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What do you need to know to do well in the CAT?

You are not expected to have any prior knowledge about ancient languages when taking this admissions test. Rather, it is designed to test your aptitude - your ability to think in a way which will allow you t...
LS
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How do you find and solve a composite function?

Composite functions can be thought of as 'functions within functions'. For example, let's suppose that f(x) = x 3 g(x) = x + 5 defined for all real numbers. (Note: composite functions may have a different no...
LG
Answered by Lisa G. Maths tutor
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When should I use qui/que/ce qui/ce que?

Qui, que, ce qui and ce que are all relative pronouns. This means that they link a noun with a relative clause. Qui and que can be roughly translated as that/which C e qui and ce que work similarly to qui an...
SJ
Answered by Shannon J. French tutor
21162 Views

What is a racemic mixture?

To explain a racemic mixture it is firstly necessary to explain what an enantiomer is. Enantiomers are stereoisomers that are non-superimposable mirror images of each other. An enantiomer has no plane of sym...
KG
Answered by Katie G. Chemistry tutor
24734 Views

What is the difference between a weak and strong acid?

To answer this question it is easiest to firstly define both a weak and strong acid. A strong acid is an acid that completely dissociates into its component ions in solution. A weak acid only undergoes parti...
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Answered by Katie G. Chemistry tutor
7459 Views