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Sodium chloride and sodium metal can both conduct electricity under differing conditions. Give the conditions required for each to conduct electricity and explain how each conducts electricity.

Sodium chloride will conduct electricity only when it is in a liquid state or in solution, this is because the ions are free to move in this state, allowing them to carry charge and conduct electricity. S...

TJ
Answered by Tanmayi J. Chemistry tutor
37912 Views

Find the equation of the tangent to the curve y^3 - 4x^2 - 3xy + 25 = 0 at the point (2,-3).

This is an example of implicit differentiation where we have to consider both the y-terms as well as the x-terms. The first step is to deal with each term on the left hand side individually. This gives us...

TJ
Answered by Tanmayi J. Maths tutor
4807 Views

Differentiate with respect to x: (6x + 7)e^x

Product Rule: dy/dx (uv) = u'v + uv'
Let u = 6x+7 and v = e^x. Using simple disintegartion, u' is 6 and v' is e^x.
Therefore, answer is: 6e^x + (6x +7)e^x

AR
Answered by Aisha R. Maths tutor
4037 Views

How do you write an effective and concise introduction to a history essay in an exam?

The purpose of an introduction is to show the examiner that you: understand the question being asked, can outline the various ways of approaching said question and that you have a clear argument. To do th...

TP
Answered by Toby P. History tutor
4717 Views

What should I focus on specifically when analysing a play or dramatic text?

It is important to remember that any play or dramatic text will have 'non-physical' or 'literary' aspects that refer to the literature as something to be read by a reader, as well as 'physical' aspects wh...

LS
10993 Views

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