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Time
Tem
pera
ture
Cooling Curve
liquid
freezing solid
Time
Tem
pera
ture
Heating Curve
liquid
meltingsolid
Substance Melting PointProcaine 61oC
Flurochloridone 66oCParaffin 72oC
Pentanoic Acid 76oCNaphthalene 79oC
L-Phenylalanine 83oCQuinoline 86oC
Time
Tem
pera
ture
Heating Curve
liquid
meltingsolid
hot
Heat ALWAYS flows from hot objectsto cooler objects
…until the temperatures
are equal.
coolHeat Flow
cools down heats uploses heat gains heat
warm warmequal temp’s
hot
Heat ALWAYS flows from hot objectsto cooler objects
…until the temperatures
are equal.cool
hot hot100oC
Time
Tem
pera
ture
Heating Curve
liquid
meltingsolid
hot
Heat ALWAYS flows from hot objectsto cooler objects
…until the temperatures
are equal.
cool
coolcool50oC
Time
Tem
pera
ture
Cooling Curve
liquid
freezing solid
Tem
pera
ture
solid
liquid
gas
Time
Heating Curve for Water
0o
100o
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