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Recent questions tagged q136

Oxygen and cyclopentane at partial pressure of 570 torr and 170 torr respectively are mixed in a gas cylinder . The ratio of the number of moles of cyclopentane to the number of moles of oxygen is:

asked Mar 6, 2014 by sharmaaparna1

1 answer

How many optical isomers are possible for the compound abdc - cabd?

asked Mar 3, 2014 by meena.p

1 answer

Find the equation of normal for the circle, $x^2+y^2+2gx+2fy+c=0$ at $(x_1,y_1)$

asked Feb 11, 2014 by sreemathi.v

1 answer

If p, q, r are in increasing AP, then common difference will be

asked Jan 21, 2014 by yamini.v

1 answer

Magnetic moment of $A^{3+}$ ion is $5.48\times 10^{-23}J/T$.Find out the number of unpaired electrons in it.($9.27\times 10^{-24}J/T$=1BM)

asked Jan 17, 2014 by sreemathi.v

1 answer

If $\big(\large\frac{2+\sin x}{1+y}\big)\frac{dy}{dx}$$=-\cos x,y(0)=1$ then $y\big(\large\frac{\pi}{2}\big)=$

asked Jan 2, 2014 by sreemathi.v

1 answer

Integrate : $\int \sqrt {(\sec x -1)}.dx$

asked Dec 23, 2013 by meena.p

1 answer

In leaves of $ C_4$ plants malic acid synthesis during $ CO_2$ fixation occurs in :

asked Dec 20, 2013 by thanvigandhi_1

0 answers

Heat of formation of $ CO\: and \: CO_2 $ are - 26.4 and -94.0 kcal/mole respectively. What is the heat of combustion of $CO$ in kcals ?

asked Nov 20, 2013 by thanvigandhi_1

0 answers

If the equilibrium constant for the reaction $ 2AB \rightleftharpoons A_2+B_2 \: is \: 49$, what is the equilibrium constant for $ AB \rightleftharpoons \large\frac{1}{2}\: A_2 + \large\frac{1}{2}B_2$?

asked Nov 9, 2013 by thanvigandhi_1

0 answers

$ \alpha - D(+)-\: and \: \beta -D\: (+)-$ glucopyranoses are known as

asked Oct 23, 2013 by thanvigandhi_1

1 answer

For a reversible reaction $A \rightleftharpoons B$, Which one of the following statement is wrong from the given energy profile diagram ?

asked Oct 21, 2013 by meena.p

1 answer

Aluminium reacts with $NaOH$ and forms compound 'X'.If the coordination number of aluminium in $'X'$ is 6, the correct formula of X:

asked Oct 15, 2013 by meena.p

1 answer

Identify the correct set

asked Oct 14, 2013 by thanvigandhi_1

1 answer

A system is provided with 50 Joules of heat and the work done on the system is 10 Joules. What is the change in internal energy of the system in Joules?

asked Oct 1, 2013 by meena.p

1 answer

What is the empirical formula of sheet silicates ?

asked Sep 25, 2013 by meena.p

1 answer

For which one of the following reactions,the entropy change is positive?

asked Sep 19, 2013 by meena.p

1 answer

In $5$ throws of a die, getting $1$ or $2$ is a success. The mean number of successes is

asked May 28, 2013 by poojasapani_1

1 answer

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