The value for astatine, At, is missing in this figure. To the nearest 100 kJ/mol,what estimate would you make for the first ionization energy of At?CHAPTER 7 Periodic Properties of the ElementsHe2372270Go FigureNe2081H1312F1681N1402O1314CAr1521Be8991086Bue wstthu801Cl1251Li520 Mg738S1012 1000Kr1351Si786Br1140Al578NaAs947ZnCu 906746Se941496Fe763Co760Ni737Mn717Ge762Ti659ScVCrCaK 590 633Xe1170Ga579651653CdI1008Pd804AgRh720419Ru710IrTe869Sb834868731Hg1007Mo684Tc702NbZr652YSn709SrRb 549 600640Ta761In558Rn1037Au890Pt870Os403Re760Hf659880Po812840Pb716770LuBa503 524Bi703Tl589Cs3761A2A3A4A5A6A7A8AIncreasing ionization energyAFigure 7.10 The first ionization energies of the elements in kJ/mol.Increasing ionization energyIonization energy (kJ/mol) APPENDIX C Thermodynaml1090AHS.AGAHSubstance(ki/mol)G/mot-K)(ki/mol)(ki/mol)SubstanceScandiumOxygenSc(g)377.8161.0230.1247.5Og)Sc(s)205.000O2(8)237.6163.4142.3Selenium(8)EOOH (aq)-10.7157.3230.0H2SE(8)29.7188.83-228.57-241.82H2O(8)Silicon69.91-237.13-285.83Н.О()Si(g)368.2232.9-105.48136.10НаО,(8)Si(s)0109.6-120.4-187.8HаО:(1)SiC(s)- 73.22SiCl4(I)-640.1Phosphorus163.2280.0SiO2(s, quartz)316.4-910.9P(g)218.1103.7144.3P2(8)Silver28024.458.9P&(&)0Ag(s)22.85-12.03-17.46P4(s, red)105.90Ag (aq)41.0800P4(s, white)-127.0AgCl(s)311.7-269.6-288.07PCI3(g)- 31.05Ag2O(s)217- 272.4- 319.6PCI3(1)- 124.4AGNO3(s)300.8- 1520.7-1594.4PFs(8)Sodium210.213.45.4PH3(8)0%Na(g)107.2-1640.1P&O6(s)0Na(s)228.9-2675.2- 2940.1P4O10(s)Na*(aq)- 240325-502.5- 542.2POCI3(g)Na (8)609222-520.9-597.0POCI3(I)NaBr(aq)-360158.2-1142.6-1288.3Н,РО4(ад)-36NaBr(s)Potassium-113Na2CO3(s)cereK(g)160.261.1789.99-4NaCl(aq)64.670K(s)0-1NaClg)102.5-283.3-252.4K*(aq)NaCl(s)154.5K*(8)514.2481.2NAHCO3(s)07-435.982.7KCl(s)- 408.3NANO3(aq)KCIO3(s)143.0-289.9-391.2NANO3(s)KCIO3(aq)-349.5265.7-284.9NAOH(aq)- 1150.18155.44-1064.58K2CO3(s)NAOH(s)132.9-393.13KNO3(s)-492.70Na2SO4(s)К0()-363.2-322.194.14КO,(5)-240.6-284.5122.5StrontiumK Oals)SrO(s)-495.8-429.8113.0

Question
Asked Oct 16, 2019
117 views

The electron affinity of oxygen is -141kj/mol, corresponding to the reaction 

O(g)+e-—>O-(g)

The lattice energy of K2O(s) is 2238kj/mol.Use these data along with data in Appendix C and figure 7.10 to calculate the “second electron affinity” of oxygen, corresponding to the reaction 

O-(g)+e-—>O2-(g)

The value for astatine, At, is missing in this figure. To the nearest 100 kJ/mol,
what estimate would you make for the first ionization energy of At?
CHAPTER 7 Periodic Properties of the Elements
He
2372
270
Go Figure
Ne
2081
H
1312
F
1681
N
1402
O
1314
C
Ar
1521
Be
899
1086
B
ue wstthu
801
Cl
1251
Li
520 Mg
738
S
1012 1000
Kr
1351
Si
786
Br
1140
Al
578
Na
As
947
Zn
Cu 906
746
Se
941
496
Fe
763
Co
760
Ni
737
Mn
717
Ge
762
Ti
659
Sc
V
Cr
Ca
K 590 633
Xe
1170
Ga
579
651
653
Cd
I
1008
Pd
804
Ag
Rh
720
419
Ru
710
Ir
Te
869
Sb
834
868
731
Hg
1007
Mo
684
Tc
702
Nb
Zr
652
Y
Sn
709
Sr
Rb 549 600
640
Ta
761
In
558
Rn
1037
Au
890
Pt
870
Os
403
Re
760
Hf
659
880
Po
812
840
Pb
716
770
Lu
Ba
503 524
Bi
703
Tl
589
Cs
376
1A
2A
3A
4A
5A
6A
7A
8A
Increasing ionization energy
AFigure 7.10 The first ionization energies of the elements in kJ/mol.
Increasing ionization energy
Ionization energy (kJ/mol)
help_outline

Image Transcriptionclose

The value for astatine, At, is missing in this figure. To the nearest 100 kJ/mol, what estimate would you make for the first ionization energy of At? CHAPTER 7 Periodic Properties of the Elements He 2372 270 Go Figure Ne 2081 H 1312 F 1681 N 1402 O 1314 C Ar 1521 Be 899 1086 B ue wstthu 801 Cl 1251 Li 520 Mg 738 S 1012 1000 Kr 1351 Si 786 Br 1140 Al 578 Na As 947 Zn Cu 906 746 Se 941 496 Fe 763 Co 760 Ni 737 Mn 717 Ge 762 Ti 659 Sc V Cr Ca K 590 633 Xe 1170 Ga 579 651 653 Cd I 1008 Pd 804 Ag Rh 720 419 Ru 710 Ir Te 869 Sb 834 868 731 Hg 1007 Mo 684 Tc 702 Nb Zr 652 Y Sn 709 Sr Rb 549 600 640 Ta 761 In 558 Rn 1037 Au 890 Pt 870 Os 403 Re 760 Hf 659 880 Po 812 840 Pb 716 770 Lu Ba 503 524 Bi 703 Tl 589 Cs 376 1A 2A 3A 4A 5A 6A 7A 8A Increasing ionization energy AFigure 7.10 The first ionization energies of the elements in kJ/mol. Increasing ionization energy Ionization energy (kJ/mol)

fullscreen
APPENDIX C Thermodynaml
1090
AH
S.
AG
AH
Substance
(ki/mol)
G/mot-K)
(ki/mol)
(ki/mol)
Substance
Scandium
Oxygen
Sc(g)
377.8
161.0
230.1
247.5
Og)
Sc(s)
205.0
0
0
O2(8)
237.6
163.4
142.3
Selenium
(8)EO
OH (aq)
-10.7
157.3
230.0
H2SE(8)
29.7
188.83
-228.57
-241.82
H2O(8)
Silicon
69.91
-237.13
-285.83
Н.О()
Si(g)
368.2
232.9
-105.48
136.10
НаО,(8)
Si(s)
0
109.6
-120.4
-187.8
HаО:(1)
SiC(s)
- 73.22
SiCl4(I)
-640.1
Phosphorus
163.2
280.0
SiO2(s, quartz)
316.4
-910.9
P(g)
218.1
103.7
144.3
P2(8)
Silver
280
24.4
58.9
P&(&)
0
Ag(s)
22.85
-12.03
-17.46
P4(s, red)
105.90
Ag (aq)
41.08
0
0
P4(s, white)
-127.0
AgCl(s)
311.7
-269.6
-288.07
PCI3(g)
- 31.05
Ag2O(s)
217
- 272.4
- 319.6
PCI3(1)
- 124.4
AGNO3(s)
300.8
- 1520.7
-1594.4
PFs(8)
Sodium
210.2
13.4
5.4
PH3(8)
0%
Na(g)
107.2
-1640.1
P&O6(s)
0
Na(s)
228.9
-2675.2
- 2940.1
P4O10(s)
Na*(aq)
- 240
325
-502.5
- 542.2
POCI3(g)
Na (8)
609
222
-520.9
-597.0
POCI3(I)
NaBr(aq)
-360
158.2
-1142.6
-1288.3
Н,РО4(ад)
-36
NaBr(s)
Potassium
-113
Na2CO3(s)
cere
K(g)
160.2
61.17
89.99
-4
NaCl(aq)
64.67
0
K(s)
0
-1
NaClg)
102.5
-283.3
-252.4
K*(aq)
NaCl(s)
154.5
K*(8)
514.2
481.2
NAHCO3(s)
07-435.9
82.7
KCl(s)
- 408.3
NANO3(aq)
KCIO3(s)
143.0
-289.9
-391.2
NANO3(s)
KCIO3(aq)
-349.5
265.7
-284.9
NAOH(aq)
- 1150.18
155.44
-1064.58
K2CO3(s)
NAOH(s)
132.9
-393.13
KNO3(s)
-492.70
Na2SO4(s)
К0()
-363.2
-322.1
94.14
КO,(5)
-240.6
-284.5
122.5
Strontium
K Oals)
SrO(s)
-495.8
-429.8
113.0
help_outline

Image Transcriptionclose

APPENDIX C Thermodynaml 1090 AH S. AG AH Substance (ki/mol) G/mot-K) (ki/mol) (ki/mol) Substance Scandium Oxygen Sc(g) 377.8 161.0 230.1 247.5 Og) Sc(s) 205.0 0 0 O2(8) 237.6 163.4 142.3 Selenium (8)EO OH (aq) -10.7 157.3 230.0 H2SE(8) 29.7 188.83 -228.57 -241.82 H2O(8) Silicon 69.91 -237.13 -285.83 Н.О() Si(g) 368.2 232.9 -105.48 136.10 НаО,(8) Si(s) 0 109.6 -120.4 -187.8 HаО:(1) SiC(s) - 73.22 SiCl4(I) -640.1 Phosphorus 163.2 280.0 SiO2(s, quartz) 316.4 -910.9 P(g) 218.1 103.7 144.3 P2(8) Silver 280 24.4 58.9 P&(&) 0 Ag(s) 22.85 -12.03 -17.46 P4(s, red) 105.90 Ag (aq) 41.08 0 0 P4(s, white) -127.0 AgCl(s) 311.7 -269.6 -288.07 PCI3(g) - 31.05 Ag2O(s) 217 - 272.4 - 319.6 PCI3(1) - 124.4 AGNO3(s) 300.8 - 1520.7 -1594.4 PFs(8) Sodium 210.2 13.4 5.4 PH3(8) 0% Na(g) 107.2 -1640.1 P&O6(s) 0 Na(s) 228.9 -2675.2 - 2940.1 P4O10(s) Na*(aq) - 240 325 -502.5 - 542.2 POCI3(g) Na (8) 609 222 -520.9 -597.0 POCI3(I) NaBr(aq) -360 158.2 -1142.6 -1288.3 Н,РО4(ад) -36 NaBr(s) Potassium -113 Na2CO3(s) cere K(g) 160.2 61.17 89.99 -4 NaCl(aq) 64.67 0 K(s) 0 -1 NaClg) 102.5 -283.3 -252.4 K*(aq) NaCl(s) 154.5 K*(8) 514.2 481.2 NAHCO3(s) 07-435.9 82.7 KCl(s) - 408.3 NANO3(aq) KCIO3(s) 143.0 -289.9 -391.2 NANO3(s) KCIO3(aq) -349.5 265.7 -284.9 NAOH(aq) - 1150.18 155.44 -1064.58 K2CO3(s) NAOH(s) 132.9 -393.13 KNO3(s) -492.70 Na2SO4(s) К0() -363.2 -322.1 94.14 КO,(5) -240.6 -284.5 122.5 Strontium K Oals) SrO(s) -495.8 -429.8 113.0

fullscreen
check_circle

Expert Answer

Step 1

The reaction takes place according to the following steps

help_outline

Image Transcriptionclose

1 2K(g) 2K(s) 2 2K (g) 2e 2K(g) 3 О(g) O2(g) (g) о*) +e O(g)

fullscreen
Step 2

Here each reaction 1-5 have their energy of formation therefore

help_outline

Image Transcriptionclose

ΔΗ -89.99kJ/mol ΔΗ-419kJmol ΔΗ-247. 5kJ/mol ΔΗ, --141.5kJ/mol ΔΗ5

fullscreen
Step 3

Now we have the energ...

help_outline

Image Transcriptionclose

AH formation 2AH, +2AH2+AH;+AH4+AH5+lattice energy -363.2kJ/mo (2x89.99 2x419 247.5 -141.5 AH, - 2238)kJ/mol -363.2kJ/mo (179.98+838+106+AH-2238)kJ/mol -363.2kJ/mol (-1114.02+AH,)kJ/mol AH (1114.02- 363.2)kJ/mol =750.82kJ/mol

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Related Chemistry Q&A

Find answers to questions asked by student like you
Show more Q&A
add