4
1 Heating and Cooling Curves A B C D E F Time in minutes Temperature in Celsius 0 100 0 2 6 8 10 4 12 150 -50 Curve of Water Heating

Heating and Cooling Curves - Wikispacesahschemonline.wikispaces.com/file/view/Heating and Cooling Curve... · 1 Heating and Cooling Curves A B C D E F Time in minutes sius 0 100 0

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Page 1: Heating and Cooling Curves - Wikispacesahschemonline.wikispaces.com/file/view/Heating and Cooling Curve... · 1 Heating and Cooling Curves A B C D E F Time in minutes sius 0 100 0

1

Heating and Cooling Curves

A

B C

D E

F

Time in minutes

Tem

pera

ture

in C

els

ius

0

100

0 2 6 8 10 4 12

150

-50

Curve of Water Heating

Page 2: Heating and Cooling Curves - Wikispacesahschemonline.wikispaces.com/file/view/Heating and Cooling Curve... · 1 Heating and Cooling Curves A B C D E F Time in minutes sius 0 100 0

2

Heating Curve of Water

A

B C

D E

F

Time in minutes

Te

mp

era

ture

in C

els

ius

0

100

0 2 6 8 10 4 12

150

-50

Section Time

(min)

Temp.

(°C)

State Potential

Energy

Kinetic

Energy

A-B 0-1 -50-0 S Same ↑

B-C 1-5 0 S, L ↑ Same

C-D 5-8 0-100 L Same ↑

D-E 8-10 100 L, G ↑ Same

E-F 10-12 100-150 G Same ↑

Page 3: Heating and Cooling Curves - Wikispacesahschemonline.wikispaces.com/file/view/Heating and Cooling Curve... · 1 Heating and Cooling Curves A B C D E F Time in minutes sius 0 100 0

3

Heating Curve of Water

A

B C

D E

F

Time in minutes

Te

mp

era

ture

in C

els

ius

0

100

0 2 6 8 10 4 12

150

-50

Point B =

Point D =

Melting Point

Boiling Point

Is this curve endothermic or exothermic?

Heat is added/absorbed

Page 4: Heating and Cooling Curves - Wikispacesahschemonline.wikispaces.com/file/view/Heating and Cooling Curve... · 1 Heating and Cooling Curves A B C D E F Time in minutes sius 0 100 0

4

Cooling Curve of Water

A

B C

D E

F

Time in minutes

Te

mp

era

ture

in C

els

ius

0

100

0 2 6 8 10 4 12

150

-50

Point B =

Point D =

Freezing Point

Condensation Point

Is this curve endothermic or exothermic?

Heat is removed/emitted