11 particulate model (changes in state & temp curves)

PARTICULATE MODEL OF MATTER Interactive Science Volume A Chapter 11

Part (e) Heating & Cooling Curves

HEATING CURVE ,[object Object],[object Object],Part (e) ,[object Object],52 Temperature / o C Time /min Boiling point Melting point Solid state Solid & Liquid state Liquid state Liquid & gaseous state Gaseous state

Temperature / o C Time / min 0 100 Solid State Melting: Solid & Liquid States Melting begins Melting ends Liquid state Boiling: Liquid & Gas States Boiling begins Boiling ends Gas Consider the heating curve for pure water: Part (e) 53

HEATING CURVE Temperature / o C Time /min Boiling point Melting point Solid state Liquid state Gaseous state Part (e) ,[object Object],[object Object],[object Object],[object Object],54

COOLING CURVE ,[object Object],[object Object],Part (e) ,[object Object],55 Temperature / o C Time /min Condensation point Freezing point Solid state Solid & Liquid state Liquid state Liquid & gaseous state Gaseous state

Temperature / o C Time / min 0 100 Solid Melting: Solid & Liquid States Freezing begins Freezing ends Liquid Condensing: Liquid & Gas States Condensation begins Condensation ends Gas Consider the cooling curve for pure water: Part (e) 56

COOLING CURVE Part (e) Temperature / o C Time /min Condensation point Freezing point Solid state Liquid state Gaseous state ,[object Object],[object Object],[object Object],[object Object],57

[object Object],[object Object],Review Exercise (Heating & Cooling Curves) Temperature / o C Time /min 78 - 15 Solid Liquid Gas

[object Object],[object Object],Review Exercise (Heating & Cooling Curves) Temperature / o C Time /min X Solid Liquid

[object Object],[object Object],Review Exercise (Heating & Cooling Curves) Temperature / o C Time /min Melting point A B C

[object Object],Review Exercise (Heating & Cooling Curves) Temperature / o C Time /min 1 2 3 4 5 6 ,[object Object],[object Object],[object Object],[object Object]

[object Object],Review Exercise (Heating & Cooling Curves) ,[object Object],[object Object],[object Object],[object Object],Temperature / o C Time /min Y Liquid Gas

[object Object],Review Exercise (Heating & Cooling Curves) ,[object Object],[object Object],[object Object],[object Object],Temperature / o C Time /min 1 2 3 4 5 6

11 particulate model (changes in state & temp curves)

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