sd crAo DVc vA DAo rAo KY TIII HQC SINH GI6I THANH PH6 _ L6P NIm hoc 2014 - 2015 DE CHiNH THUC MAn thi: Todn Ngdy thi: 02 - 10 - 2014 Thdi gian-ldtn bdi: 180 ph{tt (EC thi gim 0l tlahg HA NOI 12 Ctu 1(5,0 diin) Lho hdm s0 y = a) f co th1 (C) TiCp tuyen t?i di6m M crla dd rhi (C) cit nai dudng tiem cfu cna (C) t4i Avd, B Chtne mini dion tlch tam gidc l,{B kh6ng phu rhu6c vdo vi rri didm M( la gico di6m hai duong ti6m can crla (C)) b) Tim qir cap ti6p tuy6n song song crla (C) cho khoeng cech Ctu2 (4,0 didm) a) Ciei phuong tdnh gita ch{rng lon ni6t, 2rz-3r17-31f4,114=g = y1t+sxzl b) cieihC phuolg trinh ltzf ]12y2 = z141grzy ltz"2 = r1l+e"21 Ciu3 (3,0 di6n) Vdi ba sd duong a,b,c thda mAn a+r+c=l,timgi6trinhddh6tcrtabi6uthfc -ll CAU (4,0 a rb +c2 d6m) Cho hai di6m 4B ab\ c6 dlnlt trCn mir ph :lng - e), AB =a.Tt6n duong thing qua lluongg60 vdi mal pheng t Pt Id1 di6m S cho ')"{, of uor a ta dudng thAng nem rrong (p) vd j qua = - di qua ,, w6ng g6c vcit AB c6t L @i D H h wOng-e6c vdi ,.1.8 ) Duong rhing ,{ ja.ffrOne non cnreu cua I ICn A Trong mdr phing (SDB) duong rhing di qua D wdng g6c vdi S,cir d ^tl1, tB lAn luor tai a) chrns minh b) 1, i: +=+ AI AS, -L^ AB2 -L: AD2 r Xdc dinh vi rrf cua duong rhing A d6 Cau t4,0 diAn) Cho day s6 (u,) th6a mdn didu diin rjch larn gi6c ,{ft le I6n nhAl kifn: lu'=q l- a) b) t,J t n = t.2 ' 1,,_, = 2,, + J Chfng minh vdi mei s6 nguyCn duo.ng n ta.6 u,,+z 4u,+1_u^ = Chr?ng minh 4rorj ohia h6t cho Hpftftthisinh ,, ugc srxn cl6r rHANH pno - rdp lu ri rm so crAo Dvc vA DAo r4'o NIm hgc 2014 - 2015 IIA NOI M6nthi Vit Dt cHiNH TH6C Ii NgiLY thlt 02 thdng 10 ndm 20u Thoi gian ldm bdi: ISoPlil (DO thi g6n trangt Bdil44 Iiem) gia t6c MOt vat nhd dao dQng didu hda tr€n t4rc tqa dO Ox voi bien dQ l0cm d4t x5' x6' x? troug I6n nhAt tai li dO xr Sau d6, vat lan luqt di qua ciic di6m c6 li d0 x2, x3' )q, x7 h6t mEt ntra nhfrng ktoang thdi gian bdng Al = 0,1s BiiSt thdi gian v{t di tir x1 d6n chu kl t Tim khoang ciich n}l6 nh6t vd khoang c6ch lon nh6t giria hai di6m gdn lidn Tim ti5c dQ trung binh l6n nhdt cua ch6t di6m chuy€n dQng tron-q Bdirl (5 tidp ' 0'8s ; i ifr6n) gia ntun ngang Hai l6c ld xo giong treo thing dimg' sdt trcn cilng mot taadO theo gdm: ldxo nhcc6d0ctngk = 0,2N/cm; v4t nhd c6 kh6i luqng m Chqn he truc huong xu6ng dudi, g6c tqa dQ ting vdi vi trl cdn b6ng cria ph"*g ,fra"g atttt, "ftiduiuong voi phuong tdnh cira vAt t ld uat I-6], g = I onvJ rich thlch cirng hic cho hai vat dao dong xr = 6cos (20r- 1) cm vd phusng trinh ql avdt2ldu= ^"li cot{ zor *f) "rn' L phai k-i;fi"fimlfi6-nFa6 ffi;on-.lF dao a0n?-ndrali6ffie'EinFdEn ll' Tim khoang c6ch dai nltAt gita hai vat quri trinh dao dQng Tlm lFc cllc dai tac dqng l€n gi6 treo lac \', \ Y Bni]j.I (4 - -tf ili6n) = 1009' dang dao vat nhd co kh6i loTc T hbh la LAv Biet aa *ri.-trqp tuc t6c alne lcn vdt theo thqi gian F(t) bi6u di6n tr€n MQt lic dcrn gdim sqi ddy c6 dq dai ai" h"i r, =lo:g= l0m/s2 eOre ] Vi6r phucmg ninh dao ddng cia Gi6 su lic | var' , ,, p'0tt rcsl dang dao dQng thi nguoi ta d{t n6J \ - [i \ i) \rr tim vrin dny nghi Crrg g6c p = !rca dan hdi v6i tarn van (hinh voi phuong thing dring Sau k}ri qrra vi 1d cdn bnng vQt va ch4m 1b) Tim chu ki dao dQng moi cira ttf so F {10-'lN} l6c \ *t!.* -4 Lfinh 1a Ifinh 1b B ifv ifrin) J B4n dang d phdng thi nghi€m Vat li cia trudng Trung hQc ph6 thdng' D6 x6c dinh chtnh x6c ti0u cg crla mQt thAu kinh ph6n ki, b4n cdn nht'ng dgng cu n}o? Trinh bay phuong rin thgc nghiQm Pht hqp t, t\.: Bniv Q ifi.6n) Kh6ng gian tit tudng ddu voi cAm fng tir B=2.10-'?Tdu.cgi6i hen bsi m4t phdng song song @) vd (Q) cdch nltau doan d = 2cm Mot electron khOng c6 van ti5c ban dAu duqc tdng t6c bdi diQn 6p U r6i dua vdo tir trudng tr€n t4i di6m A theo phuong \uOng g6c vdi mit phlng (P) (hinh 2) Cho lel= 1,6.10-''C; m, =9,1.10-"kg Hay x6c dinh thdi gian Lxlxxi9., ^**;;i i"* lx x x xi xl !x : electron chuy6n dQng tu trudng va phuong chuy6n ttQng cia electron n6 Lhdi td trudng tuong a6c trudng hgp: U U =18,88kV BN'vr (2 : 3.t:lt{ f fir' t, U =3's2kV t00 ; -, E K*:0to!d \ -\\ t9 r6- Ifrnh A.ct !ot '€ di6n) : Ba vat htnh tru mdng gi6ng A, B, C cung c6 b6n kilh R 2cm *lT nim ycn tron m0t mat phdns neane, nhin chuyen dong dcn d€ nd t6c v = i0rn/s A vin truydn cho Nguqi ta vd C la va ohgm xuy€n t6m ddng thoi v6i cA B, C (hinh 3) Ooic6c va cham hoen *:T*,.T1 *l,T "YP @5 toan &n h6i l Bi6t sau va chqm X6c dlnh Ci6 d A dtng lAi, tlm van t6c cua B vd C sau-va ch4m' cna / d6 sau va cham, Hq va tCn thi sinh : A ti6p tpc ti6n l€n phia tru6c' Htit U 56 bdo danh I sd crAo DVc vA DAo HANOI DE cHi]'.H r4o I.i THI HQC SINH GIOI THANH PH6 L6P Nin hoc 2014 - 2015 12 M6n thi: Sinh hqc Ngay thi: 02 thitrj:g 10 n6r'J 2014 Thtri gian ldm 6cil: 180 Phtit (DA thi g6m 02 tang) THtlc I (3,0 tli6m) i MO ta i6u tnic cria bio quan tham gia vdo qu6 trinh chuy6n h6a n[ng lugng trone t6 bio d6ns vdt ? Z Neu co"chd cnung cta qu6 trinh t6ng hqp ATP quang hqp vi h6 hAp theo thuy6t h6a thAm cta Michell Ndng lugng ho4t h6a li gi ? Trinh bdy c6c co ch6 giim n6ng lugng ho4t h6a cua c5c phan ring sinh h6a c6 enzim xitc t6c ? CAu - Cnu II (3,5 di6rn) l So s6nh c6u t4o, tinh i ft"* b6o chua no vi chAt, vai nd cira lipit vd cacbonhidrat mang cua cric t6 bao nim gAn phan m6ng chin chrla nhidu axit ui" c6lestdr6n hon so voi mang t6 bao d c6c bQ phin kh,ic' H6y giai nhiAu"u", thich sy khic ndy Phan biet hinh thrfc phdn bio nguy€n phan t6 bdo nhan thuc va phan d6i d te bdo nhAn so Ciu III (3,0 tti6m) mu6i chua rau qud, nguoi ta thulng th€m mot it nu6c dua ct, - thia tludng, Phan I dem ric dUng v6i luqng nuqc du, sau phAn fng, th6y cdn l4i 19,6 gam chdt rin Br Phan dem hon th€m tr6n them 50% lugng luong Al ban ddu, dau, r6i rdi cho t6c dung duns vdi luqng luqns nudc du, ph6n fns xong, xone thdy cdn 20,68 20.68 DhAn fng gam chdr ran 82 Phan dem hon them 75% lugng Al ban ddu, r6i cho tdc dung vdi lugng nudc du dCn kii k6t th6c cdc phdn fng thCy cdn 2t.76 gam chdirin 83 fianh phdn ph6n Lrdm lheo kh6i lugng mdi kim lo?i c6 rrong h5n hgp A b) N6u-dem mQr phdn chdt rin B' d5r lih6ng kht thi duqc 9,6 iam h6niqp a) TInh o gdm ch6t rin, cho toan b0 h6n hgp D tec dung 600 ml du-ng dich HNO3 lM (du) thu duqc dung dioh E chta m gam mu6i nitrat vd V lir khl NO (dktc) ld sen pham nhat Cho toan b0 dune dich E !6c dqns ydLlSQ ml dung dich NaOH lM thu dugc 10.7 gam ch6r k6r tria Tlm gid rr!cna m vri c) Cho todn b6 lugng chat ren B? t c dung vdi dung dich chfa Cu(NO3), vA HrSOa, dun n6ng,'sau phan rtng thu duoc dung dich Ba ch(ra b gam mu6i; th6y thoat 2,24 lit (dlrc) h6n hqp 85 g6rn hai ki6ng mdu, 85 c6 mot bi h6a nau ngodi kidng khi, dsrH, = 5,2; va 10,04 gam h6n hqp hai kim loai hong d6 kiin loai co tinh kht m4nl hon chidm 80.88% vd kn5i lugng Tim gid tri crla b Ceu V (2?5 iti6m) 1/ MOt dung dich A chrla hai mu6i Na2SO3 va Na2S2O3 Cho khl Clz du di qua 100 ml dung dich A 6i them vio h6n hqp s,in phAm m6t luqng du dung dich BaCl2 thdy t6ch 37,28 gam chdt k6t tua N6u cho dung dlch HCI du vAo I00 ml dung dich A thl thu duoc 1,6 gam chdt k6t tua Vi6t phuong trinh ho6 hgc xey va llnh n6ng dd moUllt m6i ch6l rrong dung dich A kii i '|4l- f UL\ 2/ Hda tan phCn s6t - amoni [(NHa)Fe(SOa)r.12HrO] vao- dung dich chtla nh6m sunfat ve a,\it sunfuric ngudi ta thu drlgc 400 ml dung dich A Chia A thdnh hai phen hirg nhau, them BaCl: du vdo phrin I thu duorc 13.98 gam k€t h1a M{t kh6c them tu tt dung dich Ba(O}D2 vao phan vd dun n6ng rhi rhu du c r6i da 16,61 garl chat ket tua, thAy thort 224 ml nhet (dktc); titip tuc then d||ng dich Ba(OlDz d6n du rhi lugng k6t tua lai h 15,05 gam Tinh pH c0a dung dich A (bo qua sU thty phan cua c.ic ion tong nudc) I Ciu I|'I (4,75 tti6m) 1/ Axit dipropyl axetic y > h9c dugc g9i la axit valproic ld mot loai rhu6c ch5ng tlQng kinh a) HAy vi6t c6ng thirc c6u tao vri gqi t6n qu6c t6 oia axit valproic, b) So sdnh d0 tan va d0 dien li cta axit-yabroic_Jdi arit propionic ciAi t:hich t4i qao? c) Vl sao-khi ch6 duqc phdm nguai.ta thong dtrng ihinh axn ma dung muSinitri cUa nOi d) Hey dC nghi m6t so dd phan fng dC dieu che axit valFoic tir mdt anken tiy chgn 2/C6haia,.