Chemistry Made Simple

40 Episodes
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By: Matthew Macariou

Helping you understand chemistry topics from A-Level and Advanced Higher. Get more guidance, deeper resources and a helpful community at ChemistryMadeSimple.net If you want to demystify chemistry, yearn for a simpler explanation and want to hear all the tips that will help you at exam time you're at the right place. I'm a chemistry tutor who is used to explaining chemistry in simpler terms, and I love to use an analogy to help with the understanding. Each episode tackles a topic, explaining it as simply as possible - well it is chemistry! The end-of-episode summary will make sure you...

How to Write and Understnd Electron Configuration
#90
Yesterday at 11:15 PM

The download mentioned in this episode:

https://chemistrymadesimple.net/orbital/

In this episode:

What does electron configuration mean for atoms and simple ionsWhich orbitals fill first?Do electrons pair up in orbitals or half-fill the subshell first?The funny thing about 3d and 4s subshellsElectron configuration notation explained

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Email Matthew@ChemistryMadeSimple.net


Join the discussion at the Chemistry Made Simple podcast community.


Check ou...


What is an atomic orbital, and what are the "rules" about orbitals?
#89
09/08/2025

Download mentioned in this episode:

https://chemistrymadesimple.net/orbital/

In this episode:

Definition of an atomic orbitalUsing the probability of an electron's locationDifferent types of atomic orbitalsHow many electrons can be in an orbital, and how they MUST differWhich atomic orbitals exist in which electron shells or energy levelsHow many orbitals of each orbital type

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Quantum Mechanics - Two analogies to help you understand QM and quantum numbers.
#88
09/01/2025

The download mentioned in the episode: chemistrymadesimple.net/quantum

In this episode:

What is Quantum mechanicsAnalogy 1 - Stairs vs EscalatorAnalogy 2- Homemade coffee vs Automated barista coffeeQuantum numbers and their relevance to electrons

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Check out the Chemistry Made Simple academy


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How Quantum Mechanics makes the atom 3 dimensional, effects the shape of molecules, and dictates the periodic table's configuration
#87
08/25/2025

The download mentioned: Chemistrymadesimple.net/2

In this episode we consider how quantum mechanics effects the atomic model and more:

There's more to electron shellsSubshells and orbitals3D shape of orbitalsOrbitals, bond angles and shape of moleculesThe reason the periodic table gets broader down the table


Find out how I can help you throughout your chemistry A-Level here.

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Physical, Organic, or Inorganic? How to navigate these chemistry topic groups.
#86
08/18/2025

In this episode, I discuss:

What is meant by physical, organic and inorganic chemistry?What is generally included in each of these topic areas?How much do these labels matter?When do these labels matter?

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Contact me:

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Email Matthew@ChemistryMadeSimple.net


Join the discussion at the Chemistry Made Simple podcast community.

Check out the Chemistry Made Simple academy


Check out the Chemistry Made Simple academy


Just how DIFFICULT is it to study advanced high school Chemistry? (With top tips from minute 10)
#85
08/11/2025

Studying advanced chemistry can't really be as difficult as people make out, can it?

TLDR: Don't miss the tips that start from minute 10!

Whether you're just thinking about studying chemistry at A-Level or Highers, whether you've committed to do so, or whether you've already started your course you will be aware of all the rumours and worries about what it's like and how difficult it is.

In this episode we look at these questions and concerns about A-Level chemistry:

The chemistry is a big step up!Is memorising the syllabus enough?Is...


What Changes With the Atomic Model When We Introduce Basic Quantum Mechanics?
#84
01/15/2024

Download mentioned in the episode.

In this episode

The basic atomic modelWhy we need to include basic quantum theoryEffect of Quantum Theory on atomic structure modelEffect of Quantum Theory on periodic table

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Experiment Using a Polarimeter to Measure Optical Activity - Including a Novel Analogy
#83
01/01/2024

In this episode, I describe the basic requirements of a polarimeter being used to measure optical activity of a chemical sample and the process of the experiment.

I also introduce a simple yet novel analogy that will help you remember the experimental details.


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What are Optical Isomerism, Chirality, Enantiomers and Plane-Polarized Light
#82
12/28/2023

In this episode:

What is optical isomerismEnantiomersChiral carbon and chiralityAsymmetric carbonOptical Activity and plane-polarized light

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Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.

Check out the Chemistry Made Simple academy

Find out more about the Chemistry Made Simple academy



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Join the di...


How to Use and Understand 'Curly Arrows' in Reaction Mechanisms
#81
11/20/2023

In this episode:

What are curly arrows showingWhy we use a curved arrowMaking a new bondBreaking a bondA special case with two arrows

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Find out more about the Chemistry Made Simple academy



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What are Reaction Mechanisms, Electrophiles and Nucleophiles
#80
11/13/2023

In this episode:

Definition of MechanismHow a mechanism tells more than an equation or a simple diagramDefinition of electrophile with examplesDefinition of nucleophile with examples

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Determining the Rate Equation for a Chemical Reaction
#79
11/07/2023

In this episode:

Two ways to determine the order of reaction for reactantsHow to calculate the rate constant kHow to find the effect of changing temperature on the rate constant k

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What is the Rate Constant, and How to Use it.
#78
10/23/2023

In This episode:

The rate equationThe rate constantHow to determine units for the rate equationOrder of reaction

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What is the rate of reaction, and how can you find it experimentally?
#77
10/16/2023

In this episode:

Definition of rate of reactionHow to plot reaction dataHow to find the rate of reaction

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How To Predict Whether a Reaction Can Proceed, and at what Temperature - Gibbs Free Energy Change
#76
10/10/2023

In this episode

Introduction to Gibbs Free EnergyThe Gibbs Free Energy equationTake care with the units!How to do the calculationHow to Calculate the temperature that a reaction may occur at

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What is Entropy in Chemistry?
#75
09/25/2023

In this episode:

Definition of entropyImportance of entropyDefinitions of feasible, spontaneous, possibleUnits of entropyThe symbol for entropy and entropy changeHow to calculate entropy change

Check out the Chemistry Made Simple academy

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Find out more about the Chemistry Made Simple academy



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Why I started This Podcast
#74
09/19/2023

In this episode, I talk about why I started the podcast, and about the rigid learning expectations of education settings.


Find out more about the Chemistry Made Simple academy



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Join the discussion at the Chemistry Made Simple podcast community.


A quick update
#73
06/30/2023

Listen for a quick update on the podcast plans


How to Create and Use a Born-Haber Cycle
#72
06/12/2023

In this episode:

definition of a Born-Haber cyclehow to construct a Born-Haber cycle (with example)Calculating the lattice enthalpy of formation

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Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.


Check out the Chemistry Made Simple academy


Find out more about the Chemistry Made Simple academy



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What Are Mean Bond Enthalpies?
#71
06/05/2023

In this episode:

Definition of Mean Bond EnthalpyHow the mean bond r]enthalpy is calculatedExamples of enthalpy that are specific, not mean

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Find out more about the Chemistry Made Simple academy



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Standard Enthalpy of Solution ΔHsol
#70
05/31/2023

In this episode:

Definition of Standard Enthalpy of SolutionThe chemical process that is measured by the enthalpy of solution

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Standard Enthalpy of Hydration ΔHhyd
#69
05/29/2023

In this episode:

Definition of Standard Enthalpy of HydrationThe chemical process that is measured by the enthalpy of hydrationExamplesCalculating enthalpies of hydration

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Lattice Enthalpy of Formation ΔHL
#68
05/24/2023

In this episode:

Definition of Lattice Enthalpy of Formation ΔHLThe chemical process described by lattice enthalpy of formationDefinition of Lattice Enthalpy of DissociationExothermic / EndothermicCalculating lattice enthalpies

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Find out more about the Chemistry Made Simple academy



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Electron Affinity ΔHea
#67
05/22/2023

In this episode:

Definition of electron affinityThe chemical process described by electron affinityFirst and subsequent electron affinitiesUse of electron affinity

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Find out more about the Chemistry Made Simple academy



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Ionization Energy ΔHie
#66
05/17/2023

In this episode:

Definition of First Ionization Energy Second and subsequent ionization energiesConfusion about second ionization energyUse of Ionization energy

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Standard Enthalpy of Atomization ΔHat
#65
05/15/2023

In this episode:

Definition of Standard Enthalpy of Atomization Standard ConditionsUse of Standard Enthalpy of atomization

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Jo...


Standard Enthalpy of Combustion ΔHc
#64
05/10/2023

In this episode:

Definition of Standard Enthalpy of CombustionStandard ConditionsComplete combustionUse of Standard Enthalpy of combustion

Recommended listening: How to use the Enthalpy of Combustion

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Standard Enthalpy of Formation ΔHf
#63
05/08/2023

In this episode:

Definition of Standard Enthalpy of Formation Standard ConditionsΔHf for elements When ΔHf for an element is not zeroUse of Standard Enthalpy of formation

Recommended listening: How to use the Enthalpy of Formation



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Find out more about the Ch...


What is a Catalyst in Chemistry?
#62
05/01/2023

In this episode:

Definition of a catalystWhat Catalysts doHow Catalysts workCatalysts case study - motor vehicle's catalytic converter

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Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.


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Find out more about the Chemistry Made Simple academy



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How to Compare Maxwell-Boltzmann Distributions at Different Temperatures
#61
04/24/2023

Check out the Chemistry Made Simple academy

In this episode:

What is the Maxwell-Boltzmann distribution?How the Distribution changes with temperatureTemperature changes and the activation energyTemperature change and effect on rate of reaction

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What is Collision Theory and How Does it Affect the Rate of Chemical Reactions?
#60
04/17/2023

Check out the Chemistry Made Simple academy

In this episode:

What is Collision Theory?What is Activation Energy?The factors that affect the rate of chemical reaction

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What is Mean Bond Enthalpy and How Do I Use It?
#59
04/10/2023

Check out the Chemistry Made Simple academy

In this episode:

Definition of Bond dissociation enthalpyDefinition of mean bond enthalpyUsing Mean bond enthalpy to find the enthalpy of reactionWhy Mean bond enthalpy gives an estimate not an exact value

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Co...


How to use Enthalpy of Formation and Enthalpy of Combustion to Calculate Enthalpy of Reaction - Hess's Law
#58
03/27/2023

In this episode:

What is Hess's LawUsing Standard Enthalpy of Combustion to calculate ΔHrUsing Standard Enthalpy of Formation to calculate ΔHr

Contact me if you're interested in a follow-along Hess's Law masterclass:

Find out more about the Chemistry Made Simple academy



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Join the discussion at the Chemistry Made Simple podcast community.


Become a Patreon supporter of the podcast and get more from each episode. patreon.com/chemistrymadesimple



How to Calculate Enthalpy Changes for Combustion and Neutralisation
#57
03/22/2023

In this episode:

Definition of standard enthalpy changes and standard conditionsStandard Enthalpy of CombustionStandard Enthalpy of formationMeasuring enthalpy changes in the labSources of experimental inaccuracies

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Become a Patreon supporter of the podcast and get more from each episode. patreon.com/chemistrymadesimple


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Check out the Chemistry Made Simple academy


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Find out more about the Chemistry Made Simple academy



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What is Enthalpy and Enthalpy Change?
#56
03/13/2023

Become a Patreon supporter of the podcast and get more from each episode. patreon.com/chemistrymadesimple


Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.

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In this episode:

Definition of enthalpyEnthalpy changeΔHEnthalpy level or energy level diagrams

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Find out more about the Chemistry Made Simple academy



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What is Thermochemistry and Chemical Energetics? An Introduction to Thermochemistry
#55
03/06/2023

In this episode:

What is thermochemistry?What is thermochemistry used for?The units of energyExothermic and endothermic reactionsThermochemistry with Reversible Reactions

Become a Patreon supporter of the podcast and get more from each episode. patreon.com/chemistrymadesimple


Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.

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Check out the Chemistry Made Simple academy

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Find out more about the Chemistry Made Simple academy



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Using Mass Spectroscopy to Catch Cheating Athletes
#54
02/27/2023

In this episode:

Definition and use of molecular ionHow Fragments are created in the Mass SpectrometerUse of fragments in analysisUses of Mass spectrometry in the real world

Find out more about the Chemistry Made Simple academy



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Join the discussion at the Chemistry Made Simple podcast community.

High Definition mass spectrometry

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How to Use the Data Sheet with Infra Red Spectra
#53
02/20/2023

In This episode:

What is Infra Red spectrometry?How does Infra Red Spectrometry work?Using the Data Sheet to find the compound typeThe fingerprint region

Become a Patreon supporter of the podcast and get more from each episode. patreon.com/chemistrymadesimple


Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.

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Check out the Chemistry Made Simple academy


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Find out more about the Chemistry Made Simple academy



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Simple Test Tube Reactions to Identify Organic Compond
#52
02/06/2023

In this episode:

Why you need to know these testsTest for alkenesTests for aldehydesTests for alcoholsTests for HalogenoalkanesTests for carboxylic acids

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Check out the Chemistry Made Simple academy

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The Reactions of Alcohols and How to Get What You Want from Alcohols.
#51
01/30/2023

In this episode:

Categories of alcoholsElimination or Dehydration of AlcoholsCombustion of AlcoholsOxidation of ALcoholsHow to get the desired product from oxidising alcohols

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Become a Patreon supporter of the podcast and get more from each episode. patreon.com/chemistrymadesimple


Prefer to say a quick 'thank you'? You can buy me a coffee if that's your jam.

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Check out the Chemistry Made Simple academy

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