Chapter 6 Flashcards
(7 cards)
1
Q
enthalpy
A
the total heat content of a system, represented by H
2
Q
first law of thermodynamics
A
delta E = q + w
3
Q
positive q value
A
if heat is gained or absorbed
4
Q
negative q value
A
if heat is released or lost
5
Q
positive w value
A
if work is done ON the system
6
Q
negative w value
A
if work is done by the system
7
Q
hess’ law equation
A
change in enthalpy of the reaction = (sum of (moles * heat of formation) of products) - (sum of (moles * heat of formation) of reactants)
