krishna

i have free speech.my topic is have ever done anything that you wish you hadn't done?what happened and how the situation might have been different if you had acted or thought differently. really i don't know,how can i speak because i don't know about this...

if the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, find k. all i know is that its related to finding a derivative and i m basically completely lost....can please someone provide me some help?????

2.35*10^-4M,,Mg(OH)2 what is the pH of this solution

for depolarization of 1 mole of KMnO4, the moles of H2O2 required is_________

the distance between two stations is 340 km two trains start simultaneously on parallel tracks to each other . the speed of one of them is greater than that of the other by 5 km/hr. if the distance between the two trains after 2 hrs of their start is 30 k...

what is a nouns

a pulley is used to lift a mass with a force of 900N to a height of 10 metres in 2 minutes.find the work done by the force and also the power

Of the three angles of a triangle one is twice the smallest and another one is thrice the smallest. Find the angles

the 10th term of an arithmetic sequence is equal to the sum of 40 and 5th term.If the 15th term is 127 what is its common difference?what is its first term?what is the sum of the first 30 terms.

the answer is not clear

Quinine has a tertiary amine group so acts as base QN + H2O -----> QNH+ + OH- given pka is 8.52 -log ka=8.52 ka= 3*10^-09, for conjugate acid base pair at 25degrees Celsius kw= ka*kb therefore Kb= kw/ka = 10^-14/ 3*10^-09 = 3.4 *10^-06 from equation kb=[Q...

C6H6 + (CH3)3Cl -AlCl3---> C6H5(CH3)3 C6H5(CH3)3 ---- HNO3/H2SO4--> para-NO2 C6H5(CH3)3---- major ortho-NO2 C6H5(CH3)3---- minor

thanks so much!

2m

SIR PLEASE EXPLAIN THE ANSWER

I was going to post it anyway

x=(-6,0) y=(0,18)

C=qy

3 Cu2S + 8 SO4{-}2 + 8 H{+} = 6 CuO + 11 SO2 + 4 H2O

Prove that the area of circular path of uniform width h surrounding a circular region at radius r is pi h 2r+h

Thank you- this is very helpful