A radioactive sample has a half-life of 28.1 y. 18 98.0 39 of the sample were allowed to decay for 27.0 y, what would the activity of the remaining sample be ? ? 24 a. 53.739 b. 7.35 89 ✓ C. 50.4 39 d. 0.735 89 e 537 B9
A radioactive sample has a half-life of 28.1 y. 18 98.0 39 of the sample were allowed to decay for 27.0 y, what would the activity of the remaining sample be ? ? 24 a. 53.739 b. 7.35 89 ✓ C. 50.4 39 d. 0.735 89 e 537 B9
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Hello, I want to check my answers because I'm unsure if I did them correctly. And if you may, correct it for me.
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![EX
A radioactive sample has a half-life of
28.1 y. 18 98.0 39 of the sample were allowed
no to decay for 27.0 y, what would the activity
of the remaining sample be?
wof
fals
A
5
a. 53.739
6. 7:35 89
✓ C. 50.4 39
d. 0.735 39
e 537 39
a. 1.208 x 1013 J
b. 2.810 x 1013 J
1.802 x 10³ J
1.028 x 10¹³ J
e. 2. 180 X 10³ J
g:
2.
a. 60 h
30 h
45h
10 h
ن من فن
се
c
0.2002
For every mole of radioactive sample that decays,
g
of mass is lost. How much energy is
given off per mole of radioartive sample reacted?
shotod 21lgus
fut
Das
20h
COLA
I
20
Apel
Az
A sample of radon has an activity of 80,000
39. If the half-life of redon is is h, how long
before the sample is activity is 5,000 89?
que
ELINT
10
FO](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff398f66-486e-4844-93dd-a50f54b9e063%2F9c64a3ad-a352-4094-8986-cad2efa03f0e%2F2kwojm_processed.jpeg&w=3840&q=75)
Transcribed Image Text:EX
A radioactive sample has a half-life of
28.1 y. 18 98.0 39 of the sample were allowed
no to decay for 27.0 y, what would the activity
of the remaining sample be?
wof
fals
A
5
a. 53.739
6. 7:35 89
✓ C. 50.4 39
d. 0.735 39
e 537 39
a. 1.208 x 1013 J
b. 2.810 x 1013 J
1.802 x 10³ J
1.028 x 10¹³ J
e. 2. 180 X 10³ J
g:
2.
a. 60 h
30 h
45h
10 h
ن من فن
се
c
0.2002
For every mole of radioactive sample that decays,
g
of mass is lost. How much energy is
given off per mole of radioartive sample reacted?
shotod 21lgus
fut
Das
20h
COLA
I
20
Apel
Az
A sample of radon has an activity of 80,000
39. If the half-life of redon is is h, how long
before the sample is activity is 5,000 89?
que
ELINT
10
FO
![Energies of gamma rays are typically expressed
in units of megaelection volts (MeV), where 1 MeV=
N.602 x 10³ J. Energies of gamma rays emitted when
oxygen -13 gives off a beta particle is 0.168 MeV.
What is its energy in joules
ن من وة د
✓a. 2.69 x 10⁰4
231
a. 87 Fr
с. ј
5.01 X 10¹2
1-05 X 15-12-
J
J
d. 0.51 x 10th
6.29 x 10-12 J
endt
12 703
Actinium has an atomic number of 89. When
emits an alpha particle, actinium-227 is the
resulting daughter isotope.
239
b. 2 ha
C.
obl.02
231945 pa
Foo
ودانحصاه مدت باره ام
ped J. 233Rn
"
PS
c).
86A
J
2311
e. 2003 NP
93'
J
Place d
6
O
Pq ZEF O
bi
361 x 1024
2
301 x 081
Vibo no
sed note to samoz A
noby 20 271 WAN SH21 PE
Hliviton 21 avamiss one stoped
b](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff398f66-486e-4844-93dd-a50f54b9e063%2F9c64a3ad-a352-4094-8986-cad2efa03f0e%2Focjtwoa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Energies of gamma rays are typically expressed
in units of megaelection volts (MeV), where 1 MeV=
N.602 x 10³ J. Energies of gamma rays emitted when
oxygen -13 gives off a beta particle is 0.168 MeV.
What is its energy in joules
ن من وة د
✓a. 2.69 x 10⁰4
231
a. 87 Fr
с. ј
5.01 X 10¹2
1-05 X 15-12-
J
J
d. 0.51 x 10th
6.29 x 10-12 J
endt
12 703
Actinium has an atomic number of 89. When
emits an alpha particle, actinium-227 is the
resulting daughter isotope.
239
b. 2 ha
C.
obl.02
231945 pa
Foo
ودانحصاه مدت باره ام
ped J. 233Rn
"
PS
c).
86A
J
2311
e. 2003 NP
93'
J
Place d
6
O
Pq ZEF O
bi
361 x 1024
2
301 x 081
Vibo no
sed note to samoz A
noby 20 271 WAN SH21 PE
Hliviton 21 avamiss one stoped
b
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