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Explain why graphite conducts electricity.

As carbon is in group 4 of the periodic table it has 4 electrons that it can share with other atoms to form covalent bonds. In the graphite structure, only 3 of these electrons are used for forming covalent ...
JF
Answered by Joshua F. • Chemistry tutor
3359 Views

How can I avoid waffle in my essays?

The first step to avoiding waffle in your essays is to plan, plan, plan! Taking five or ten minutes out of your timed essays to effectively plan and layout your points will help you to stick to your argument...
LD
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The equation of line 1 is: 3y-5x+3=0. The equation of line 2 is : y= 5x/3+9. Check whether the 2 lines intercept.

Rearranging the first equation: 3y=5x-3Then dividing by 3 so that the equation of the line will become in the form of y=mx+c, where m is the gradient and c is the interception point with the y-axis (0,c)We g...
PG
Answered by Panagiotis G. • Maths tutor
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Translate the following sentence: Manchmal gehe ich mit meinen Frenden aus, damit wir ins Kino gehen oder ansonnsten einkaufen gehen koennen.

Sometimes I go out with my friends so that we can go to the cinema or otherwise go shopping.
EE
Answered by Edward E. • German tutor
2148 Views

Expand the brackets in the following expression and indicate what the graph would look like: y=(5x+1)(2x-3)

While this question is not in the style the examiners would ask, it demonstrates two important principles: how to expand brackets accurately and how to build intuition about the shape of graphs. Answer: y = ...
EE
Answered by Edward E. • Maths tutor
3753 Views