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Recent questions tagged q189

The root mean square of a gas at 300K is $3\sqrt{R}$. The molar mass of this gas in $Kg mol^{-1}$ is

asked Apr 7, 2014 by sharmaaparna1

1 answer

The number of enantiomers of the compound $CH_3CHBrCHBrCOOH$ is

asked Mar 5, 2014 by meena.p

1 answer

The electrons in a poly-electronic atom are filled one by one in order of increasing energy level.The energy of sub shells and orientation of orbitals depends upon the values of three quantum numbers(i.e n,l and m respectively ) derived from Schrodinger wave equation. The different orbitals of subshells however possess same energy level and are called degenerate orbitals but their energy level changes in presence of magnetic field and the orbitals are non-degenerate. A spectral line is noticed if an electron jumps from one level to other. The paramagnetic nature of element is due to the presence of unpaired electron. The total Magnetic momentum of $Ni^{2+}$ ion is....

asked Feb 9, 2014 by sharmaaparna1

1 answer

Given $\large\frac{1}{1^4}+\large\frac{1}{2^4}+\large\frac{1}{3^4}$+.....$\infty$ = $\large\frac{{\pi}^{4}}{90}$, then the value of $\large\frac{1}{1^4}+\large\frac{1}{3^4}+\large\frac{1}{5^4}$+....$\infty$ is

asked Jan 23, 2014 by yamini.v

1 answer

Integrate : $\int \large\frac{\sin x +\cos x }{\sqrt {\sin 2x}}$$dx$

asked Dec 30, 2013 by meena.p

1 answer

Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid ?

asked Dec 21, 2013 by thanvigandhi_1

1 answer

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