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Draw [Cu(H2O)6]2+ and explain why is it blue in colour.

[Cu(H2O)6]2+ is and octahedral shaped complex which I shall draw on the whiteboard. It is blue for thw following reasons: When the water ligands bond to the Cu2+ ion, it causes the d orbitals to split into 2...
AJ
Answered by Amaya J. • Chemistry tutor
63563 Views

How do you know when do use the subjunctive?

The subjunctive mood in Spanish is used to talk about desires, wishes, doubts and possibilities. In other words, it's used to talk about things that are not completely certain. It is also used when two claus...
RG
Answered by Royona G. • Spanish tutor
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What is action painting and where does it stand in modern art?

Action painting is an artistic style and technique consisting in the splashing, spilling and throwing of paint directly onto the canvas. It was developed in America in the middle of the 20th century (1940-19...
EP
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Explain what is meant by tensile stress and tensile strain.

Tensile stress is the force exerted per unit cross-sectional area on an object. Tensile strain is the extension per unit original length of an object.
PJ
Answered by Penelope J. • Physics tutor
27228 Views

Given that z = a + bj, find Re(z/z*) and Im(z/z*).

By definition z* = a - bj. We can write z/z* = ((a+bj)/(a-bj))*(a+bj)/(a+bj). We calculate this to be z/z* = (a^2-b^2)/(a^2+b^2) + j(2ab)/(a^2+b^2). Therefore, Re(z/z*) = (a^2-b^2)/(a^2+b^2). Im(z/z*) = (2ab...
PJ
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