Top answers

Chemistry
All levels

Explain whether phosphine or ammonia has a higher boiling point


Background knowledge Boiling point reflects the strength of intermolecular forces. The more attracted molecules are to each other, the more energy is needed to separate them and tu...

JP
Answered by Jadwiga P. Chemistry tutor
37800 Views

I am struggling to with unseen organic chemistry mechanism. I don’t know where to begin drawing them.

The purpose of a mechanism in organic chemistry is to show the movement of electron density leading to the reaction. Keeping this in mind, when faced with the starting materials, the first thing to identi...

DS
Answered by Darius S. Chemistry tutor
2478 Views

How does a catalyst and increasing temperature affect the rate of reaction?

For a reaction to occur between particles (reactants) they must overcome an energy barrier. This is called the activation energy. A catalyst provides an alternative pathway for the reaction, that has a lo...

JD
Answered by Jacob D. Chemistry tutor
45963 Views

Whats the difference between covalent and ionic bonding?

Covalent bonding involves the sharing of pairs of electrons. The atoms involved are non-metals such as carbon, oxygen and hydrogen. When these atoms join together they form molecu...

HM
Answered by Harriet M. Chemistry tutor
3450 Views

Define the term Covalent Bond

A covalent bond is formed by a shared pair of electrons between two atoms.

RO
Answered by Rex O. Chemistry tutor
3217 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