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What is Le Chatelier's principle and why is it important?

Le Chatelier's principle states, that when a system that is in equilibrium is subject to a change of concentration, volume, pressure or temperature, the equilibrium will shift to counteract this change. T...

IH
4757 Views

find the stationary point of the curve for the equation y=x^2 + 3x + 4

dy/dx = 2x +32x + 3 = 0x= 3/2(3/2)2 + 3(3/2) + 4 = 2.25 + 4.5 + 4 = 10.75

IH
3130 Views

A straight line passes through the point (0, 6) and is perpendicular to y = 4x - 5. Find the equation of this line, giving your answer in the form y = mx + c .

perpendicular so the gradient is -1/4
y= -1/4x +CSub in the coordinate (0,6)
6 = -1/4 (0) +C
C=6y=-1/4x +6

MS
Answered by Maria S. Maths tutor
8107 Views

factorise x^2 - 8x -65

Two numbers add/ subtract to make -8Two numbers multiply to make -65. These are 1 and 65 as well as 5 and 13Seeing as 1 and 65 cant add or subtract to make -8 the numbers we'll use are 5 and 13. These als...

KC
Answered by Kavi C. Maths tutor
5034 Views

Explain the meaning of the terms (a) gene and (b) allele

Gene = the portion of DNA coding for a particular proteinAllele = one of the alternative forms of a gene

CF
Answered by Charlotte F. Biology tutor
2724 Views

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