 273.15 1297.28T oC K 32 1570.43 273.15 1297.28 1.30 10T o oC C K

P

V