atomic structure, Chemistry

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what is the mass of a proton and electron

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Explain about optical rotation, Optical rotation (optical activity) is the ...

Optical rotation (optical activity) is the turning of the plane of linearly polarized light about the direction of motion as the light travels by certain materials. It happens in s

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Wheat bran   The useful role of wheat bran in promoting regularity in colonic function and preventing constipation is generally accepted. In addition, growing research has focu

Aluminium used as a reducing agent of metals. why?, The free energy change...

The free energy change for the formation of oxide of aluminium is highly negative ( -1000 to -1100) so , it can easily reduce any metal oxide abve it easily in ellingham diamgram a

Help!, Calculate the theoretical voltage of the following galvanic cell: Ni...

Calculate the theoretical voltage of the following galvanic cell: Ni|10^-3 mol/l Ni(NO3)2 || 1 mol/l AgNO3|Ag. Write the equations for the half reactions of this cell.

Find the degree of dissociation and hydrogen ion molality, For the dissocia...

For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t

Phosphate of a metal m has the formula, Phosphate of a metal M has the form...

Phosphate of a metal M has the formula M 3 (PO 4 ) 2  The formula for its sulphate would be: (1) MSO 4                                                    (2) M (SO 4

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