Top answers

All subjects
All levels

What key factors would you use to analyse a high resolution proton NMR spectrum

Fisrt you would use the chemical shift data of the main peaks, this gives you an idea of the chemical environment of the hydrogen atom that caused this peak. A more downfield signal (higher chemical shift...

BS
1761 Views

What picture of Italian society is conveyed by Webster in the first two acts of 'The White Devil'?

It's really important to think about what key areas the examiner wants you to focus on. For example, you need to demonstrate detailed critical analysis of how language, form and the structure of the play ...

EN
3116 Views

In a geometric series, the first and fourth terms are 2048 and 256 respectively. Calculate r, the common ratio of the terms. The sum of the first n terms is 4092. Calculate the value of n.

A geometric series S always follows the same pattern: S = a + ar + ar^2 + ar^3 ... Here i've labelled the first term a, and the common ratio r. The next term in a geometric series is always the preceding ...

SW
Answered by Sam W. Maths tutor
5800 Views

The quadratic equation (k+1)x^2+12x+(k-4)=0 has real roots. (a) Show that k^2-3k-40<=0. (b) Hence find the possible values of k.

(a) There is a quadratic equation which should e solved using the delta andthe roots formulas.

delta=a2-4ab

delta=144-4(k+1)(k-4)

delta=-4k2+12k+160

Becau...

AB
13068 Views

Háblame de las lenguas de España y cómo contribuyen a la identidad española

En España existen algunas lenguas diferentes, no solo el castellano. El catalán, de Cataluña y las islas baleares, es bien conocido por la gente fuera de España, también el euskera, idioma de los vascos.<...

CM
Answered by Charlie M. Spanish tutor
2867 Views

We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences