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Recent questions tagged q131

A quantity of hydrogen gas occupies a volume of 30.0mL at a certain temperature and pressure. What volume of half of this mass of hydrogen occupy at triple the absolute temperature if the pressure were one-ninth the original gas?

asked Mar 5, 2014 by sharmaaparna1

1 answer

Which of the following is most stable

asked Mar 3, 2014 by meena.p

1 answer

Equation of tangent of circle whose centre is (0,0) at a point (2,2) which lie on circle?

asked Feb 11, 2014 by sreemathi.v

1 answer

If 20 is divided into four parts which are in AP such that ratio of product of first and fourth part and product of second and third part is 2:3, then the largest part is

asked Jan 21, 2014 by yamini.v

1 answer

The ionization energy of a H like Bohr's atom is 4 Rydberg.Calculate the wavelength radiated when electron jumps from the first excited state to ground state.

asked Jan 17, 2014 by sreemathi.v

1 answer

$\lim\limits_{x\to 0}\big(\large\frac{x^2+5x+3}{x^2+x+2}\big)^x$ =

asked Jan 2, 2014 by sreemathi.v

1 answer

Integrate : $\int \large\frac{1}{\sin ^2 x \cos ^2 x} $$dx$

asked Dec 21, 2013 by meena.p

1 answer

The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

What is the e.m.f of the cell for the reaction $ Fe^{2+} + Zn \rightarrow Zn^{2+} + Fe$ ? Given that $ E^0_{Zn|Zn^{2+}(1.0M) }=0.76\: V \: and \: E^0_{Fe|Fe^{2+}(1.0M) }=0.41\: V $

asked Nov 20, 2013 by thanvigandhi_1

0 answers

The volume in ml. of 0.1 M solution of NaOH required to completely neutralize 100 ml. of 0.3 M solution of $H_3PO_3$ is :

asked Nov 5, 2013 by thanvigandhi_1

1 answer

Identify the reagents A and B used in the following reactions

asked Oct 21, 2013 by thanvigandhi_1

1 answer

Assertion (A) : The aqueous solution of $CH_3 COONa$ is alkaline in nature. Reason (R) : Acetate ion undergoes anionic hydrolysis.

asked Oct 21, 2013 by meena.p

1 answer

IUPAC name of

asked Oct 15, 2013 by thanvigandhi_1

1 answer

In Gattermann reaction, a diazonium group is replaced by $\underline {X}$ using $\underline{Y},X,Y$ are :

asked Oct 15, 2013 by meena.p

1 answer

A solution of concentration 'C' g equiv/ litre has a specific resistance R. The equivalent conductance of the solution is :

asked Oct 1, 2013 by meena.p

1 answer

Which one of the following pairs represents the intensive properties ?

asked Sep 25, 2013 by meena.p

1 answer

The extent of charge of lead accumulator is determined by

asked Sep 19, 2013 by meena.p

1 answer

Given $E(X+c)=8$ and $E(X-c)=12$ then the value of $c$ is

asked May 28, 2013 by poojasapani_1

1 answer

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