Thermodynamics Flashcards
1
Q
Extensive properties
A
Internal energy, heat cap, enthalpy, entropy, free energy
2
Q
Intensive properties
A
P, MP, BP, density, viscosity, RI, conc, specific heat capacity
3
Q
w by sys
A
-ve
4
Q
Free expansion
A
Pext = 0 or in vacuum
5
Q
For reversible process, Δu, ΔT =
A
0
6
Q
Enthalpy ΔH =
A
ΔU + PΔV
7
Q
q =
A
CΔT
8
Q
Cp - Cv =
A
R universal gas const
9
Q
ΔH or q(rev) =
A
TΔS
10
Q
Solid to liq to gas, entropy
A
increases
11
Q
2nd law
A
Entropy of universe increase for every spontaneous change
12
Q
ΔStot > 0
A
spontaneous
13
Q
Gibb’s free energy
A
ΔG = ΔH - TΔS
14
Q
Tf =
A
9/5Tc + 32
15
Q
L` =
A
L(1+αΔT)
16
Q
A`=
A
AβΔT
17
Q
α:β:γ
A
1:2:3
18
Q
For pendullum ΔT =
A
1/2TαΔθ
19
Q
Thermal stress
A
YαΔT
20
Q
Specific Heat Capacity
A
Q = mSΔT
21
Q
Specific heat cap of water =
A
4200 J/kg K