Thermochemistry

Created by vorhees001 

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Mr. Theisen's honors chem class.

thermochemistry

the study of energy transfers and chemical reactions

energy

the ability to do work

system

what we are observing

surroundings

everything outside of the system

inter-convertible

All forms of energy are...

kinetic

energy due to motion

potential

energy depends on position or composition

exothermic

Reactions that release energy are... Energy flows from the system to the surroundings.

endothermic

Reactions that absorb energy... Energy flows from the surroundings into the system.

thermal equilibrium

Two objects at the same T are at...

-q

Exothermic, heat leaves the system.

+q

Endothermic, heat is gained by the system.

Heat capacity

The amount of heat that most move into an entire object to raise its temperature by 1°C.

q=C∆T

Formula for the energy using heat capacity.

specific heat

the amount of heat that must move into 1.0g of a substance to raise its temperature 1°C.

q=ms∆T

Formula for energy using specific heat.

qrxn=qH2O+qcal

Calorimetry equation.

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