THERMODYNAMICS Flashcards
1
Q
Kinetic energy formula
A
KE = 1/2(m)(v^2)
2
Q
w formulas (3)
A
w = -P ∆V
w = ∆n RT
w = F x S
3
Q
∆U formulas (2)
A
∆U = Ufinal - Uinitial
∆U = q + w
4
Q
q formulas (3)
A
q = mc ∆t
c = q/m ∆t
q =n x H
5
Q
∆H formula (2)
A
∆H = ∆U + ∆PV
∆Hr = σ qrxn/nlimiting
6
Q
+q
A
absorbs heat (endothermic)
7
Q
-q
A
releases heat (exothermic)
8
Q
+w
A
on the system
9
Q
-w
A
by the system
10
Q
Chemical reactions in solutions in CALORIMETER
A
qrxn = -Csoln msoln ∆Tsoln
11
Q
Chemical reactions NOT IN SOLUTION
A
qrxn = -Ccal mcal ∆Tcal
12
Q
+H
A
absorb energy (endothermic)
13
Q
-H
A
release energy (exothermic)
14
Q
∆rH° formula
A
∆rH°= Σ ∆fH°product - Σ∆iH°reactant
15
Q
A
