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Find the curve whose gradient is given by dy/dx=xy and which passes through the point (0,3)

First "Separate the Variables" by rearranging the equation to get the ys on the LHS and the xs on the RHS: (1/y) dy=x dx Now Integrate: Integral(1/y) dy = Integral(x) dx ln(y)=x 2 /2 + constant of ...
CC
Answered by Christian C. • Maths tutor
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State and explain the general trend in first ionisation energy across Period 3

As you go across period 3 there is a general increase in the trend of the first ionisation energy. This is because the atoms have a greater charge on the nucleus (this means they have more protons). However,...
HB
Answered by Helen B. • Chemistry tutor
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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
64613 Views

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
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