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Define ferromagnetism, paramagnetism and diamagnetism, and determine whether the following complexes a) AgCl b) [Fe(CN)6]4- c) [Mn(CN)6]4- d) Co(H2O)6Cl2 are ferromagnetic, diamagnetic or paramagnetic giving a full justification for your reasoning.

Ferromagnetism is the type of magnetism in which the magnetic moments of certain atoms align with the external magnetic field. The examples of ferromagnetic metal are iron, nickel and cobalt.Paramagnetism is...
AB
Answered by Anna B. • Chemistry tutor
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Evaluate the following product of two complex numbers: (3+4i)*(2-5i)

Answer : 26-7iMethod : Expanding the brackets will result in the sum, 6 -15i + 8i - 20i 2 by assessing this you can see that you can evaluate -15i + 8i to be equal to -7i which is the imaginary part of the c...
CB
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Differentate sin(x^2+1) with respect to x

y = sin(x 2 +1) In general, the chain rule is: dy/dx = f(g(x)) = df/dg * dg/dx Applying this to y: dy/dx = d(sin(x 2 +1))/d(x 2 +1) * d(x 2 +1)/dx = cos(x 2 +1) * (2x) = 2xcos(x 2 +1)
Answered by • Maths tutor
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What is the difference between the IMF and World Bank?

The IMF (International Monetary Fund) and World Bank both aim to enable and encourage international trading , however their specific goals are different. The IMF aims to stabilise currencies (making trade af...
Answered by • Geography tutor
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How do I write a good history essay?

A good history essay should show the reader three main things: a good, wide ranging knowledge of the subject, an understanding of the nature of the question and the different factors relating to it, and the ...
WH
Answered by William H. • History tutor
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