Top answers

All subjects
All levels

Why does ethanoyl chloride have a lower boiling point that pentanoyl chloride?

This question is referring to the size of molecule and its relation to boiling point. The boiling point is higher when the intermolecular interactions are weaker. Intermolecular interactions are weaker in...

TH
Answered by Tom H. Chemistry tutor
3944 Views

How do you factorise a quadratic? Something like x^2 + 4x + 3

When factorising a quadratic the idea is to separate it into two brackets, so first, I usually write out the empty brackets like this; (x___)(x___) You then need to think of numbers that you can put in th...

JA
Answered by Jordan A. Maths tutor
3082 Views

How does natural selection work to make a population look different?

We can break down the process of natural selection into a few steps: genetic variation within a population, a selective pressure which favours a particular trait, increased survival and therefore reproduc...

NS
Answered by Natasha S. Biology tutor
3144 Views

When do we use the verb ser and when do we use the verb estar?

In Spanish there are two different verbs for the verb "to be" in English, Ser and Estar. The two are not interchangeable, as they have two different uses. We use the verb ser when we are describ...

MN
Answered by Madeleine N. Spanish tutor
2830 Views

Is momentum a vector or a scalar quantity?

Momentum of an object is the product of its mass and velocity (p=m x v). Since mass is a scalar quantity and velocity is a vector quantity, we can derive that momentum must therefore be a vector quantity ...

MN
Answered by Madeleine N. Physics tutor
73187 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences