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Recent questions tagged q173

0.553 g of a boron - hydrogen compound created a pressure of 0.658 atm in a bulb of 407 mL at $100^{\large\circ}C$. Analysis showed it to $85.7\%$ boron . Calculate its molecular formula.

asked Apr 3, 2014 by sharmaaparna1

1 answer

Hydrogenation of the below compound in the presence of poisoned palladium catalyst gives,

asked Mar 5, 2014 by meena.p

1 answer

The dissociation energy of $H_2$ is 430.53KJ. If $H_2$ is exposed to light energy of wavelength 253.7 nm , what $\%$ of light energy will be converted into kinetic energy?

asked Feb 6, 2014 by sharmaaparna1

1 answer

If $log\:_{5.2^{x}+1}^{2}$, $log\:_{2^{x-1}+1}^{4}$ and 1 are in HP, then

asked Jan 23, 2014 by yamini.v

1 answer

Let $f(a)=g(a)=k$ and their $n^{th}$ derivatives $f^{(n)}(a),g^{(n)}(a)$ exist and are not equal for some n. Further if $\lim\limits_{x\to a}\large\frac{f(a)g(x)-f(a)-g(a)f(x)+g(a)}{g(x)-f(x)}$$=4$ then the value of K is

asked Jan 6, 2014 by sreemathi.v

1 answer

$\int x \sin x \cos x dx$

asked Dec 24, 2013 by meena.p

1 answer

World Summit on Sustainable Development ( 2002 ) was held in :

asked Dec 21, 2013 by thanvigandhi_1

0 answers

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