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(chatquestion)...56. Most polar molecule among the following is (1) (2)...(??)
other
telegram-56409
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...DEmpies Copper has an FCC structure and the atomic radius is 1.278A. Calculate the density of copper crystal. Given atomic weight of copper as 63.5g and Avogadro's number of 6.02 X 10. Calculate the density of the atom. Calculate the number of atoms per unit call and predict the crystal structure of the metal which has a lattice parameter of 2.9A and density of 7.9g/cm'. The atomic weight is 55.85 and the Avogadro's constant is 6.023 X 1023
other
telegram-56406
asked
Feb 11, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...(a)...(How can a displacement time graph starts from negative x axis, can time be negative ?)
other
telegram-56400
asked
Feb 11, 2020
by
balaji.thirumalai
0
answers
O and c are the centre of two circles whose radius are 13 cm.and 3 cm. Resp
math
class10
asked
Feb 11, 2020
by
mp1006687
0
answers
How many hydrogen bonds are present in three turns of dsDNA if 20% nucleoti
biology
class12
asked
Feb 11, 2020
by
myblackheart863
0
answers
Picture question - class 12 - chemistry
chemistry
class12
asked
Feb 11, 2020
by
akhan078608
1
answer
Picture question - class 8 - physics
physics
class8
asked
Feb 11, 2020
by
veniabhi98
0
answers
Calculate the wavelength of the first and second line in the Balmer series
physics
noclass
asked
Feb 11, 2020
by
sundaydamilola36
0
answers
Calculate the wavelength of the second lines in the e p fund of the hydroge
physics
noclass
asked
Feb 11, 2020
by
sundaydamilola36
0
answers
Picture question - class 11 - chemistry
chemistry
class11
asked
Feb 10, 2020
by
tilak.gudapuvalasa
0
answers
(chatquestion)...Which of the following plant growth response is primarily due to the action of auxins ? (a) Cell elongation (b) Leaf abscission (c) Cell division (d) Fruit development...(Ans plz)
other
telegram-56378
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...-mpared (3) [Co (NH)4 Cl,JCI (4) [Co (en),Cl,JCI Out of the following which complex will show geo (1) (3) L 64, +3 metrical isomerism ? 3 (1) [Pt(NH,),Cl,] (3) Na [Ni(CN),] 13. WH ge (2) Ni(CO), (4) K[Ag(CN),) 3/2 only' vith a х? acig Which of the following complexes will show opti- cal isomerism ? (1 65 (1) [Cr(NH,),P- (3) [Pt(NH,),Br]NO, (2) [Ni(H,0),JP* (4) [Cr(en),JCl, 74 exes ion 66 The compound (Cr(H,0),JCI, and procont ISE.P65...(Q.65 please solve it with reason please)
other
telegram-56362
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...lim sec- 2X Inx is equal to 6. TC * xd+ x6 to (2)0 ne(1) T In 2 (4) In 2 (3) Tn In 2 epol (S)
other
telegram-56357
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
The equation of transverse and conjugate axes of hyperbola are X+2Y-3=0 in
math
class12
asked
Feb 10, 2020
by
mehekf7
1
answer
Two unbiased dies are thrown.find the expected values of some of numbers of
math
noclass
asked
Feb 10, 2020
by
aishaaachi6
1
answer
Picture question - class 12 - physics
physics
class12
asked
Feb 10, 2020
by
rksingh181228
0
answers
Picture question - class 9 - chemistry
chemistry
class9
asked
Feb 10, 2020
by
marvellousalenbalulu
0
answers
(chatquestion)...In the circuit shown below, key is pressed at time t= 0. Choose the correct statement. 1000 2 6 µF 500 Ωξ 5002 K 4 V (1) At time t= 0, current flown through the battery is 4 mA (2) At timet → ∞, current flown through the battery is 4 mA (3) At time t→ 0, charge on capacitor is 1.2 µC (4) At time t→ 0, charge on capacitor is 6 µC 3.
other
telegram-56329
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Picture question - class 11 - math
math
class11
asked
Feb 10, 2020
by
adabalasridevi779
1
answer
(chatquestion)...The ratio of initial to final current through the battery when the switch is closed in the figure is per lelllll R. (2) 00 (1) Zero (4) 4. (3) 3 (2)...(Can anyone solve?)
other
telegram-56313
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Picture question - class 9 - math
math
class9
asked
Feb 10, 2020
by
tnsuresh70
1
answer
Picture question - class 12 - math
math
class12
asked
Feb 10, 2020
by
kirandeepkaurbhullar04
2
answers
(chatquestion)...34. Two plane mirrors A and B are parallel to each other and spaced 26 cm apart. An object is placed in between them at 9 cm from A. Out of the following at which point an image is not formed in mirror A (Distance measured from mirror A):- (1) 43 cm (2) 61 cm (3) 69 cm (4) 95 cm
other
telegram-56311
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
Picture question - class 6 - physics
physics
class6
asked
Feb 10, 2020
by
odeghedolor
0
answers
(chatquestion)...13. Increasing tendency for SN1 and SN2 reaction is : CH, (IV) CH,-C-CI CH, (I) CH,CH,CH – CH, (II) CH,CHCH, – CI CH, @ CH3CH,CH,CH,CI снсндя SN1 ;I < III < II < IV (B) SN2 ; IV < II < III < I (C) (A) and (B) both are correct (D) Both incorrect...(Option B why wrong?)
other
telegram-56309
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Under the same condition of temperature and pressure hydrogen diffuse 6 tim
chemistry
class9
asked
Feb 10, 2020
by
odeghedolor
0
answers
(chatquestion)...The major product formed in the reaction is: 12 OCH, + E- (electrophile) OCH, (A) (B) E- -OCH, -OCH, -OCH, (D)...(Please anyone explain.)
other
telegram-56307
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(by strictly decreasing ne intervals in which the following functions are strictly increasing or decreasing: (a) x + 2x - 5 10 - 6x - 2x (b) -2x-9x- 12x + 1 (e) (x + 1) (x - 3) (d) 6- 9x - x? 2x Show that y= log(1+ x)- 2+x x > - 1, is an increasing function of x throughout its domain. D. Find the values of x for which y = [x(x - 2)1? is an increasing function. 4 sin 0 -e is an increasing function of e in 0, IProve that y = (2+cos 0)
other
telegram-56299
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...8.01x Classical Mechanies: Problem Set I 5. Vertical Collision Mary wants to throw a can straight up into the air and then hit it with a scd can. She wants the collision to occur at height h- 5.0 m above the therw point In addition, she knows that she needs - 4.0 s betwern muccossive throws Ame that she throws both cans with the same speed. Take g to be 0.81 m/. CATI %3D (a) How long it takos (in seconda) after the first can has been thrown into the air for the two cans to collide? Answer to 4 significant figures (b) Find the initial speed of the cans (in meters/second) to 4 signifieant figures
other
telegram-56297
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Picture question - class 12 - physics
physics
class12
asked
Feb 10, 2020
by
hussainjafar776
1
answer
(chatquestion)...10 cm. Calculate the resultant force on the charge at B. What is its direction? 10 cm q=- 100 uC Two positively charged particles, each of mass 1.7 x10-27 kg and carrying a charge of 1.6 x10-19 Care placed at a distance d apart. If each experiences a repulsive force equal to its weight, find the value of d. ABC is a right angled triangle. Calculate the magnitude of force on charge -Q. q=- 100 µC Ctrl 3a 9Q 90° 5a 16Q...(Qiestion 9 please)
other
telegram-56295
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Picture question - class 12 - math
math
class12
asked
Feb 10, 2020
by
yogesh.yb718
1
answer
Picture question - class 10 - biology
biology
class10
asked
Feb 10, 2020
by
demonking85236
1
answer
6. A manufacturing company is engaged in producing three types of products;
noclass
asked
Feb 10, 2020
by
clickmanus
3
answers
Why √2*64*105*32became64*102*√10
physics
class12
asked
Feb 10, 2020
by
bhartigarhe79
0
answers
(chatquestion)...The ionisation constant of NH in water is 5.6 x 100 25°C. The rate constant of the reaction of NH and OH to form NH, and H,O at 25°C is 3.4 x 100 L mols. The rate constant for proton transfer from water to NH is: (a) 6.07 x10 s! (c) 6.07 ×10S1 at (b) 6.07 x10-10 (d) 6.07 x1010s
other
telegram-56290
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...The curves x^(2) +y^(2) +6x - 24y +72 = 0 and x^(2) - y^(2) +6x +16y - 46 = 0 intersect in four points P,Q,R and S lying on a parabola. Let A be the focus of the parabola, then AP+AQ+AR+AS=?
other
telegram-56288
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Picture question - class 12 - physics
physics
class12
asked
Feb 10, 2020
by
amitsinghas.82as
0
answers
(chatquestion)...3414 Example 8. Calculate the S ion concentration in saturated solution (0.1 M) of H,S whose pH was adjusted to2 by the addition of HCI. (K, =1.1×10 ) %3D 2H * +S2- [H*]° [s? ] H2S Solution: Ka %3D [H,S] [S²-]=K«[H,S] or [H ]? [H*] =1x10-2 M H2S is a weak electrolyte, So, [H2S] 0.1 M So, pH = 2;
other
telegram-56285
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
Picture question - chemistry
chemistry
noclass
asked
Feb 10, 2020
by
ishitapuri07
1
answer
(chatquestion)...Equal volumes of three acid solutions of pH 3, 4 and 5 are mixed in a vessel. What will be the H ion concentration in the mixture? (b) 1.11 x10 3M (d) 3.7 x10 M (a) 3.7 x10 3M (c) 1.11 x10 4M [Ans. (d) ] 10-4M ut1-10 M for the...(Ans is coming out to be b)
other
telegram-56282
asked
Feb 10, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...dt = x in (0, 1) is/are Number of solutions of o V4-t2 -t3 (A) (B) (C) (D) none of these
other
telegram-56276
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...5).Show that the velahon a defirel by Ca.b) RCC, c)S Q+d = b+c on the set AXA where A: {1, 2,3,4.· 10j 1s an equivalence velation. Hence wuk the equivalence claus [C3,4),] a,b,c,dEA A %3D
other
telegram-56272
asked
Feb 10, 2020
by
balaji.thirumalai
0
answers
(chatquestion).... Which physical quantity has unit JC? Is it a vector or a scalar quantity?
other
telegram-56261
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...D. The barrier potential of a p-n junction depends on I. type of semiconductor material II. amount of doping III. temperature Which one of the following is correct? (a) I and II (c) II and III (b) Only II (d) All of these
other
telegram-56258
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released when an electron jumps from the first excited state (n = 2) to the ground state of hydrogen atom is (a) 3.4 eV (c) 10.2 eV (b) 4.53 eV (d) 13.6 eV
other
telegram-56255
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
(chatquestion).... Outside a nucleus, (a) neutron is stable (b) neutron is unstable (c) proton and neutron both are stable (d) proton and neutron both are unstable
other
telegram-56249
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...The spectral series of the hydrogen atom that lies in the visible region of the electromagnetic spectrum (a) Paschen ( (d) Brackett (b) Balmer (c) Lyman
other
telegram-56246
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...The critical angle of a certain medium is 3. The polarising angle of the -1 sin medium is (€) (e) 5. (b) tan (a) sin- -1 -1 (c) tan 4. -1 (d) tan 3.
other
telegram-56243
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A polarised light of intensity I, is passed through another polariser whose pass axis makes an angle of 60° with the pass axis of the former. What is the intensity of emergent polarised light from second polariser? (a) I = Io (c) I = I,/5 (b) I = I,/6 (d) I,/4 %3D
other
telegram-56240
asked
Feb 9, 2020
by
balaji.thirumalai
1
answer
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