Recent questions tagged medium

Calculate the stability constant of the complex $[Zn(NH_3)_4]^{2+}$ formed in the $rx_n$:$Zn^{2+}+4NH_3\rightleftharpoons[Zn(NH_3)_4]^{2+}$. The stability constant 'K' is

asked Dec 10, 2013 by sreemathi.v

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Given the $rx_n, \;2Fe^{3+}(aq)+Sn^{2+}(aq)\rightarrow 2Fe^{2+}(aq)+Sn^{4+}(aq)$ what is the equ.constant of given $rx_n$

asked Dec 10, 2013 by sreemathi.v

1 answer

EMF of the cell $Sn,SnCl_2(0.5M)/AgCl,Ag$ is $0.430V$ at $25^{\large\circ}$C and $0.448$ at $0^{\large\circ}$C. The free energy change$(\Delta G)$, enthalpy change($\Delta H)$ and entropy change $(\Delta S)$ of the cell $rx_n$ at $25^{\large\circ}C$ are

asked Dec 10, 2013 by sreemathi.v

1 answer

The phase constant in radians of a simple pendulum having an initial displacement of 24 units and having an amplitude of .24 is

asked Dec 10, 2013 by meena.p

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The product of time period in seconds and frequency of oscillation in rad/sec of a simple pendulum of length $l$ suspended inside a rocket moving vertically with an acceleration 'a' just above the earth is:

asked Dec 10, 2013 by meena.p

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When three springs are used to suspend a mass what happens to the natural frequency when compared to when each of the spring is used to suspend the same mass:

asked Dec 9, 2013 by meena.p

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The motion of the sea waves when wind is blowing uniformly can be considered as:

asked Dec 9, 2013 by meena.p

1 answer

The mean position and one extreme position of the two different waves represented by $x=23 \sin(2t)$ and $x=5+23 \sin(2t)$ respectively are:

asked Dec 9, 2013 by meena.p

1 answer

The phase constant in radians of a simple pendulum having an initial displacement of 4 units and having an amplitude of 3 is

asked Dec 9, 2013 by meena.p

1 answer

The time period of oscillation in sec of a simple pendulum of length l suspended inside a rocket moving vertically with an acceleration '2a' just above the earth is:

asked Dec 9, 2013 by meena.p

1 answer

When four springs are used to suspend a mass what happens to the natural frequency when compared to when each of the spring is used to suspend the same mass:

asked Dec 9, 2013 by meena.p

1 answer

The motion of an object is given by $x=23 \sin^2(2-3t).$ This is a

asked Dec 9, 2013 by meena.p

1 answer

The mean position and one extreme position of the two different waves represented by $x=10-20 \sin(8t)$ and $x=12+21sin(3t)$ respectively are:

asked Dec 9, 2013 by meena.p

1 answer

The mean position and one extreme position of the two different waves represented by $x=35 \sin(5t)$ and $x=8+23 \sin(8t)$ respectively are:

asked Dec 9, 2013 by meena.p

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The phase constant in radians of a simple pendulum having an initial displacement of $3.9$ units and having an amplitude of $5.2$ is

asked Dec 9, 2013 by meena.p

1 answer

When two springs are used to suspend a mass what happens to the natural frequency when compared to when each of the spring is used to suspend the same mass:

asked Dec 9, 2013 by meena.p

1 answer

Can $SHMs$ have non zero acceleration, velocity and displacement at t=0:

asked Dec 9, 2013 by meena.p

1 answer

The motion of the sea waves when wind is blowing uniformly can be considered as:

asked Dec 9, 2013 by meena.p

1 answer