Skip to content

Crunch Chemistry

The ultimate A level chemistry resource

  • Fundamentals
    • Maths skills for chemists
    • Calculations for AS and A level Chemistry
    • Working with gases
    • Atoms and ions
    • Bonding and Structure
    • Environmental chemistry
  • Inorganic chemistry
    • Redox reactions
    • Explaining the chemistry of Group 2 metals
    • Explaining the chemistry of the Group 7, the halogens
    • Bonding in the nitrogen oxides and oxyanions
    • Trends in Period 3
    • Transition metal chemistry
  • Organic chemistry
    • How do organic reactions actually happen?
    • Stabilising carbocations through inductive and mesomeric effects
    • Alkanes and Crude Oil
    • Alkenes
    • Halogenoalkanes
    • Alcohols
    • Carbonyl compounds
    • Organic nitrogen compounds
    • Benzene and other aromatic molecules
  • Physical chemistry
    • Acids, bases, buffers and pH
    • Chemical equilibria
    • Electrochemistry
    • Enthalpy changes
    • Entropy
    • Reaction kinetics
    • Solubility
  • Analytical chemistry
    • How does electromagnetic radiation affect molecules?
    • Atomic absorption and emission spectroscopy
    • Mass spectrometry
    • Infrared spectroscopy
    • Nuclear magnetic resonance spectroscopy
    • Mixed spectra long answer exam question practice
    • Everything you need to know about chromatography
    • Qualitative analysis
  • Newsletters …
  • 1:1 chemistry tuition …

Tag: half equation

Cat Links Fundamentals, Inorganic chemistry

Writing balanced redox equations using half equations

Posted on May 17, 2022October 2, 2024 Sarah Parkes

Given two half equations, we need to be able to write a fully balanced redox equation both under acidic and

Continue readingWriting balanced redox equations using half equations

Cat Links Fundamentals, Inorganic chemistry

What is a redox reaction?

Posted on May 16, 2022February 11, 2025 Sarah Parkes

Reactions in which both oxidation and reduction occur are called redox reactions. The acronym OILRIG might be familiar, reminding us

Continue readingWhat is a redox reaction?

Recent Posts

  • Amides and polyamides
  • The chemistry of amines
  • Don’t know what your calculations mean? You’re not alone!
  • Mixed spectra long answer exam question practice
  • Understanding the structure of benzene

Recent Comments

No comments to show.
  • Contact me!
  • About me ….
Copyright © 2025 Crunch Chemistry | Signify Education by WEN Themes
Scroll Up