何曼君高分子物理习题15

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⚪1.1ᑖḄ᪀1.1.1᪀ᓫᐗḄᓄᡂ1-1
ᓄᔠᱥᜩᯠᑖᓄᔠᱥᔠᡂᑖᓄᔠᱥ(1)(2)PVC,(3)᪛ᾦ(4)(5)(6)(7)66,(8)PVAc,(9)(10)PS,(11)!(12)ᜩᯠ"#(13)$%&'((14))*,(15),-᪛ᾦ.:ᜩᯠ(1)(4)(5)(6)(9)(12)(14),ᔠᡂ(2)(3)(7)(8)(10)(11)(13)(15)1.1.2᪀11—223456$78'(9:ᨵ<=Ḅ᪀1Ꮇ@<ὃ⇋CDE᪀(GHE᪀IJK)஺.N$78'(9:ᨵ6OᨵPQ᪀RSTNজV1,4Wᡂ/VVV^CH2\^/CH2ZVVVVCH3/C=CஹHঝY1,4WᡂCH3/XXXCHVVVV2ঞ1,2Wᡂᐰ=Q᪀RzR

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ᐰ=ஹe=£PQ᪀R஺c比HcHIHC—IH3\H—c—OHT3/CCIOCF—H3/C\O/I'C/\I—\O/Ic/\C—CH—IHHI——HHHHHcHcHIHH—IH3\HH—ঝ间同c—OICcIOIC/\O/IH3\C/\c/—\O/IC/\c/—H—IHHIIHH—CHCH3H3CHHHIH3\Hc—IHCIঞ无规C—OICCIO—H3/C\O/IC/\CH3/—\O/I\c/\CI\O/H——HCI—HH3HHIHHឋ:Ḅ°±Nᐰ=ᡈe=Q᪀᧕EᨔᰚÃᩞᧇᨵ@ÆÇÈᐸxᐰ=Q᪀ḄEᨔÇஹᰚÃஹÆÇÊËe=Q᪀ᶍÃ஺£PQ᪀

2.3415ᐰ=Q᪀N425ᐰ=Q᪀È435e=Q᪀È445£PQ᪀஺fg┯iᑖ᪆N“415425ᙳ$È435íîᐳ$N445£Pᐳ$஺”Öðo᪀1pᐳ$ñᑡòÛó஺1-5©ôᙠ☢õö6e=ᐰ=PVCêxᨬ÷øḄ%{ḄxùãeḄúû஺%{Ḅýþÿ
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*+ᔣ&'x=0.251nm-y=2bsin஺b=0.177nm,^~109.572,/0y=0.289nmo12345Ḅ67
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-=0.383nm஺ᐰ᪀PVC,345Ḅ67x=0.251nm஺/0$☢PVC89:;ᐰ᪀Ḅ஺<1—6ᑏ>ᵫ@AḄBCCH—CH=CH—CH=CH—COOCH33DEFGHᑮḄFᔠᱥKLὃ⇋ᓫPḄ1,4QEᡂSᓫPᜮQUVWᑣᳮZ[:ᨵ]^P_᪀ᓫPD1,4QEF`aLὃ⇋ᓫPḄᜮQUVW:ᑮb☢ᙠQ2᪀ᓫᐗefᨵg29hiḄFᔠᱥCOOCHCHCOOCH333ᓽfᨵ1^9h!45SQ2!Q!klᳮZ[:ᨵ8^ᐹᨵgnᨵo᪀ḄFᔠᱥ஺

3COORZCOOR'COOR'(g)(h)p1-5gnᨵo᪀ḄFᔠᱥ(a)Gq---sgnᐰ᪀(trans-erythrotriisotactic)(b)tq---sgnᐰ᪀(cis-erythrotriisotactic)(c)Gq---usgnᐰ᪀(trans—threotriisotactic)(d)tq---usgnᐰ᪀(cis-threotriisotactic)(e)Gq---usgn᪀(trans-threoytrisyndiotactic)(f)tq---usgn᪀(cisthreotrisyndiotactic)(g)Gq---sgn᪀(trans-erythreoytrisyndiotactic)(h)tq---sgn᪀(cis-erythreotrisyndiotactic)<1-7vFwBC
<xyQz᪀(|}᪀)FᔠᱥឋḄᓫPwBCFᔠᵫ1,2Eᡂ1,4EᡂḄ9ᡠv:ᑮ1FfCH-CHi2nᔠᱥ஺Q;F1,2.wBCq;CH=CH?.Q;F1,4.wBCq;noQ:ᙠP_᪀᝞

4ᐰ89-CH2-CH-CH2-CH-CH2-CH->^^1,2:;^^2221,2-:;9/C=C\'I1,4.:;9wj%/C\/C^ZC^c14:;<ᵫQz᪀9F᝱᪀9/ឋ9஺ᐸetqF1,4-wBCo᦮ឋ9᧕ᨔb;¡Ḅ¢ឋP:£¤¥ᵨ஺ᐸ§g^ᵫ᪀o᦮᧕ᨔ,©Fᔠᱥ¢ឋªᡈᜫ¢ឋ9᧕£¤¥ᵨᐸឋ®¯°⊤1-1஺⊤1-1FwBCḄᱥᳮឋ²_᪀³ᑖᰚi(C)·¸¹ឋ)º¹Q¾ᱥឋ)¿¢ឋ5(g/cm3)ᑺ¼¼20࠷90࠷ᐰF1,2-120¶1250.96½ÁÂ,ᨔ45¶5590¶92wBCឋF1,2-154¶1550.96½ÁÂ,ᨔwBCឋtqF1,4-41.01᧕¡88¶9092¶95wBCÁ¢ឋGqF1,4-135¶1481.02½ÁÂ,ᨔ75¶8090¶93wBCឋ1.1.3lW᪀SᐳFÄᑡ<1-8ᙠFÆC⏣PVA
¹ÈeEᐭHIO4,Ꮇ¡1ஹ2—ÆB⏣᪀ᐰHQ£ᵨ©ᑖ5ÍÎ.ᙠEᐭÏÐPVAḄᦪᙳVᑖ5²
35000,£ᵨ`Vᑖ5²
2200஺ÓÔPVAeᜮᜮVW᪀ḄÕᑖᦪ)ᓽ1002᪀ᓫᐗeᜮᜮ᪀ᦪ¼஺35000$ᙳ᪷[ᜮQᜮ᪀ᦪ}ᜮQᜮ᪀Õᑖᦪ---------------------------ØÙ38%$ᙳ᪷Ḅ⁚ᦪ-----------144ÚÛ-1;/
ÍÎQ2ᜮQᜮ᪀ÜÝÞ1ß;ᜮQᜮ᪀ᦪà;áᦪâ1஺ᑖãḄ“Q1”:våᶍ/
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5<1-9F3ÆCᵨìíᙠBîïðe¿ñᜐᳮóôᨵ86%øùḄ3úῃ◀Ýᱥeᨵðýþ᪀0C=C᪀ᓫḄ.ᜮḄᓫᐗῃ◀C1$%&'ᡂ)*+᪀,-ᜮᜮḄᓫᐗῃ◀CI$%&'ᡂ/஺ᡠ23ᓫᐰ56ᜮ஺71-10=>CH2=C—CbḄᐳᱥ,Fῃ◀HC1=G&,:ᱥᨵC1C1C1C1HᐸJ7ᜧL610110STUVᵫ2XYZ[\ᓫᙠᐳᱥḄ^ᑡᑖabMᑮOPQRZ[\ᓫᙠᐳᱥḄ᣸ᑡᨵd\efS6gᓄijkὃ⇋nᓫᐗV:CIHC^=9H+H2C^=C2CICI(V)(D)(1)V——V——V-Aফ--------D——V——V-V——D——V(3)-------D——D——V--------V——D——DD——V——D(4)D——DD——Zd\᣸ᑡḄG:ᱥᑖxy6প--------C——c---------C---------Cc--------CH——CCH——CHHC-Iফ-一C-C-C-CC-----CICCI--------C^=CH——C^=CH——C---------HHH

6-3HC1-MᑮḄG:ᱥ{ᡂ|:bj$ᐳᱥ}⌕6—v-v—V—……-D-D-D—……Ḅ᣸ᑡ-᝞(2)ᡈ(3)efḄ⁚஺71-11ᨵᐰ᪀=᪀[\*6ᐸᓫ^ᐜᑖx[\*ᓄᑴ᪀ᓫᐗᙳᐭC1$%ῃ◀HCLGᡂ),ᑣbMᑮᔜ\¡.¢G⁐¤ᑖ᪆M¦ᐰ᪀ḄG§ᱏ1,2,4nᵬ¡/1,3,5nᵬ¡=2.5/97.5,-᪀ᱥḄG§ᱏZJ769.5/90.5஺ªᵫ2Xᦪ¬®Z[\*ᜧᑖ%Ḅᓫ^஺ᵨ71—7Ḅ°CH2=CH+CH=CHII2CHCH33ABnᓫᐗ{A—A-A—ᡈB—B—B—ᙳ)ᓄM1,3,5nᵬ¡,-ᐸ±nᓫᐗ{A-A-B-,-B-A-A-,-A-B-A-,-B-B-A,-B-A-B—ᙳ)ᓄM1,2,4nᵬ¡஺ᡠ2Q|᪀*ᓫᜮᜮ᳛69.5%,ᐰ᪀*ᓫᜮᜮ᳛62.5%஺71—12[\ᓫAஹB2H᥅µUᐳᵨ¶⊤¸n\ᨵ⊤ឋḄᐳᱥ஺º-ABABABAB—,-AABABBBA-,—AAAA-BBBBB-.......

71.2ᑖḄA᪀1.2.1᪀»71—13(1)ᵫ*MᑮḄᐰ᪀*ᨵ¼ᐝឋR(2)Ꮇ¿*ḄHÀÁÂÃÁÃᵨᦋÅ᪀»ḄÆ°ÇÂHÀR(1)¼ᐝឋ஺(2)ÁÃ஺ÇÂ*ḄHÀÈᦋÅ᪀É-ᦋÅ᪀ÉÊᦋÅ᪀»Ḅ°᪷ÌÁ஺᪀»|ÍÎᓫᑁ¼ÐᡠiḄ᣸ᑡÅᓄᦋÅ᪀»k◤ÒÓᓫᑁ¼ÐÔᚠᓽb×,-ᦋÅ᪀ÉØÈFÙᓄÚḄ®GÛÃ×஺71-14×ᨵd\ÜÂᑖ%Ýᐸ\Âᑖ%|ᵫ¿Þ(C)=ß(T)Ḅ᪀»ᢥâᑡd\Ḅ(a)T—T—T—T—T,(b)T—C—C—C—T,(c)C—C—C—C—C,(d)T—T—C—T—T.ªæçXèd\Âᑖ%Ḅ'é¸ê¶,JëìíîïðḄñÀᜧò஺প᪀óôîïðóò஺õê▭X᪀»|ÂÃU᪀»|Á÷ḄᔠᱥùúÃUëûḄß=ü(ᒹþÿ

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஺1—15ᑖ!"2$%3$%'(Ḅ*+,ᜐ.
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᪀0Ḅᨬ234஺56(a)
᪀9%:;<☢Ḅ>?ᔣABḄC஺ABᑖF⊤<☢HIJKLM*+ᙠ<☢NḄᢗPᎷRSLM*Tᙠ☠VWὅḄIJ஺YCzA=CB=lcHCOS(6*/2),CzD=hsin(l/2),CD=hcos(0/2)஺l3t3

8opq☢rḄᜳt1c”hC-HwC-CwḄxy஺ᑣAB
᪀0H?|Ḅᨬ234஺AB=yl(CD)2+(CD+2CA)2=0.249nm232(b)/
᪀0GFw"LM*+Hz&᪀ᡂḄ<☢GCᙠSM<☢N஺ᑣAB/
᪀0|Ḅᨬ234஺AB=la6—21aicos6,=0.227nm1-16V'ᵨ'ᵨḄᑖḄ᪀ᨵP56ᡠ“V”“”o᪷ᜧᑖḄᔣᩭ¢ᑖḄ£¤¥¦§¨NḄV஺©ªNᓽ¬oᑖx'3Ḅ⁚¯ᵫ.±ᓫwḄᑁ´µ¶¯ᙠ¥¦§¨N'☠ḄV஺ᑖ⁚!¤wᔠ+¨Ḅ'ᵨIIV'ᵨ±⌕⊤¹º»᝞HHIIC-CI—HH!LMC+NḄH+LMH+Ḅ¿ÀÁÂÃ0.240nm,,LMH+
᪀0ᐸ¨Ḅ340.247nm,ᜐ./
᪀00.226nm஺YÅH+¨Ḅ'ᵨ±⌕⊤¹º»Æ.ᐸ¤wᔠ+¨Ço᝞Å஺V'᣸ºᵨḄÉᙠ¬Êª▭ᑖḄᑁ´µÌͬÃᙠ§¨ÎÏᨵḄ᪀ᦪ2.Ñᵫᑁ´µḄÒÓ஺ÌÍyÔᜧ᪀ᦪÕÔÖᑖḄ×ឋÕÔ2஺'ᵨκ»ÎÙ»஺,ᜧᑖ!'3ÚḄ+ᡈ+Üᵫ.ᓫwḄᑁ´µάᐸ¨Ḅ342.¿À34¶⊤¹º»ᜧ.¿À34Ù»஺ÝÞßà»T¬ᑁ´µÌÍ,᪀ᦪáÖ×ឋâãäå3æᜧ஺ᑖᓰᨵrèéὶ*wëTì.'ᵨ஺1.2.2ᙳäå31-17C-Cw/=1.54X1OT°”?,ñòᔠy1000ḄÑᵫóᔠḄ(/I?)%஺56(2=஻/2,ö=487x10%?1—18Ḅùú᡽ᜧ10üᑣòᔠy◤᡽ᜧþÖü5610ÿ%=000,ᡠᔠ᡽ᜧ100஺1—19nὃ⇋ᡂ஻]"஻2$%&A,஽)Ḅᙢ%&B,%)Ḅᙢ%&C.(AC2)=(AB2)+ீ8C2)AB,AC,BC&%/0Ḅ12,(ு&567ᙳ9஺:;=,ீBC)=n,[AC2)=nl2<&஻=஻]+஻2ᡠ>.஺

91—20?@ABᐹᨵEFᓫHḄᑖJḄKᵫMNᙳOPQ1RS.ᎷVHW0.154nm,H[&10928஺6]^_9`a;bcdefᐭh}=2nl26]h.r:;h~=/J/J+/[+/]3+14+11k+16+21+2,2+2,3+2,4+2,5+2,6+....Vl++(4+4/4++,616I"2=/?coseIJ3=I2cos?6,/)/=I2cos30....4Z/=)cos஺,ll=/2cos2^....2324h~=6/2+2s[cos஺+cos?0+cos30+cos404-cos50+cos0+cos20+cos30+cos40+cos^+cos2^+cos30+cos+cos20+cos6]=6/2+2-(5cose+4cos2e+3cos6+2cosB+COSஹe)wcos஺=%fᐭ^=6X0.1542+2X0.1542X2.251=0.1423+0.1068=0.249nm2xyz]{|defᐭ;}2஻l+cos62cos6(1-cos"d)l-cos஺(1-cos^)2=0.1542X(12-1.498)=0.249nm2⚪bcdefᐭ9=2஻/26]<&SABᎷV஻78,n=6,Sbcᡂ஺1—216]ᑖJ&106ḄᑖJḄᙳO᪷PQ1.(1)ᎷVKᵫᔣ(ᓽKᵫᔠ).(2)ᎷVᙠV┵[KᵫMN.:;n=2X106/i04=192311=0.154nm(1)¡=19231x0.1542(%,/)2==2\AnmTT~,l+cos^c,22(2)h~.=nl~-------=2.~fjl-cos0(ᡈ)¤=¥=30.2஻஻¦

101—22§¨ᑖJ©H[ᜧ90°,Vឋᙢ¬KᵫMNḄᙳOPQ1®H[Ḅᐵ°஺:;KᵫMN~h^=nl21+C°S^`S;0=180°—H[hrf-r1-cose`1h³H[´90°µ஺=90°,cos0=0ᔛ=22=%¶·Kᵫᔠ|7ᙳH[&90஺ḄK¸MN஺`2h³H[´180°µ஺=0,cos0=1hf.r=O°¹|ºdḄ»¼஺`3h³H[ᙠ90°~180°/0µ¾H[Ḅ¿À஺ÁÂcos஺¿ᜧ)¾/¿ᜧ஺¹|ᵫᜧḄH[Ãb᧕ÅÆÁ>ÇÈÉ஺aÊ;⚪˶ᵨÍy=஻/21—£OS0`S;a&H[h¬ϵaḄÁᓄOᔣ1+cosa®஺Ñ`<|Ò⊡[h¬ÔÕ஺1—23ᎷVḄᔠ&2000,H[&109.5°,ÖºdḄWLmax®KᵫMNḄ᪷ᙳOPQ1/¡9஺ØᵫᑖJÅÆÙ%:ÚÛܨᑖJᩞᧇᙠ᜜^àᵨá¶âãäᜧÁḄ$<஺:;`஻ᔊ=42nln=2X2000=4000`æçᙢè&3999hᡠÂx/`éê=ë=ì=36.5¶·¨ᑖJᙠí»¼á|³ᔁïḄᙠ᜜^àᵨáðÅÆḄÔ|ÃᑖJñºò஺|ÛܨᑖJᩞᧇᙠ᜜^àᵨá¶âãäᜧÁᳮᔠ2000Ḅôᐰºò¶Á36.5஺aÊ;RSḄn&Hᦪ÷b|ᔠ⚪n&4000,÷b|2000஺1-24ீcos8h=0µḄKᵫMNḄ`)h®¨ùḄ¡ᜧúû¦ᎷVcosC=1/3o:;`cos4/5=0µKᵫMNḄ`^2h=஻/2`1+cos6h/`1-cos஺h¨ùḄ62h஺=஻/2

11ᡠீü/W=஺+cos6)/(1-cos6)=21-25(1)6]ᑖJ&280000ḄᑖJḄKᵫMNḄᙳOPQ1஺HW0.154nm,H[&109.5°¤(2)ᵨᐝᦣÿ
ᙠ஺ᑺ᪵Ḅᙳ᪷56.7nm,ឋ!(3)ᵫ&ᵫ'(Ḅᙳ)*ᙳ'(+,஺-.(1)h^=2nl2=2X2X10000X1.54=949nm-,I-2—23.84ফ=l/i/h0frT17T(3)s?=-/22=i58nm?26@1-26ABCDEFG&ᵫ'(Hᐸ)JKGaussᑖPQᦪHSTUC—CWX0.154nm,WY109.5°,[*.(1)Cᔠ]5^IO,ḄCDEḄaᙳ)ஹᙳ)cᨬef);(2))ᙠ±InmcilOnmᜐḄk᳛mnᜧ.TT1-C0S6Z-প…ᵨs(t.aWYH஺WYḄ⊡Y)1-cosl09.5=2(5X104)X0.1542Xl+cosl09.5=4.7xl03(nm)2ᡈ=68.6/imফᵫco(h)dh=exp(x/)4/dh3--377y±1஻{=(2x2x5xlO4xO.1542xJ2exp[(2x2x2x5xlO4xO.I54”±l°)".}{x=3.5xl01nm")co(ilOnm)=3.7xl0-5(nm")ᓽᙠ±10nmᜐḄf᳛ᙠ±InmᜐḄk᳛ᜧ஺

12@1—27M=250000g-mo[TḄCDEḄᙳ᪷)HᎷᦔ&ᵫᔠHX18.5nC-CW஺-.nCH2Ḅᑖ14g-moHᦪn஺2.5X105/(14X18.5)=9.65X102XL18.5bsin6/2,6=109.5°,b=0.154nm,ᡠyl=2.33nme—[(h2)5=leH=72.4nm@1-28[ᑡᑖ.Wᦪᑖn=100cn=1000¡Ḅᨬᜧ¢£¤ᦪ;(1)¥¦§ᑖ!(2)WY0Ḅ&ᵫ'(.(3)CDEHTUᑡᦪ¨cᐵª.«(t)(pi=0,Uপ=0;¯(gᡈg)G2=±120,U(gᡈg)=3.34kJmor',cos´=ZMcos9/ZMHM=exp(¶)i=l//=1-.(1)·¥¦§Hᢥ&ᵫᔠHhJ2=nl2fj'•ᨬᜧ£X¤ᦪ=Lmax/Ji=n"(஻//)=n=100¡10!n=1000¡31.6t.&ᵫᔠ¥WY▲ᑴH4¼=஻/(2)·&ᵫ'(H/?!,.=2/7/2ᨬᜧ£X¤ᦪ=4”/(⌆¿=(!(“(2஻)%/=[(*n=100¡5.77!n=1000¡18.3(3)·ÄCDEH᱘=2஻-1+cos஺1-COS᜛N(0)=exp0=lஹH/H“ஹ"H//—3.34x10007-mol_'ஹ__N(120)=N(-120)=exp(------------.---------.----------)=0.260S.31JK-lmor'-29SK1xcos0+0.260[cos120஺+cos(-120஺)]COS^9=--------------------------------------------------=0.4o/1+0.260+0.26021+0.487ீ஺x2hp-2nl-----------=5.81n/E1-0.487ᨬᜧ£X¤ᦪ=(g)-஻//(5.81஻)%/=0.339஻/

13n=100¡3.39!n=1000¡10.7@1-29Kᑁ'(ÌÍÎÏÐÎ1-1ÑÒÓ'(ÌÍÔḄÕ12kJ/mol,ḄÕ25kJ/mol,gஹg'ḄEk=2kJ/moLᵨtஹg>g'ḄØnÕÙÚÛÜᑖPḄ'(ÌÍH*140CḄீcos"ு!6=68஺HKீᐶு=c/2Ï1+£os6ÑÏ]+cos.ுÑீß2ு/஻à஺1-COS஺1xீcos஺ு-.ீcos᜛ு=0.224â"஻-ãᔠã=3.5@1-30TUäCåæàEnᓫèᓫᐗê0.46nm,Së=16.2஻HìínᜧᑖḄîᦔ&ᵫᔠḄᦪcX]஺Ït.íïnᓫèᓫᐗᦪðÑ-.*=஻/,L=nlmaxeeὶòóôõHö-àᐗx÷õ஻e=&Jh7l=h2/Lemax7Lmax=0.46/1...=Ï0.46஻Ñ_o.013஻H/‘=16.2஻/0.46஻=0.352஻/”16.2@1-31X]ùúᜧḄᑖHeᵨyîᓫᐗḄᦔ&ûÓᔣᩭîᜐᳮ.ÿᨵ
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஺×3-31ØḼ,-ᓣ%ᑖE஺BḄᱯឋÛᦪᨵÜÝ«ᓄÞJÜÝÞßᓣ஺DJᑖE´àᙠ6BᑺFᜐ3ᔁbḄt᝱%á&Ḅᓣ[VWâãḄ`äå%æçVḄ\]%èᩭᔁbḄ´à«Jéê%ëìØḼBÛ-Ḅᓣ஺×3-32ᜧᑖEVᙠBFḄy᝱gíîDïðñ%ò᪵Ò[ᜧᑖEVᑮ“rô᡾”t᝱Þßᙠ*&Ḅ,-⌱ö〉9ḄBᑺᡈᙠ*&ḄBᑺ⌱ö〉9Ḅ,-%øM[ᜧᑖEVᔁbᑮ᪆kḄQRt᝱%ᓽ0t᝱ᡈ஺B%;:ᑖEVᜐ3rô᡾t᝱஺3.2.6BᑺXBឋḄᐵ6

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ᑖ./0஺ᡠᵨ2ᑺX;X25࠷,0.1273g,2^2.116g,¢X0.941g/mL,Ḅ¢X0.8685g/mL,=0.398஺51:3V----2ᑺḄmol^_1Q——⊝2°2ᑺ᥅a^_V.=78g஻?஺/=89.81³஻“஺/0.8685g/mL2.116-0.12730.127308685+0.941=2.2898+0.13530.1273—0.13530.941=17.93¶Q>10,ᡠᶍ¹!º⚗;¼ᵨo½஺M,=03=17.931x0.941x89.81/0.102=122.8x0.941x89.81/0.102=101704g/mol¿kÀᶍ!º⚗~᜛ᓲÄ----r=85000g/molM=c1ṹs஺2)+஺2+%஺2᧕ÉÊḄ┯Ìᑖ᪆“Î=2,1Ï273┯Ìᙠ=V,P2ᑺḄ᥅a^_JkP2ᑺḄ^_஺3-35ᵨNaOH4ÕÖ⏚Ø25;ÉÊÙÚÛᓄÝXÙÚÝ

551✌ᐜàᩭàᜧ;Wãä.å³xÕÖ⏚æ?Ḅä1å³஺ç4è;°éêᨬᜧ~;ësìå³Na,é;ᑣä1Jîᢓᑴ;°éñ⌲óô஺p4.19ᱥ^qᑖmrḄstuv4.1.1ᑭᵨ+ö½),
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ḄᑖᦪᑖA0.3ஹ0.40.3,B0.1ஹ0.80.1,᪵ḄwᐸᑖᢣᦪCTjஹᑖᦣ"ᦪd஺$415%&A11Mn=---------=-------------------------=28169k%0.30.40.3yM1041052x105zஹ,=ZWM=0.3x104+0.4x105+0.3x2x105=103000—0.3X108+0.4x10'°+0.3x4x10'°M=---=---------------------------------=155630z103000d=M»t/Mn=3.66=M"(J-1)=281692X3.66=2.90X109b=Mu(t/-l)=lO3OOO2x3.66=3.88xlO10(2)%&BM„=54054A/.v=101000=118910J=1.87crM=2.54x109b=8.87x109N4-2ᎷPQRᔠᱥ᪵UVWXYᑖᐸ%ᑖZ[ᑖ%1
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57=2.8x105M

58d=2d=3N4-5ᎷPQvRᔠᱥᵫᓫᑖᦣYᑖABYᡂABḄ%ᑖZ[ᑖ100,000400,000஺¦ᑖ}1AB=12~;2AB=21ᔠ᪵xᔠᱥḄ஺“¨,©ª3AB=12,a=0.72,¬~,ஹ…᪍.Ḅᜧ஺$1%=1/100,000=IX10’஻B=2/400,000=0.5X10-5(1x10-5)x105+(0.5x107)(4x105)=2.0X10-51X10-5+0.5X10-5i2M=-(lxl05)+y(4xl05)=3xl03w(2)´=2/100,000=2X10,n=1/400,000=0.25XIO-5B-_(2X1O-5)XIO5+(0.25x10-5)(4x105)=1.33x105"_2xlO-5+O.25xlO-5_21=y(lxlO5)+-(4xlO5)=2xlO51_1_(3),>a=U(1x105)072+1(4x105)072V72=2.88x105ᡠ}M

59w.N.=v,MmZo“ᔠᱥ="vஹÅo/tM=wwzoZ½MÆ“ᔠᱥ='zo=ZoCᕲÉ”ÀUo/ZoᔠᱥUYᑖḄᑖᦪ஺Ë⚪Íp=lg,W=lg,ᑣB1+1M“=~1=133,000Ð/
,M+%/Ñ.8i-172xlO5M=[—^—\M.+—^—\M=1X2X105+-X4X105=300,000wWB1%+h஻ெÐ+W,22ÔÕÖᯠ»᪵xḄᑖᦣ"ᦪᙳ2,ØᔠᱥḄᑖᦣ"ᦪÙᜧ2.25஺*N4-7ᨵvXRḄÚÛ[vXᨵ20%$ÜᡂᓫÝḄÞ⊝Ý"Ý"Ḅᦪᙳ%ᑖZ[80,000ḄᓫÝ%ᑖZ[MoÞ⊝Ý"Ḅᙳ%ᑖZ[MQᔜ©ª$P-----P2Pᓫᓭ0
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20'_M2M°00Mvt-=å+æM஺2%_0.2x48,000+0.8x2x48,0000.2+0.8=86,4001M—N4-8ᦪᑖçᦪN(M)=="exp(—)èéᦪᙳ%ᑖZ[ᙳ%M“M„ᑖZ[஻”êᨵ᝞ᐵ"Mw=2M„.$MNiMi£N4M5MdMíN4M
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61N4-9⊤ôX%ᑖZ[õöḄR÷øùᙠûüýU30CḄþÿ
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VWC\Ḅ]^Xᔠᱥ_ᔠ`abc"ஹMw>dOg;_ᔠhi4ᑭḄkᓄ.2/1000gUᑖ
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62.2/M.ᑖ’1000I11000----=1100010”10006=10-3210100010"106_1000+1000_20001+10-3"஺5T4-11`ᵫᑖPQRᢣᦪ=“,-d=[.A/-M,,/2],=.M-M,,/2N4MdM\M2-2MM+M'nn=2MMdM-2MMN4MdM+M^TN4M1dMn=Ẇ,•M''2/£஻£஻M/£஻iMni/ii/i*T4-12ᙠ25࠷¡¢£¤⏒¦§᝱Xᔠ©10ª^ᨵ«ᓫ¬ᑮ¯°.Ꮇ²³ᵫ´Xᔠµᳮ¯¶·²¸¹ᶍ»a.᝞½£¤⏒¦ᨔ¬¿ᑮ᯿500ªÁiÂXᔠᱥÃᓽᑖÅÆ.cw/c“ȲLno,-ᵫÉÊᨵ¯¶·ᑖ
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VWCMoJNMdMÐ5஺Ñ=ᜐ஻MjNdMM02

6350Mo?fNM2dM“3/250M஺3“Mw=M2/2020NMdM2x50%3஺M4w-=1.333¸ÓÔᩩÖ×ØÙᕜÛÜÝÞ»ßàXᔠᱥᑖᦣឋ஺*T4-13á«Lᑖᦣ᪵}âãWU_ᔠ.᪵}=100,000OMw=200,000,᪵}Bᨵ=200,000OMw=400,000_ᔠᱥḄ஻”OMwḄ⊤åabæçḄè.IV2X,:Mn=N-£N,Xêëxì⊤_ᔠᱥḄ©«Lᑖᦣᑖ஺'NஹMnxM._ᔠᱥ/=(1)nஹX2íZXMi/M=wIXஹXZwMX♦iJ=M-W•/Mwxwxx\i)xM._ᔠᱥ/=ð^------w._ᔠᱥ/ò£|Mwx,t7BC_ᔠᱥBᑖXÜãWᑖᦪX

64ôW,\=lg,W=lgB1+1=133,000/105+/2X105ᓃ\MwB=(%)x2xl05+(%ú4x105=300,000T4-14ᳮ;°×ᑡᔜ^ØÙḄLᑖᦣᢣᦪd=Mw/c”ÙCLnoaஹüXýbஹ³ᵫ´Xᔠ.þ´ÿᔠ
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8Ꮇ+ᨵᓄ.AZBNḄvwឋR9᥅Q9jᦪᘤjᦪ2.5X10஺᝞fPSO.OOlkgᐹᨵ93.2X103Ḅvwឋ8jkᦪᙳ$%ᑖ'(.PS;ᨵAIBNḄ᥅QᦪR3=1.282.5X108R=:AIBNᑖᡂ:ᵫ8Ꮤᔠ
PSᑖᐹᨵ:AIBNᵫR,8ᡠPSḄ᥅Qᦪg1.28x10-5஺1gMn-=78125g/m஺/1.28x10-5mo/4.2.2¡¢ᓣ£ஹ¤¢¥¦.

65/4-18§¡¢ᓣ£¨©ᵨª«ᵯ*+®¯AT,°±j²ᦪAd³ATᡂ´µ஺ᵨtHᑺ8·¸ᾦ⏚ᵞ»7M=892B/᥅Q¼᪗¾᪵À8Á`aR1.20X10*3g/mL,*6AdR786஺Âᵨèᘤ]Hᑺ*zᵬấÆÇḄ$%ᑖ'(8`a]AdḄᐵÉ᝞¥⊤cX10g/mL5.107.288.8310.2011.81Ad3115277158731109MjkÃM᪵Ḅ$%ᑖ'(஺1
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66Ð4-4ÚÛÜn]`acḄᐵÉÖ×/4-20ᙠ25࠷Ḅ஺Hᑺ;8*6`aR7.36X10-3g/mLḄ÷TuHIḄÚÛÜR0.248g/cm2,NÃM᪵Ḅ$%ᑖ'(]øzùúÉᦪA,ᢣüᡠ6$%ᑖ'(gý᪵2Ḅþᙳÿ஺JT1
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67%xlO-3(cm)0.0970.1090.1130.1240.1430.1740.184C(1)=0.0774X103M—8.48X104X298M„=-------------IA5-=3.26x100.0774X103(2)᳛/?771=1.23x10421.23X104…_3,_2A1t-y=-----------------------=4.87x1i0a44cm-molg"-8.48X104X298ব1:2:E06.69஻%஺/V,0.439~4-5------C'ᐵmC.4-23PSḄᵬY2]567UVᑮ{#$஺AD%298°K஺<—3\7tRT5(\\V—=——+RT~~X\c+RTc2+cMᓃ"7X)c}~fM,᳛fFlory-Hugginsᦪ஺

68<ᑖ+PSV=0.9259cm3/g,ᓃ=—L,MPτᑖEᵬYḄ()ᑖ+PP\,-nD஺c/10-3gcm-31.552.562.933.85.387.88.68n/gem-20.160.280.320.470.771.361.6
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80×´dfᔜᑖ&ÍεNḄÚÛÚᙳÀ஺t=----1——--(1Ox10_6V=0.8252x6.1x10'"v)*R4-40.Z20࠷e᥅ã$8M=6.45X104gmor',äåV=0.75cn?gTḄ⊈æÉÊᑖ&ᙠ´Ḅ᡽ᦣᦪI)஺¦§⊈æÉÊᑖ&ḄèéᳫèḄStokesíᡂï20CeḄ¢Z7=1.005xKT?Eᵨcdᵨ஺=¹7/0×´dkòᐻôõᦪTö÷3#$ᑖ&Ḅ᥅øᦪ஺᪷StokesíúÓrḄûឋᳫfo=6ᐔE(஺#ᑺḄ¢)஺Ꮇ⊈æÉÊᑖ&ḄèéúÓrḄᳫýḄq*=N,3M=64.5kgmol',V=0.75X10-3m3kg-1,N=6.02X1023A'3x64.5x10-3=26.8xl()T°ஹ4x3.1412x6.02x1023)஻=1.005Xi஺-'fo=6ᐔ.=6X3.1412X26.8X10-10X1.005X10-3=5.08X10^"kgs'!"#k=1.38XIO_3k2sV,T=293.2Kgm,஺=,=-Q/=7.96X1L/fo5.08x1஺-”4.41ᙳ3ᑖ567Ḅ9:4.4.11;<93ᑖ567=4-41ᵨ1;<9:?@PSC᪵Ḅ3ᑖ567EFGHᙠJKLM30࠷OPḄEQRHᐜTU0.1375gC᪵EWᑴᡂ25mLḄPS@JKLEᵨ[L\[U10mL]KL^ᐭ1;`ME97abacde=241.6fEᯠhijᐭJ5mLஹ5mLஹ10mLஹ10mLlmEᑖn9bacdt2=189.7fEt3=166.0fEt4=144.4fEt5=134.2f஺ᨬh9qJḄbacdr=106.8f஺sMtPS@Juvᙠ30࠷cK=0.99Xl(y2,.74,C`ya==0C᪵Ḅ1ᙳ3ᑖ567஺z{C஺=."75g=o.o055g/=106.8஻°25mL°ᑡ⊤12/31/21/31/4

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820.577=355,0005.83xl(T5.83x10-ᑭᵨM¬®E¯ᐭHugginsE0.702d//g=0.577d//g+%'(0.577dl/g)2(0.896g/J/)z/=0.42=4-43?´ᑖ5KᑺuvḄKaᑖnH3.0X᮱070.Ꮇ᝞@C᪵Ḅ;ª2.5X10%/ml,ᙠ1;`MḄb¸cd145.4fEKᑺḄb¸cdª100.0fECᵨ@®<¹`ºC᪵Ḅ3ᑖ567஺z{@®<1454஻E=--=1.4547“=0.454r100.0sp7.£j=159.7jL/g•..ಘ=3.0x1Of%7஺¿M„=2.10xl05=4-44Ꮇ᝞Áᨵ@᪷ᝍÅ1;`,K=2.00X102cm,L=11.0cm,V=4.00cmJ,h=16.0cm.ᙠ¥9:MᵫÇOPÈÉᦋËÌÍᩭÏᜧḄÑᑖÒÓÔ(1)9:ÕÖḄ×31;Eᙠ20࠷bacd170f.(2)PMMAÕÖKLḄ31;EbÈcd230f.8LV8஻LtᐔR'hgptØὃ⇋ÈÉ᪥Ë77ÕÖ×31;ḄÑᑖÒÓª2¿ঢ=—71f஻ᳫhgtVVᐔt2.29%7T2R4hgt2-V(2)ὃ⇋ÈÉ᪥Ën=rAEo-Bit஺

83JtR4hg79A=-------=7.034x10"cm"•s~8LVV,8¿Þ@=0.01447c/8஻Lt—2305,%=170s,77r=1.357Øὃ⇋ÈÉ᪥Ë/=r/r=1.3530PMMAKL31;ÑᑖÒÓß¿%=—0.3%q=4-45?PSC᪵Eà¸áâᑖãhEᑮåæçᑖEᵨèéê<9:ëᔜãᑖḄ3ᑖ567Eíᙠ30CḄJKLM9:ëᔜãᑖḄᱯឋ1;E¡¢ᑡ⊤{“XlORg/m஺/)43.2531.7726.1823.0715.8912.624.83ಘ(஻M/g)14711710192705929᪷ñòᦪóa1;ôõ[÷=KM"MḄøæᦪK஺ù஺z:Inm]=InK+alnM¥ln[஻]3InM§4-15,ln[஻]4.994.764.624.524.254.083.37

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