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Recent questions tagged q171

The mean kinetic energy of a molecule at $0^{\large\circ}C$ is $5.62\times10^{-14} erg$ . Calculate Boltzmann's Constant . If the value of $R = 8.314\times10^7 erg$ . and also calculate the no. of molecules present in one mole of gas.

asked Apr 2, 2014 by sharmaaparna1

1 answer

The carbon- carbon length in benzene is :

asked Mar 5, 2014 by meena.p

1 answer

Sodium atom emits light with a wavelength of 330nm when an electron moves from a 4p orbital to a 3s orbital. what is the energy difference between the orbitals in KJ/mol?

asked Feb 6, 2014 by sharmaaparna1

1 answer

Sum of the series $\;S=\large\frac{4}{7}-\large\frac{5}{7^2}+\large\frac{4}{7^3}-\large\frac{5}{7^4}+.....\;\infty\;$ is :

asked Jan 23, 2014 by yamini.v

1 answer

If $\lim\limits_{x\to a}\large\frac{a^x-x^a}{x^x-a^a}$$=-1$ and $a > 0$ then $a$=?

asked Jan 6, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{\sec^4 x }{\sqrt {\tan x}}$$dx$

asked Dec 24, 2013 by meena.p

1 answer

About 70% of the total global carbon is found in :

asked Dec 21, 2013 by thanvigandhi_1

0 answers

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