Top answers

All subjects
All levels

What is the evidence that disproves the Kekule model for benzene?

The enthalpy change of hydrogenation of benzene was shown to be less exothermic than 3 times that of hexene, therefore meaning that benzene does not contain three double bonds. X-ray imaging showed that b...

IP
Answered by Ioana P. Chemistry tutor
3365 Views

Outline behaviourism and one objection to it

Hempel’s analytic behaviourism is the view that mental states are a private phenomenon, so cannot be verified in a public, intersubjective sense. Thus, we have to talk about them in terms that are empiric...

Answered by Philosophy tutor
6372 Views

How far and in what way does Juliet grow more rebellious throughout the play?

This would be part of a longer essayJuliet progresses from a fairly timid and passive character to one who grows out of her obedience into pure rebellion, increasing proportionally with her newfo...

Answered by English tutor
11498 Views

How do you know whether to use sin, cos or tan to find the angle in a triangle?

You have to look at the where the angle is located and what sides of the triangle relative to the angle you are given. The hypotenuse is always the longest line of the triangle, the opposite is always the...

FA
Answered by Feranmi A. Maths tutor
3392 Views

Why is benzene more stable than the theoretical model cyclohexa-1,3,5-triene?

In cyclohexa-1,3,5-triene the molecule has 3 single bonds and 3 double bonds where all the electrons are localised. As a result the energy needed to hydrogenate cyclohexa-1,3,5-triene is (3x -120kJ/mol) =...

AP
Answered by Afia P. Chemistry tutor
27110 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning