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Chemistry
All levels

Is breaking bonds endothermic or exothermic?

A quick way to remember this is BENDO MEX:

Breaking bonds is ENDOthermic = +ve enthalpy change

Making bonds is EX<...

LS
Answered by Laura S. Chemistry tutor
5755 Views

What is the diRfference between Oxidation and Reduction?

An easy way to remember the difference between Oxidation and Reduction is OIL RIG:

Oxidation

Is

Loss (of ele...

LS
Answered by Laura S. Chemistry tutor
4696 Views

What are Acids and Bases?

Acids, by definition, are proton donors, so will donate a H+ ion to a base. Examples of acids may be HCl or ethanoic/acetic acid (a.k.a. vinegar).

Base...

OT
Answered by Omri T. Chemistry tutor
5758 Views

Basic Reactions of Acids.

Any chemical that dissociates to give an Hion is classified as an acid.  There are stong and weak acids but at GCSE you only need to know some key reactions which apply to both weak and st...

KT
4084 Views

What is Le Chatelier's principle and how do you apply it to reversible reactions?

Le Chatelier's principle is commonly known as the quilibrium law and it is useful in order to be able to analyse reversible reactions and how changing the conditions will affect which way the reaction ...

MA
11462 Views

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