Thermochemistry Flashcards
Temperature definition
The average kinetic energy of particles in a substance
Heat definition
A form of energy
Systems definition
Part of the universe on which we wish to focus attention
Surroundings definition
Includes everything else in the universe
Exothermic
Energy flows out of the system and given to surroundings
Endothermic
Heat flows into a system and absorbed from surroundings
Potential energy definition
Energy due to position or composition stored energy
Kinetic energy definition
Energy due to motion of the object and depends on the mass of the object and its velocity
Equilibrium definition
When two objects that come into contact with one another and the heat from the warmer object moves into the cooler object until they are equal in temp
Water specific heat
4.184 cal/g C
Calorimetry equation for heat energy
q=mc🔼T
Define each variable in the heat energy equation
q = heat energy (Joules)
m = mass (grams)
c = specific heat (Joules/grams C)
🔼T = change in temp (Original temp-new temp)
