Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Defining the change in internal energy
|
⌂E=Efinal-Einitial=Eproducts-Ereactants
|
|
|
Expressing the change in internal energy in terms of heat and work.
|
⌂E=q+w
|
|
|
Stating the firsts law of thermodynamics (law of conservation of energy)
|
⌂Euniverse=⌂ESystem+⌂Esurroundings=0
|
|
|
Determining the Work due to a change in volume at constant P (PV work).
|
w=-P⌂V
|
|
|
Relating enthalpy change to the internal energy change at constant P.
|
⌂H=⌂E+P⌂V
|
|
|
Identifying the enthalpy change with the heat gained or lost at constant P
|
qp=⌂E+P⌂V=⌂H
|
|
|
Calculating the heat absorbed or released when a substance undergoes a temp change.
|
q=c X mass X ⌂T
|
|
|
Calculating the standard Heat of reaction
|
⌂Hrxnº= Sum of m⌂Hºf(products) - Sum⌂Hºf
|
