AP/gen chem Thermochemistry
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8 Terms
Heat of endothermic process
Because the products are at a lower temp, the surroundings cool down to reheat the product and make equilibrium.
Heat of exothermic process
Cause the products are higher temp the surroundings must heat up to make eq
Heat transfer equation
q=mcAT, q=heat, m=mass, c=specific heat, AT= temp change
aqueous solution math
Products and reactions are system, water is surroundings. Heat gained by water is = to heat l/g by R/P
Delta:H
Find by: experiment, using average bond energies, enthalpies of formation, and hess law
q(rxn) vs delta:H(rxn)
q= the heat lost or gained in the experiment
Delta:H the heat lost or gained in balanced chemical equation when system is at constant P
Call average bond energies
Make Lewis structures count bonds then add them up to reactants -products
°
25C 1ATM
Note 
Flashcards (26)