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Explain why cyclohexene will react with bromine gas but benzene will not

Cyclohexene contains a double bond, which has a greater electron density than the system of pi-bonds present in a benzene molecule. This means that a dipole can be induced in the bromine molecule due to t...

Answered by Stefanos R. • Chemistry tutor

11879 Views

Prove the identity (4cos(2x))/(1+cos(2x)) = 4-2sec^2(x)

Write down the formulas involving cos2x and select the one which involves only cosine, this is because cosine (or derivations of it) is the only trigonometric function in this question. Substitute the cho...

Answered by Tegan N. • Maths tutor

13669 Views

What is the subjunctive and when do you use it?

In French, the subjunctive is a "mood" (conjugation of a verb) which is used when expressing wish, hope, fear, uncertainty or other attitudes and feelings towards something. You should try to us...

Answered by Hettie B. • French tutor

2560 Views

When do you know when you're supposed to add the female marker at the end of the past participle.

To know if we have to add the female marker, we have to ask ourselves this question: is the auxialiary "to be" (être) or "to have" (avoir).

If the auxialiary is to have, you do...

Answered by Solenn C. • French tutor

2070 Views

How do I apply theories into my essays and answers

When writing essays in a subject like media, the main focus is to plan your answers before answering the question. Planning is vital especially because media is a subject for which your answers do not alw...

Answered by Parisa K. • Media Studies tutor

3595 Views