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Recent questions tagged q127

One mole of an ideal monoatomic gas is mixed with 1 mole of an ideal diatomic gas. The molar specific heat of the mixture at constant volume is.

asked Mar 5, 2014 by sharmaaparna1

1 answer

Which of the following compounds does not show lassaigne's test for nitrogen ?

asked Mar 3, 2014 by meena.p

2 answers

Write equation of circle whose diametrically opposite point are (1,2) & (-1,-2) is?

asked Feb 10, 2014 by sreemathi.v

1 answer

Let $\;a_{r}=\int\limits_{0}^{\frac{\pi}{4}}\;tan^{r}\;x\;dx$ , then $\;a_{1}+a_{3}\;,a_{2}+a_{4}\;,a_{3}+a_{5}\;$ are in

asked Jan 21, 2014 by yamini.v

1 answer

The maximum kinetic energy of photoelectrons ejected from a metal,when it is irradiated with radiation of frequency $2\times 10^{14}s^{-1}$ is $6.63\times 10^{-20}J$.The threshold frequency of metal is

asked Jan 17, 2014 by sreemathi.v

1 answer

$\lim\limits_{x\to 1}\big[\sec\big(\large\frac{\pi x}{2}\big)$$\log x\bigg]$ is

asked Jan 2, 2014 by sreemathi.v

1 answer

Darwin's Finches are an excellent example of :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

Integrate : $\int \limits_0^{\frac{\pi}{2}} \sin^{\frac{3}{4}} \cos ^3 x dx$

asked Dec 20, 2013 by meena.p

1 answer

Equal weights of Methane and Oxygen are mixed in an empty container at $25^{\circ}C$. The fraction of the total pressure exerted by Oxygen is :

asked Nov 20, 2013 by thanvigandhi_1

0 answers

Nitrobenzene on reduction using Zinc in alkaline medium results in 'X'. The number of sigma $ ( \sigma)$ and pi $ \pi$ bonds in 'X' is :

asked Nov 5, 2013 by thanvigandhi_1

1 answer

The energy difference $( in\: Kcal\: mol^{-1})$ between the staggered and eclipsed conformations of ethane is

asked Oct 21, 2013 by thanvigandhi_1

1 answer

Match the following :

asked Oct 21, 2013 by meena.p

1 answer

Which one of the following sets correctly represent the increase in the paramagnetic property of the ions?

asked Oct 14, 2013 by meena.p

1 answer

The pair of chemicals used as food for yeast in the fermentation of molasses is :

asked Oct 13, 2013 by thanvigandhi_1

1 answer

$CH_4$ diffuses two times faster than a gas X. The number of molecules present in 32 g of gas X is : (N is Avogadro number)

asked Oct 1, 2013 by meena.p

1 answer

If the length of the unit cell is 5 A, the smallest distance in A between the two neighboring metal atoms in a face center cubic lattice is :

asked Sep 25, 2013 by meena.p

1 answer

At $T(k),$ the ratio of kinetic energies of $4\;g$ of $H_{2_{(g)}}$ and $8\;g$ of $O_{2_{g}}$ is :

asked Sep 18, 2013 by meena.p

1 answer

A random variable $X$ has the following probability distribution.\[\]$\begin{array} {llllllll} \textbf{X:}& 0& 1& 2& 3& 4& 5 \\ \textbf{P(X=x):}& 1/4& 2a &3a& 4a& 5a& 1/4 \end{array}$\[\]Then $p(1\leq x\leq 4)$ is

asked May 28, 2013 by poojasapani_1

1 answer

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