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In transition metals, where does the formation of colour come from?

The answer for this stems from the very definition of what a transition metal is: a metal that can form one or more stable ions with partially filled d-subshell. The partially fill d-subshell part is crucial...
CW
Answered by Charles W. • Chemistry tutor
3931 Views

What is the difference between form and structure?

At first thought, the difference between form and structure can seem very fine, and it may be that at times they overlap, but there is certainly a difference. Form is concerned with ideas of genre that surro...
AS
135684 Views

Can you explain where the "Integration by parts" formula comes from?

Sure. If you remember how to calculate d/dx(uv) then you can understand how integration by parts works. d/dx(uv) = u(dv/dx) + v(du/dx). we can re-arrange this: u(dv/dx) = d/dx(uv) - v(du/dx). Now integrating...
CF
Answered by Christian F. • Maths tutor
4188 Views

Find the derivative of the curve e^(xy) = sin(y)

First we have to identify that implicit differentiation is used to solve this question. We can differentiate the first the LHS first, by using the chain rule, we know that the differentiation of e^(xy) is e^...
GG
Answered by Gouri G. • Maths tutor
8513 Views

Differentiate (2a+3)^5/2 with respect to a

Let u=2a+3, therefore du/da=2. Let y=u^5/2, therefore dy/du=5/2(u)^3/2 Hence dy/da=du/da*dy/du=2(5/2)*u^3/2=5u^3/2
GT
Answered by George T. • Maths tutor
4582 Views