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Recent questions tagged unit9

The name hydrogen was proposed by

asked Jan 22, 2014 by sreemathi.v

1 answer

Hydrogen finds a place in VII group of periodic table because

asked Jan 22, 2014 by sreemathi.v

1 answer

The lightest element in the periodic table is

asked Jan 22, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{x^2}{(x \sin x + \cos x)^2}$$dx$

asked Dec 24, 2013 by meena.p

0 answers

If $f'(x) =2x -3x^2$ and $f(0)=4; $ find $f(x)$=?

asked Dec 23, 2013 by meena.p

0 answers

Find the value of $ \int \limits _0^{\infty} \large\frac{\tan^{-1} (ax)}{x(1+x^2)}$$dx$

asked Dec 20, 2013 by meena.p

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Integrate : $\int (x+1)^2$

asked Dec 20, 2013 by meena.p

0 answers

Integrate: $\int \limits_0^{\rho} \large\frac{y.dy}{\sqrt {y+\rho}}$

asked Dec 17, 2013 by meena.p

0 answers

For the reaction $A\rightarrow B$ the rate law expression $-\large\frac{d[A]}{dt}$$=k[A]^{1/2}$.Select the correct statement:

asked Dec 16, 2013 by sreemathi.v

1 answer

For first order decomposition reaction,$A(g)\rightarrow B(g)$ rate of formation of B against time t will be:

asked Dec 16, 2013 by sreemathi.v

1 answer

$\int \limits_0^n \{x\} dx = \int \limits_0^n x-[x]dx=\large\frac{n}{2}$ if $n=2$ then $y=?$

asked Dec 13, 2013 by meena.p

0 answers

Consider the following first order types of $Rx_n$ $x\;\; \underrightarrow {K_1}\;\;A+B,y\;\;\underrightarrow {K_2}\;\;C+D,z\;\;\underrightarrow{K_3}\;\; E+F$ if $50\%$ of $Rx_n$ y was completed when $7.5\%Rx_n$ of x and $87.5\%Rx_n$ of z completed then relation between $K_1,K_2$ & $K_3$

asked Dec 13, 2013 by sreemathi.v

1 answer

Integrate: $\int \large\frac{2}{3} \frac{e^x \sqrt {e^x-4}}{e^x+g}$$dt$

asked Dec 12, 2013 by meena.p

1 answer

Integrate $\int \limits_0^1 x^m (1-x)^n.dx$

asked Dec 11, 2013 by meena.p

1 answer

Find the sum of the following series : $ 1^{2} + 2^{2} + 3^{2} + 4^{2} + .... + 20^{2}$

asked Nov 19, 2013 by harini.tutor

1 answer

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