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What is the Product Rule?

The product rule is used when differentiating two functions that are multiplied by eachother. The formula for the product rule is: 

U (dv/dx) + V (du/dx)    where 'dv/dx' is the differential of the...

AW
Answered by Abbie W. Maths tutor
3290 Views

The lattice enthalpies of calcium oxide and magnesium oxide are different. Comment on this difference.

Differences in size of an ionic lattice are directly linked to differences in how exothermic the lattice enthalpy of a salt is. 

Mg2+ has a smaller radius than Ca2+  and thus ...

JE
Answered by Javier E. Chemistry tutor
15466 Views

How do I use Pythagoras?

Pythagoras theorum is used to identify the lengths of any side on a right angle triangle. The theorem is as follows:

a2  + b2 = c2    

We assume that the hyp...

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Answered by Abbie W. Maths tutor
3001 Views

What is Sonata Form?

Sonata Form is a type of musical structure in 3 main parts (Exposition, Development, and Recapitulation), it is one of the most popular musical structures traditionally used by composers.

The first...

MB
Answered by Michael B. Music tutor
4542 Views

What is the difference between 'SER' and 'ESTAR'

Ser is used to talk about permanent or lasting attributes DOCTOR is a good acronym to use:  Descriptions, Occupations, Characteristics, ...

CM
Answered by Charlie M. Spanish tutor
2088 Views

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