Endothermic and Exothermic Reactions
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Endothermic
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Absorbs energy
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Exothermic
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Releases energy
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12 Terms
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Endothermic
Absorbs energy
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Exothermic
Releases energy
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Heat
type of kinetic energy measured in J or Kj
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specific heat capacity
the amount of heat required to raise the temp of 1g of a substance by 1 degree
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Calorimetry
a measurement of the transfer of heat into or out of a system during a chemical reaction
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heat capacity formula
q=mcΔT
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Enthalpy
a thermodynamic quantity equivalent to the total heat of the system.
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ΔH
change in enthalpy
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+ΔH
endothermic
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-ΔH
exothermic
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Source of error
- heat loss to the environment
- Uneven heat distribution in water
- incomplete combustion
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