35 thpt yen phong 2 bac ninh nam 2017 lan 1 co loi giai
35 thpt yen phong 2 bac ninh nam 2017 lan 1 co loi giai
... H3x +12 y + O x + y +1 N x + 2y ắắắ đ (2x + 6y )CO2 + (1, 5x + 6y + 1) H 2O ce bo ok 3x + 12 y + ỡ n CO2 = n H 2O đ 2x + 6y = ù ỡx = 2 ù đớ ị n E = 0, 0658 mol + Ta cú: 14 ,88 y = 0, 7353 ù n NaOH = n ... + 01 + T (1) , (2) ta tớnh c: x = 0 ,13 16 mol ; y = 0, 0484 mol; z = 0 ,11 41 mol Vy H tá ch C6H12O2N (Lys) ắắắ đ C2H 3ON + (CH ) NH + H 2O hi D ỡC2H3ON :x mol ỡ BT:Cđ nCO = 2x + 4...
35 thpt yen phong 2 bac ninh nam 2017 lan 1 co loi giai
... dịch A 2nZn2+ + 2nMg2+ 8nN2O 2nH2 hỗn hợ p B BT:N = 0,0 625 mol nNaNO3 = 2nN2O + nNH 4+ = 0,3 625 mol BT:H nNaHSO4 = 10 nNH 4+ + 10 nN2O + 2nH2 = 2, 225 mol nH 2O = nNaHSO4 4nNH4+ 2nH2 = 0,9375mol ... ta co CTTQ ca E la: O2 ,t C2x + 6y H3x +12 y + O x + y +1N x + 2y (2x + 6y )CO + (1, 5x + 6y + 1) H 2O 3x + 12 y + n CO2 = n H 2O 2x + 6y = x = 2 n E = 0, 0658 mol + Ta co: 14 ,88 y...
16 thpt luong tai so 2 bac ninh nam 2017 lan 1 co loi giai
... U R 12 U R 2 ị 8U MB 12 = U R 12 U R 2 (1) 2 2 Mt khỏc: U R1 + U MB1 = U R + U MB = U 01 ị U R 2 = U R 12 + U MB 12 - U MB 2 oc ị U R 2 = U R 12 - 7U MB 12 ( ) H (1) , ( ) ị 8U MB 12 = U R 12 (U R 12 - ... =2 bo ok v0 > ị j = - arccos Cõu 7: ỏp ỏn B ce Theo bi ta cú l1 T g ị l1 = ; g 4p w w w fa T1 = 2p T = 2p l1 - l2 = g T2 = 2p T 12 g T 22 g 4p 4p = g l2 T g ị l2 =...
2 thpt han thuyen bac ninh nam 2017 lan 1 co loi giai
... exclusive D 11 B 21 B 31 B 41 B D 12 A 22 D 32 C 42 D B 13 D 23 D 33 D 43 B C 14 B 24 C 34 C 44 C C 15 25 A 35 A 45 B D 16 A 26 C 36 A 46 C A 17 C 27 C 37 A 47 B A 18 D 28 C 38 A 48 B D 19 A 29 A 39 ... trẻ ngày 17 C Compulsory = required: yêu cầu/ bắt buộc 18 D Give a hand = help: giúp đỡ 19 A Secret: giữ bí mật ≠ revealed: tiết lộ 20 A Appropriate: phù hợp ≠ unsuit...
6 thpt thuan thanh bac ninh nam 2017 lan 1 co loi giai
... l: A 16 8 0 36 B 48 018 C 60 0 D 700 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 01 B 0,757 m A 2,958m www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 ỏp ỏn 11 -D 12 -C 13 -B 14 -B 15 -C 16 - D 17 -C 18 -A 19 -A ... v 15 prụtụn bo Cõu 39: Chn cõu tr li ỳng Khi lng ca ht nhõn 10 Be l 10 , 011 3(u), lng ca ce notron l mn =1, 0086u, lng ca prụtụn l m p = 1, 0072u ht ca ht nhõn B...
10 thpt han thuyen bac ninh nam 2017 lan 1 co loi giai
... 33C 4A 14 D 24C 34D 5B 15 D 25C 35A 6A 16 D 26C 36D 7C 17 A 27A 37B 8C 18 D 28D 38C 9B 19 A 29B 39C 10 D 20A 30A 40A 01 1B 11 B 21B 31D oc Cõu 1: ỏp ỏn B Cõu 2: ỏp ỏn C D Mng in dõn dng pha Vit Nam cú ... C 12 ; 10 0 W D 12 ; 15 0W D B 10 ; 10 0 W H giỏ tr no ca R thỡ cụng sut mch cc i, giỏ tr cc i ú? A 10 ; 15 0W hi Cõu 35: Mt lc n c treo vo trn mt thang mỏy nT Khi th...
31 thpt ham long bac ninh nam 2017 lan 1 co loi giai
... oc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 Trang www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 PHN TCH HNG DN GII THI TH THPT HM LONG BC NINH ... CO2 + 18 n H 2O = mdd tăng ợ44 (1, 5a+ b) + 18 (2a+ b) = 13 ,23 ợb = 0,09 ợ Vy mM = 57nC2H3ON + 14 n-CH + 18 nH 2O = 6,075(g) Cõu 22: Chn A t0 aOH ắắđ HCOONa + HO - CH - COONa +...
16 thpt thuan thanh bac ninh nam 2017 lan 1 co loi giai
... Trang 6 10 A C B D C B A B B C 11 12 13 14 15 16 17 18 19 20 A C D B C B A D A C 21 22 23 24 25 26 27 28 29 30 B A D C B D C A C C 31 32 33 34 35 36 37 38 39 40 B A A B B A C A C C 41 42 43 44 ... underlined part that needs correction Question 16 : Both bowling and ice-skating was introduced by the Dutch who colonized the New World A B C D in the 16 0 0's Question 17 : The...
5 thpt nong cong 2 thanh hoa nam 2017 lan 1 co loi giai
... Vy 1s vt t õy ta cú = 3 30 10 thc hin c 10 dao ng thnh phn P 0, 2 25 0, 2 25 = = = 1, 79 .10 -4 W / m2 2 S 4.p R 4.p 10 Khi ú mc cng m ti ú l ổ 1, 79 .10 -4 I = 10 log ỗ ữ = 82 ,53 dB - 12 I0 ố 10 ứ ... 2kp l oc l Ê 15 ị -4 ,5 Ê k Ê 3, H Ê d Ê 15 ị Ê 7 ,5 + ( 2k + 1) 01 l ỡ l ù d - d1 = ( 2k + 1) ị 2d = 15 + ( 2k + 1) ùợ d + d1 = 15 ị cú im dao ng vi biờn cc i trờn...
19 so gddt tinh bac ninh nam 2017 lan 1 co loi giai
... m A 13 ,8 B 15 ,8 C 19 , 9 D 18 ,1 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 H oc 01 Câu 30: Kết thí ... Tinh bột, saccarozơ, fructozơ B Tinh bột, xenlulozơ, saccarozơ C Tinh bột, xenlulozơ, fructozơ D Tinh bột, xenlulozơ, glucozơ Câu 40: Phân tử khối peptit Gly–Ala A 14 6 B...
thpt chuyen bac can bac can nam 2017 lan 1 co loi giai
... 2-A 12 -A 22-D 32-D 3-C 13 -B 23-A 33-B 4-D 14 -A 24-B 34-C 5-C 15 -B 25-A 35-B 6-B 16 -D 26-D 36-B 7-D 17 -A 27-C 37-B 8-A 18 -C 28-D 38-D 9-B 19 -A 29-A 39-C 10 -C 20-B 30-B 40-B 01 1-A 11 -B 21- A 31- ... DH1 U 22 = ( DH1 ; DH l nhng hao phớ) DH U12 ị DH1 = 10 0% - 80% = 20% Trang 11 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01...
26 thpt phuong son bac giang nam 2017 lan 1 co loi giai
... www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 www.facebook.com/groups/TaiLieuOnThiDaiHoc 01 PHN TCH HNG DN GII THI TH THPT PHNG SN BC GIANG LN Cõu 1: Chn B m H 2O D H 2O V 23, 4 .1 = = = 1, 3 mol 18 18 18 ... 10 : Chn C up s/ Ni,t - Phng trỡnh: (C17H33COO)3C3H5 + 3H2 ắắắ đ (C17H35COO)3C3H5 mol: 0 ,15 0 ,15 ị m ( C17H 35COO)3 C3H = 0 ,15 .890 = 13 3,5 (g) c om /g ro Cõu 11 : Chn...
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