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Heat Energy (Heat of phase change (heat of fusion (amount of heat to melt…
Heat Energy
Heat of phase change
no temperature change
heat of fusion
amount of heat to melt one unit of material
units
American- British
American Metric
S.I. Metric
heat of vaporization
amount of heat to vaporize one unit of material
units
S.I Metric
American- British
American Metric
phase change
exothermic
endothermic
absorbs energy
measured in
Units
American-British
BTU
British Thermal Units
1BTU raises 1 pound of water by 1°F
S.I. Metric
Joules
4.2 J = 1 cal
1 J =1 kg. m^2/s^2
amount of energy to accelerate 1 kg of mass for 1meter at a rate of 1m/s^2
American metric
calories
food Calories
1 Calorie = 1kcal = 1000 cal
I calorie raises 1 g of water by 1°C
speed of molecules
temperature
endothermic
? energy
Temperature ?
specific heat
every material has a unique specifc heat
stored as
kinetic heat energy
exothermic
releases ?
? decreases
Specific Heat
units
American-British
number of BTUs to raise 1 lb. of matter by 1°F
S.I. Metric
number of Joules to raise 1 g of matter by 1K
American metric
number of calories to raise 1g of matter by 1K