THERMODYANAmas
r4 phqstu thet dotls cWEth tho
Themelynamies ts the branth
nteres n vTLLM of
ncep+ df ha.a+ a n d e m b a T a t u T e and th
hent und ther rmi df
enenq y
rtmolyn amicS is a maerdsto þie siance. anod dlealu bWk
th
tm'an e olsasq04 qo ent the moleruta consi4utin of mattas
Ther moelynamies vatiable i
tmpoature aned mas
Pesun, Volume,
A diabate twatl- An insulating wul anel dlo es not allsw
Lo 0enegy C'ha at) Jri m on slole to an vth
Otathsmto
OthLme wall - Condutttnq to all whtek alto #uw 4 anerqy
Tm onme to anlbther
Thermal equilibtiu
When a C4ldbodly tmas in eontaue i t h a hot booty thun th
haatLow: frord th hot b»olies to told boelies .hen thie is
oaled thermal' eqilibuum
Zutth Law +hirmo cly namies
lus dyotums tn +hermal equiibrum w&th a
-thlnd systim sapaTately
ar e in hurmal equilibuium w£ th eath oth
C
be The interrnai enerqt ü
Cum
#ha
the Kinetit and potentia
neates d tho 0s molacules
Fenst w the7maclynamut
narg uppliael to a systtm (4q) qoas in partkaruy40 inorease
t h iiternal
anergt 4 thu syi tem (au) and neut tn
1 the surrsundings wo7k(a
A = AU+ Aw
h syethm i
a 9a3tfi a movablo piston ,thea
th pistin dss wook ên movna
Aad h dortk done ?e
gvn bu
A W PAV
A = AUt PAV|
, Rotatdon between
Cp nd C
the let Lau bf modlynamics
Wl hawe
AQ AU+ PaV
I abeobed a t ontant+ volumtho
Aa
AV-Oo
C AQ Cat co netunt volum
AT
AD
AT
CyA
4T
-O
Q io tbeorbed
a t cene+ant PTess ur
CA, *
Ce t )
From +h idleal
C mele
PAV R
AT
-
Subtra 2na ea a r d
Cp- C A U + R- (
AT
- Cy R
Therm duname p7teass
O 0-thermal pho c.ess -hu procass in which ** þar dtr
f b Masy4am d thsduano w ieiitl0o
r4 phqstu thet dotls cWEth tho
Themelynamies ts the branth
nteres n vTLLM of
ncep+ df ha.a+ a n d e m b a T a t u T e and th
hent und ther rmi df
enenq y
rtmolyn amicS is a maerdsto þie siance. anod dlealu bWk
th
tm'an e olsasq04 qo ent the moleruta consi4utin of mattas
Ther moelynamies vatiable i
tmpoature aned mas
Pesun, Volume,
A diabate twatl- An insulating wul anel dlo es not allsw
Lo 0enegy C'ha at) Jri m on slole to an vth
Otathsmto
OthLme wall - Condutttnq to all whtek alto #uw 4 anerqy
Tm onme to anlbther
Thermal equilibtiu
When a C4ldbodly tmas in eontaue i t h a hot booty thun th
haatLow: frord th hot b»olies to told boelies .hen thie is
oaled thermal' eqilibuum
Zutth Law +hirmo cly namies
lus dyotums tn +hermal equiibrum w&th a
-thlnd systim sapaTately
ar e in hurmal equilibuium w£ th eath oth
C
be The interrnai enerqt ü
Cum
#ha
the Kinetit and potentia
neates d tho 0s molacules
Fenst w the7maclynamut
narg uppliael to a systtm (4q) qoas in partkaruy40 inorease
t h iiternal
anergt 4 thu syi tem (au) and neut tn
1 the surrsundings wo7k(a
A = AU+ Aw
h syethm i
a 9a3tfi a movablo piston ,thea
th pistin dss wook ên movna
Aad h dortk done ?e
gvn bu
A W PAV
A = AUt PAV|
, Rotatdon between
Cp nd C
the let Lau bf modlynamics
Wl hawe
AQ AU+ PaV
I abeobed a t ontant+ volumtho
Aa
AV-Oo
C AQ Cat co netunt volum
AT
AD
AT
CyA
4T
-O
Q io tbeorbed
a t cene+ant PTess ur
CA, *
Ce t )
From +h idleal
C mele
PAV R
AT
-
Subtra 2na ea a r d
Cp- C A U + R- (
AT
- Cy R
Therm duname p7teass
O 0-thermal pho c.ess -hu procass in which ** þar dtr
f b Masy4am d thsduano w ieiitl0o
