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What are the differences between simple covalent and giant covalent bonding?

In terms of the structure, simple covalent substances are made up of molecules. These molecules are bonded together by a shared pair of electrons, which forms the strong covalent bond. Between molecules, wea...
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Answered by Harry H. • Chemistry tutor
97155 Views

Solve the following simultaneous equations y + 4x + 1 = 0, y^2 + 5x^2 + 2x = 0

Here we can either use the substitution method or the elimination method. The elimination method here would be hard to carry out due to there being no term which we can make equal in terms of only one of the...
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Answered by Alex W. • Maths tutor
4766 Views

What is differentiation used for in the real world?

Differentiation is very helpful in the real world, in many different fields. In terms of business and economics, being able to derive maximum and minimum values of certain functions can prove extremely usefu...
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Answered by Daniel O. • Maths tutor
6729 Views

Differentiate sin(x)*x^2

Notice that (sin(x))'= cos(x) and (x^2)' = 2x We use the product rule to differentiate, by noticing the expression is a product. so (fx gx)' = f'x gx + fx*g'x substituting in we get (sin(x)*x^2) = cos(x)*x^2...
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Answered by Drenusha G. • Maths tutor
3658 Views

What is a synapse?

a junction between 2 neurones
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Answered by India G. • Biology tutor
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