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A catalyst a)increases the average kinetic energy of the reacting molecules b)decreases the activation energy c)alters the reaction mechanism d)increases the frequency of collision of reacting species ...
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Two parabolas y2=4a (x-lambda1) and x2=4a (x-lambda2) always touch each other(lambda1,lambda2 being variable parametres). then their point of contact lies on a ...
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The angle between tangent drawn from the point (3,4) to the parabola y2 -2y+4x=0 is ...
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BC is latus rectum of a parabola y2=4ax and A is its vertex , then minimum length of projection of BC on a tangent drawn in the portion BAC is ...
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Find range of y: y=4{x}3-3{x}-1 ...
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∫xtanx dx can this be done!!! ...
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*Image* ...
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The solublity product constant for Co(OH)3 is 1.6*10-44.What is the solublity of Co(OH)3 in a soluiton buffered at pH=8 ...
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An aqueous solution of methyl amine has pH value 10.64.How many grams of methyl amine are present in 100mL of the solution.Kb=4.4*10-4 ...
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Ionic product of D2O is 1.33*10-15.For what value of pD will the solution be acidic? ...
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Phenol is a weak acid used as a disinfectant.The pH of a 0.01M solution of a sodium phenolate is 11,what is pKa?? ...
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Ionic product of D2O is 1.33*10-15.For what value of pD will the solution be acidic? ...
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Determine pH of a 5% aqueous solution of NaOCl(by weight).Density of solution is 1 g/cc.Ka=3*10-8 ...
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How much (volume) of 0.001 M HCl(aq.) should be added to 10cm3 of 0.001 M NaOH to change its pH by one unit? ...
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0∫2π(sinxcos[x]-cosxsin[x])/(cosxcos[x]+sinxsin[x])dx ...
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How much (volume) of 0.001 M HCl(aq.) should be added to 10cm3 of 0.001 M NaOH to change its pH by one unit? ...
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Plot a curve b/w P vs V plot: A(V0,P0) B(V0,3P0) C(3V0,P0) join A, B, C with straight lines Find Efficiency ...
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This is the famous Tower of Brahma (Tower of Hanoi) problem where it is believed that when this whole thing is completed by priests the world will come to an end. Arrangement: Threre 3 Rods. One containing N discs. In descend ...
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Firstly this not a lengthy question can be solved in 2-3 steps. Two towers of Height H and 2H separated by √3H what is the min velocity required to throw the ball from side of short tower so that it just touches small tower ...
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1.How do curves of following differ(if they) a) y=log3x2 and y=2log3x b) y=2log2x and y=x c) y=tanx.cotx and y=1 2.Sketch the curves of following without help of calculus............ (draw the rough sk ...
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a glass tube with mercury trapped in b/w. length of glass tube 100 cm lenthg of mercury in b/w glass tube of length 20 cm(on both side equal air columns at normal condns) take density of mercury =Ï find : a) ht of air co ...
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a glass tube with mercury trapped in b/w. length of glass tube 100 cm lenthg of mercury in b/w glass tube of length 20 cm(on both side equal air columns at normal condns) take density of mercury =Ï find : a) ht of air co ...
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Q1. A fixed Pt. P(5,2) is given and two points A and B on x=y and y=0, Find: i) coordinates of A for |PA+PB+PC|min ii) coordinates of B for |PA+PB+PC|min iii) value of |PA+PB+PC|min ...
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Q1. A fixed Pt. P(5,2) is given and two points A and B on x=y and y=0, Find: i) coordinates of A for |PA+PB+PC|min ii) coordinates of B for |PA+PB+PC|min iii) value of |PA+PB+PC|min ...
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The ionisation constant of water is [H+][OH-]. Does this mean that whatever concentration os water we take, it will dissossiate into 10 -7 moles of H+ per litre and 10-7 moles of OH- per litre? ...
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'A' is a set containing n elements. A subset 'P' of 'A' is chosen. The set 'A' is reconstructed by replacing the elements. A subset 'Q' is again chosen. Now... ...
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'A' is a set containing n elements. A subset 'P' of 'A' is chosen. The set 'A' is reconstructed by replacing the elements. A subset 'Q' is again chosen. Now... ...
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'A' is a set containing n elements. A subset 'P' of 'A' is chosen. The set 'A' is reconstructed by replacing the elements. A subset 'Q' is again chosen. Now... ...
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'A' is a set containing n elements. A subset 'P' of 'A' is chosen. The set 'A' is reconstructed by replacing the elements. A subset 'Q' is again chosen. Now... ...
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'A' is a set containing n elements. A subset 'P' of 'A' is chosen. The set 'A' is reconstructed by replacing the elements. A subset 'Q' is again chosen. Now... ...
