Top answers

Chemistry
All levels

Define the standard enthalpy of formation

The standard enthalpy of formation of a substance is the enthalpy change when one mole of that substance is formed from the most stable allotropes of its elements in their standard states...

AG
2937 Views

Name two types of chemical bonds and describe each type in terms of their bonding structure and properties

Ionic Bonding 

Ionic bonding occurs between positive ions (cations) and negative ions (anions), which are attracted to each other through their oppisite charges. The resulting comp...

AG
2305 Views

Explain the substitution reaction of a primary halogenoalkane with sodium hydroxide.

First of all, it is important to determine what kind of substitution reaction the halogenoalkane will undergo. We are given the information that it is a primary halogenoalkane, which generally undergo a S...

RS
Answered by Rutger S. Chemistry tutor
4702 Views

Explain why alkenes can have stereoisomers

"Stereo-" refers to 3D space, like with stereo sound involving sound from all directions.  The C=C double bond has no free rotation, as this would require breaking the pi bond, which is energeti...

KB
Answered by Kieran B. Chemistry tutor
2562 Views

What are the three main factors that affect metallic bonding?

A metallic bond is the electrostatic force of attraction between the positive metals ions and the delocalised electrons. The three main factors that affect the strength of a metallic bond are: the number ...

RS
Answered by Rafay S. Chemistry tutor
45227 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