J
trJ{
TRUONG
EH
SU'PHAM TP.HCM
CONG UOA
XA HOI
CHU NCHiA
VTN:[ NAM
KHOA VAT Li
Dqc l6p
-
Tu
do
-
Hqnh
pn,i"
-
:
il
THI
KET THUC
HQC PHAN
Mdn: vdr
li HAT
NHAN
Lop.: Ly
III
-
Cir
nhfln

gidi
thich cAu tnic si6u
tinh t6 cua
v4ch
quang ph6.
c) Ap
dpng:
VE
so dd
chuy€n mric ctra
cdc v4ch
ph6
ilK
ung
vdi
su
chuy6n mric tir
mric
'q,,
xu6ng mfc
2S,,r.
Cffu 2: Hi(n twqng
phfrn
rd
phdng
xg
H4t nhdn
2r0Poph6n
rd alpha
(a)

tr€n chinh ld t6ng dQng ndng cira c6c
h4t sau
phin
rd).
-@
gangchukib6nrdcira
''oPo)m6ut6ara
ndnglugngla4kJ. :=-
/
*
Cho bi€t: sO
Avogadro:
No
:6,03.1023h4t
nhdn/mol, chu ki bdn rd
cta
2roPo
le 138
"*"t.
Cffu 3: Phdn thng
nhi(t ttgch
DiAu
kiQn dO
phdn
img
nhiQt hach xiy ra ld
c6c h4t nhdn nhg
ph6i
c6 dQng ndng du l6n de
chring

6t2
t
-
138.10-23
J/K, 6o
=8,85.10-r2ai-l
r\
-
rrJo,rv
J/
l\,
&0
-(
l\.m
'
b) Tr0n thqc tti thi
phan
yng
nhiet h4ch
c6 th€ xdy ra md
46ng.
cAn
d4t ddn nhiQt dQ o tr6n.
H6y
vQn
dsng
hi€u
biOt
cria
anh

h4ch ta
cAn
phii
c6 c6c
y€u
cAu
ndo?
/
'
Cdn
bO coi thi
kh6ng
giai
thich
gi
thAm!
bA,ZtuPru