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(chatquestion)...Page No. Date.: Total volatile X and VP 80lution 500mm 3 moles Hg 2 moles 400mm Ho e moles 3 moles find pix e p'y =
other
telegram-54211
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...** percemage of benzene. (d) The vapour will contain a higher percentage of toluene. 162. At 100°C the vapour pressure of a solution of 6.5 g of a solute in 100 g water is 732 mm. If K, =0.52, the boiling point of this solution will be: Leve %3D 1. (d) [NEET (Phase-I) 2016] (a) 102°C 163. The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is: (b) 103°C (c) 101° C (d) 100° C 11. (d)
other
telegram-3740
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...bout the ORGANIC CHEMI Group 1 er Group 11. NOMENCLATURE AND GENERAL Rank mplexes Group 1 creasi Which of the following can show tautomerism ? 3. (1) PI 1. NH (III) F e much (A) IL (A) (C) II The 4. these dinate (B) Mg is pose ting (C) II and (A rth In 5. NH What is the decreasing order of stability of the ions ? 2. I Н,С-нС \ph II Н,С -нС II Ph-HC CH,Ph 0-Ph (B) II > III > | (A) I> || > III (a)
other
telegram-3738
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
Gold crystallizes in a face centred cubic lattice.the number of unit cells
chemistry
class12
asked
Feb 1, 2020
by
abanjali50
1
answer
Why is Mechanical advantage depends on friction
physics
class12
asked
Feb 1, 2020
by
charledomingo40
1
answer
a spring is streched by 3cm when a load of 5.4*10power6 dyne is suspended f
physics
class11
asked
Feb 1, 2020
by
srishtichawla1234
1
answer
THE ANGLE OF PRISM IS 60 AND THE REFRACTIVE INDEX IS 1.5 IF ANGLE OF INCID
physics
class12
asked
Feb 1, 2020
by
parkjisu747
0
answers
(chatquestion)...A calarimeres f mas A calosimekr of water of Equivalent 5ograns contains 50grams f Waler at GUC, When 100 gm ice is added to ît then VesuHant temperature is the D25°c AS Answer - 1bic
other
telegram-1364
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
velocity of charged paticle is doubled & value of magnetic field is reduced
physics
class12
asked
Feb 1, 2020
by
vaibhavivivekkhandkar
1
answer
(chatquestion)...5n/2 elan- (sin x) elan- (sin x) + elan- (cos x) 25. The value of I = dr, is T/2 (A) 1 (В) п (C) e (D) T/2
other
telegram-54194
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Vedantu 17.) CH;-CH,-CH-CH, obtained by chlorination of n- CI butane will be : (a) meso form (b) racemic mixture (c) d-form (d) l-form 18. Analyse the following reaction and identify the nature of A and B
other
telegram-54185
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
A boy of mass 36 kg moves from one end to other end of the boat of mass 72
physics
class12
asked
Feb 1, 2020
by
annnaidu
1
answer
(chatquestion)...CH Cl C. С.Н, CH3ONA → Product (Major)? CH; CH OCH, OCH, C. (1) C. CH, (2) С Н, IН Il CH; ind CH, C. (3) (4) C¿H;-CH=CH, OCH,
other
telegram-54181
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...4. (a) 15 8. (b) 45 (c). 7. elxl dx is equal to (b) e – 1 (d) 2e – 1 (a) e +1 (c) 2e On using elementary row
other
telegram-54178
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(e) [xcos² x dx x coS
other
telegram-54176
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...English- 52 Which has highest number of atoms? 11.2 L of CO2 gas at STP 1 2g of H2 Your Answer 3 2g-atom of C 3g-molecule of SO2 4-
other
telegram-54174
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
Derivation of Gauss theorem in electrostatics
physics
class12
asked
Feb 1, 2020
by
rahulkumar82997
1
answer
The vertices of a triangle are A(1,4,2),B(-2,1,2),C(2,3,-4)find the angles
math
class11
asked
Feb 1, 2020
by
klalitha294
1
answer
(chatquestion)...Q.11 Boolean relation at the output stage-Y for the following circuit is : +5 V Output-Y 5 V Options 1. A + B 2. A+B 3. A· B 4. ...
other
telegram-54165
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...8. Write the IUPAC name of the following compounds. он H2N СООН (a) 2-amino-4-hydroxy benzoic acid (b) 6-amino-4-hydroxy benzoic acid (c) 3-amino-4-carboxyphenol (d) 2-carboxy-4-hydroxyaniline 9. Which acid is present in vinegar? 2020.02.01 12:04
other
telegram-54162
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A uniform sphere of mass m and radius . angle & to without slipping down an inclined plane set at on R horizontal. Find: (i) the friction coefficient at which slipping is absent (ii) the kinetic energy of the sphere t seconds after the bedin of motion.
other
telegram-3733
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...At high altitude, a body explodes at rest into two equal fragments with one fragment receiving horizontal velocity of 10 m/s. Time taken by the velocity vectors of the fragments to make 90° is (g = 10 m/s² ) (a) 0.5 s (b) 4 s (c) 2 s (d) 1 s
other
telegram-54157
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...EXERCISE-IIl (Analytical Questions) Two bodies perfoming S.H.M. have same amplitude 5. ALLEN 1. and frequency. Their phases at a certain instant of are as shown in the figure. The phase difference nd ng between them is 0.5 A (+x) (-x) A 6. (+x) (-x) 0.5A 3 (4) TC (3) 3 (2) Tt (1) -TC 6. nartiglo norforming S H.M. is found at its
other
telegram-54153
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...ferent In a certain oscillatory system, the amplitude of motion is 5 m and the time period is 4 s. The time taken by the particle for passing between points 6. of the auss which are at distances of 4 m and 2 m from the centre and on the same side of it will be (c) 0.33 s (d) 0.35 s (a) 0.30 s (b) 0.32 s
other
telegram-54151
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A string is stretched along the X axis. A disturbance given by the equation y(x,t)= 4 sin TTX cos (10rt), is produced in the string. Where X is in cm andt is in seconds. If the Distance between two adjacent nodes is n cm, then find the value of n.
other
telegram-54139
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A capacitor of capacitance C is charged to V, potential. The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and vice versa. Calculate the heat developed in the connecting wires. 7. (2) cv; (1) 2CV (3) CV? (4) Zero
other
telegram-3730
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A capacitor of capacitance C is charged to V, potential. The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and vice versa. Calculate the heat developed in the connecting wires. 7. (2) cv; (1) 2CV (3) CV? (4) Zero
other
telegram-54135
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Show the mechanirm the Following o + CHGN H, CH3CH,OH CH, CH, OH +kCL Cald 4 CH, CH, CL t KOH Coliluted)
other
telegram-54118
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(c) a is even and b is odd (d) a is odd and b is even 8. From the time the front of train enters a platform, it takes 25 seconds for the back of the train to leave the platform, while travelling at a constant speed of 54 km/h. At the same speed, it takes 14 seconds to pass a man running at 9 km/h in the same direction as the train. What is the length of the train and that of the platform in meters, respectively?
other
telegram-54109
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...3 27. Let S = (x,, y,), S' = (x, y2) Let C = (h, k) quati X'+ bioue x, + x, 2 x, + x, = 2h and Y, + y, = 2k SP S'Q = b°, y, y2 = b and SR S'T = b? X; x, = b? Distance between foci SS = 2ae Aisa kyu hoga V(x - x,)' + (y, - Y.)' = (2ae) (x, - x,) + (y, -y,) = 4a°e² → (x, + x, )' – 4x, x, + (y, + y,) – 4 y,y; = 4a’e 4h? - 4b2 + 4k – 46? = 4(a² – b') dina h + k - 2b? = a² - b² h2 + k' = a? + 6? Locus of centre is x + y? = a² + b? which is a circle. 1 .. Locus lo
other
telegram-54103
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...WB=2g, K, =4.9K kg mol-, WA=25g, AT; =1.62K W3 1000 м, WA AT;=K÷x- 4.9x2x1000 M3 =241.98g mol 1.62x25 2C,Н,СООН (С Н.СООН), if 'x' is degree of association then we would have (1-x) mol of Benzoic acid left undissociated and corresponding x/2 as associated moles of Benzoic acid at equilibrium. Therefore, total number of moles of particles at equilibrium is 1-x+=1- 122 Normal molecular mass Abnormal molecular mass 241.98 122 х =1- 2 241.98 122 241.98 –122 х =1 241.98 241.98 239.96 = 0.992 = 99.2% 241.98 Therefore degree of association of Benzoic acid is Benzene is 99.2 %
other
telegram-54099
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...2rB sHS (1) (2) a? B² (3) (4) AlIMS 2015 17. In damped oscillation mass is 1 kg and ws spring constant 100 N/m, damping coefficient = 0.5 kg s-1. If the mass is displaced by 10 cm from its mean position than what will be the value of its mechanical energy after 4 seconds ? S) (2) 0.067 J (3) 6.7 J (1) 0.67 J (4) 0.5 J NEET-II 2016 A body of mass m is attached to the lower end of 18. 813
other
telegram-54081
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...62. Major product (P) of the given reaction is CH, CH, H,SÓ, >P (Major) CH,O - ОН ОН
other
telegram-3723
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...१०० Page Date Sin3wt. Sindut sinwt 1-costwt) sinut Costo= Co820 QLO0-1 co80+1 2. 1-as0t7sinet Periudre
other
telegram-54079
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A stationary source of sound emits sound of frequency fo. A screen mounted on a vehicle moves 3. with velocity vo towards the source. An observer detects beat frequency f1. If the vehicle moves away from the source with same speed Vo, observe beat frequency f2. Assuming the observer remains stationary between the source and vehicle all the time, if the ratio of beat frequencies 2, find the velocity vo. [Assume the speed of sound in the air to be c.]
other
telegram-54077
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...BEGINNER'S BOX-1 Which of the following functions of time represent (a) SHM and (b) Periodic but not SHM (c) Non-et 1. Ex. motion? (ii) sin ot + cos 2 ot + sin 4 ot (i) cin ot + Cos ot (iii) e-ot (iv) log (ot) (v) sin ot - cos ot (VI) sin3 ot
other
telegram-54073
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
2g of benzoic acid dissolved in 25g of benzene shows deppresion in freezing
chemistry
noclass
asked
Feb 1, 2020
by
gabrielnyumayo
1
answer
(chatquestion)...a spring of negligible mass is T. If along with it from ous 9. ting another mass M is also suspended, the period of oscillation will now be :- T. (3) as (2) T (4) 2T V2 es AIPMT (Pre) 2011 10. Out of the following functions representing motion of a particle which represents SHM : Cos ot (B) y = sin3ot Зл 3ot 4 (C) y = 5 cos 13. Wh (D) y = 1 + ot + m2t2 %3D У1 the (1) Only (A) (2) Only (D) does not represent SHM (1) (3) Only (A) and (C) (2) (4) Only (A) and (B) (3) AIPMT (Mains) 2011 (4) Two particles are oscillating along two close paralle 11. 14. straight lines side by side, with the same frequency and amplitudes. They pass each other, moving Its in opposite directions when their displacement is half Po: is of the amplitude ase differ (2) 0 (1) (1) (4)
other
telegram-54067
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Ques: which followrng statemeut is Coveit? The Elechic Puld at a peint is.. ) always Coutimuous b) Cetinuous if there acharge at that hoint c) discontinuow chauge at tat poud el) discoutinuour if therevi at that unchageat there is a negatire achaye peint,
other
telegram-54064
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Which of the following reaction has zero activation energy Q.4 (B) CI, → 2 CI (A) CH. + CI →CH; + HCI (C) CH, + CH; →CH, + CH, (D) CH, + CI – CI –→ CH, + Cl + CI
other
telegram-54060
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Determine the percentage of kinetic energy lost by a small ball when it makes an elastic head-on collision with stationary bigger ball. The mass of the bigger ball is 12 times bigger than the mass of the small ball.
other
telegram-54054
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...THE PARAGON ACADEMY HYO Page 1 Gerral Ability Q#6 CSS-2018 (A) Sol:- Direct Relation Paint Area Coveved 24 » 50.4 3x 50.4 スxス4 = = 3x 50.4 ス48 50.4 = 6.3 litses %3D %3D 6.3-3 x l00 % % incuase 3.3 x100 % % 11 x 100 % Increase 110 %
other
telegram-54050
asked
Jan 31, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...50. When phenyl magnesium bromide reacts with t-butanol the product would be (b) Phenol (a) Benzene (d) t-butyl phenyl ether (c) t-butyl benzene Which of the following compounds is not suitable solvent for Grignard reagent ? 51. (d) o (0)
other
telegram-54043
asked
Jan 31, 2020
by
balaji.thirumalai
0
answers
block weighing 400 kg rests on a horizontal surface and supports on top of
physics
class12
asked
Jan 31, 2020
by
farahyuusuf99
1
answer
(chatquestion)...3 cm There is a rectangular frame on which two semicircular rings each having massm are connected such that its ends can slip on the sides of the frame. Initially both the rings are connected by a unstretched spring of natural length lo and of spring constant k are touching each other to form a circle. There is thin film (surface tension T) between the semi circular rings and frame as shown in figure. (a) Find the elongation of spring in the equilibrium position of rings. (b) Find the period of the subsequent SHM. [Assume that spring is passing though centre of the circle and whole system is placed on a smooth horizontal plane.] heeee
other
telegram-54027
asked
Jan 31, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...x4 25. 'tan- dx X tan 1 + x2
other
telegram-54025
asked
Jan 31, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...QUSO tvito the physical. Signilicance of BJT and their opplrcaion,
other
telegram-54010
asked
Jan 31, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...a violet color has 98 percent intensity and blue light has 9 percent what is the intensity of other color?
other
telegram-54006
asked
Jan 31, 2020
by
balaji.thirumalai
0
answers
In the given food chain, suppose the energy at the fourth trophic level is
biology
class10
asked
Jan 31, 2020
by
idreesamreen18
1
answer
(chatquestion)...Suppose 5 men out of 100 and 25 women out of 10,000 are colour blind Acolour blind person is choson at random What is the probability of his being a male?(Assume oqual diribution of males and females in the population).
other
telegram-54001
asked
Jan 31, 2020
by
balaji.thirumalai
1
answer
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