Канал: Chemistry HelpChannel

A-level Chemistry.Preparation of a pure dry organic liquid. Case-study:1-bomobutane from butan-1-ol.

A-level Chemistry.Preparation of a pure dry organic liquid. Case-study:1-bomobutane from butan-1-ol.

Sharing is caring part 2

Sharing is caring part 2

Use AI and MS Forms to generate assessment tasks for our students

Use AI and MS Forms to generate assessment tasks for our students

Chemistry A-level. Back titrations. The rationale and worked calculations.

Chemistry A-level. Back titrations. The rationale and worked calculations.

A level chemistry Drawing skeletal formulae for A level chemistry

A level chemistry Drawing skeletal formulae for A level chemistry

A level Chemistry. Naming alkanes with alkyl side chains and alkenes with multiple double bonds.

A level Chemistry. Naming alkanes with alkyl side chains and alkenes with multiple double bonds.

AS Chemistry Understanding structural isomerism.

AS Chemistry Understanding structural isomerism.

Chemistry AS & A-level: Naming organic compounds with multiple functional groups.

Chemistry AS & A-level: Naming organic compounds with multiple functional groups.

GCSE. Writing half equations using electrons

GCSE. Writing half equations using electrons

A level Electrochemistry Introduction (Video 1 of 2)

A level Electrochemistry Introduction (Video 1 of 2)

A level Electrochemistry (video 2 of 2) THIS IS A LONG LESSON- SPLIT IT UP INTO A FEW VIEWS!

A level Electrochemistry (video 2 of 2) THIS IS A LONG LESSON- SPLIT IT UP INTO A FEW VIEWS!

A2 Chemistry Equilibrium constant calculations video 2 of 2

A2 Chemistry Equilibrium constant calculations video 2 of 2

A2 Chemistry Equilibrium Constants- Kc intro and qualitative approach video 1 of 2

A2 Chemistry Equilibrium Constants- Kc intro and qualitative approach video 1 of 2

GCSE. GROUP 1 v GROUP 2 REACTIVITY- VIDEO 3. COMPARISON OF GROUP 1 V GROUP 2 METALS REACTIVITY

GCSE. GROUP 1 v GROUP 2 REACTIVITY- VIDEO 3. COMPARISON OF GROUP 1 V GROUP 2 METALS REACTIVITY

A2 Fats and oils video

A2 Fats and oils video

y14 fats test video

y14 fats test video

Y13 MOCK 1 ANSWERS PART 1 APRIL 2022

Y13 MOCK 1 ANSWERS PART 1 APRIL 2022

Y13 MOCK 1 ANSWERS PART 2

Y13 MOCK 1 ANSWERS PART 2

y13 mock 2 April 2022 answers and feedback video

y13 mock 2 April 2022 answers and feedback video

AS CHEM. Group 7. Explanation of halide ions as reducing agents and halogens as oxidising agents

AS CHEM. Group 7. Explanation of halide ions as reducing agents and halogens as oxidising agents

GCSE balancing half equations with electrons

GCSE balancing half equations with electrons

Chemistry HelpChannel Live Stream

Chemistry HelpChannel Live Stream

A2. Proteins. Video 3 proteins as enzymes.

A2. Proteins. Video 3 proteins as enzymes.

A2. Proteins video 2 primary, secondary and tertiary structure and hydrolysis.

A2. Proteins video 2 primary, secondary and tertiary structure and hydrolysis.

A2. Proteins. Video 1 Structure , zwitterions, physical properties and reactions

A2. Proteins. Video 1 Structure , zwitterions, physical properties and reactions

A2 Amides Video 2 Amides reactions and basicity

A2 Amides Video 2 Amides reactions and basicity

A2 Amides Video 1 Naming and physical props and classification

A2 Amides Video 1 Naming and physical props and classification

A2. AMINES. VIDEO 1 CLASSIFICATION AND PHYSICAL PROPERTIES

A2. AMINES. VIDEO 1 CLASSIFICATION AND PHYSICAL PROPERTIES

A2. AMINES. VIDEO 2 PREPARTAION OF AIPHATIC AND AROMATIC AMINES

A2. AMINES. VIDEO 2 PREPARTAION OF AIPHATIC AND AROMATIC AMINES

A2. AMINES. VIDEO 3 BASIC NATURE AND REACTIONS WITH ACIDS

A2. AMINES. VIDEO 3 BASIC NATURE AND REACTIONS WITH ACIDS

A2. AMINES. video 5 amines with nitrous acid and azo comps and dyes

A2. AMINES. video 5 amines with nitrous acid and azo comps and dyes

A2. AMINES. Video 4 acylation

A2. AMINES. Video 4 acylation

A2 Amines. VIDEO 1 CLASSIFICATION AND PHYSICAL PROPERTIES

A2 Amines. VIDEO 1 CLASSIFICATION AND PHYSICAL PROPERTIES

AS Infra-red spectroscopy. Theory and past paper questions worked examples.

AS Infra-red spectroscopy. Theory and past paper questions worked examples.

AS Alcohols. Classify primary, secondary and tertiary and explanation of physical properties

AS Alcohols. Classify primary, secondary and tertiary and explanation of physical properties

GCSE Organic Chemistry. video 3. Alkenes ( not polymerisation).

GCSE Organic Chemistry. video 3. Alkenes ( not polymerisation).

GCSE Organic Chemistry. video 2. Alkanes properties and reactions.

GCSE Organic Chemistry. video 2. Alkanes properties and reactions.

GCSE Organic Chemistry. video 1. Introduction to organic chemistry

GCSE Organic Chemistry. video 1. Introduction to organic chemistry

GCSE Organic Chemistry. video 7 testing for functional groups

GCSE Organic Chemistry. video 7 testing for functional groups

GCSE Organic Chemistry. video 6 carboxylic acids

GCSE Organic Chemistry. video 6 carboxylic acids

GCSE Organic Chemistry. video 5 Alcohols

GCSE Organic Chemistry. video 5 Alcohols

GCSE Organic Chemistry video 4 Alkene. Addition polymerisation and polymers

GCSE Organic Chemistry video 4 Alkene. Addition polymerisation and polymers

GCSE Chemistry. Transition metals

GCSE Chemistry. Transition metals

GCSE Chemistry Noble Gases (group O) video

GCSE Chemistry Noble Gases (group O) video

GCSE. Halogens (group 7) video

GCSE. Halogens (group 7) video

A2 Acid base theory. Lesson 1. Calculate pH and concentration of strong acids and strong alkalis.

A2 Acid base theory. Lesson 1. Calculate pH and concentration of strong acids and strong alkalis.

A2 Acid-Base theory. Lesson 2. Weak acid theory and calculating the pH of weak acids

A2 Acid-Base theory. Lesson 2. Weak acid theory and calculating the pH of weak acids

A2 Acid-base Theory. Buffers. Lesson 6. Calculating the pH of a buffer.

A2 Acid-base Theory. Buffers. Lesson 6. Calculating the pH of a buffer.

A2 Acid-base Buffers. Lesson 5. Calculating the pH of a strong acid mixed with a strong alkali.

A2 Acid-base Buffers. Lesson 5. Calculating the pH of a strong acid mixed with a strong alkali.

A2 Acid-base. Buffers. Lesson 4. Calculate the pH of a buffer made of a weak acid and its salt.

A2 Acid-base. Buffers. Lesson 4. Calculate the pH of a buffer made of a weak acid and its salt.

A2 Acid-base theory. Buffers: Lesson 3 how a buffer is formed and how it works

A2 Acid-base theory. Buffers: Lesson 3 how a buffer is formed and how it works

A2 Benzene Mechanisms: Halogenation, acylation and alkylation explained.

A2 Benzene Mechanisms: Halogenation, acylation and alkylation explained.

A2 Chemistry. Bonding in benzene and nitration mechanism

A2 Chemistry. Bonding in benzene and nitration mechanism

GCSE ionic bonding dot cross diagrams

GCSE ionic bonding dot cross diagrams

A2 chemistry structure of triglycerides from glycerol and fatty acids

A2 chemistry structure of triglycerides from glycerol and fatty acids

AS and GCSE working out repeating units in polymers from monomers and vice-versa

AS and GCSE working out repeating units in polymers from monomers and vice-versa

A2 Chemistry: Carbonyls nucleophilic addition mechanism by HCN

A2 Chemistry: Carbonyls nucleophilic addition mechanism by HCN

y11 moles test FF

y11 moles test FF

A2 Video 1 Entropy and Gibbs Free Energy (deltaG) explanation and some worked calculations

A2 Video 1 Entropy and Gibbs Free Energy (deltaG) explanation and some worked calculations

Y11 FF moles assessed homework feedback video

Y11 FF moles assessed homework feedback video

A2 Video 2 Entropy and Gibbs Free Energy (deltaG) explanation and worked calculations and answers

A2 Video 2 Entropy and Gibbs Free Energy (deltaG) explanation and worked calculations and answers

A2 Chemistry Enthalpy of solution and hydration calculations theory and calculations video 1 of 1

A2 Chemistry Enthalpy of solution and hydration calculations theory and calculations video 1 of 1

A2 video 2 of 2 optical isomerism worked examples from past papers

A2 video 2 of 2 optical isomerism worked examples from past papers

A2 video 1 of 2 optical isomerism theory

A2 video 1 of 2 optical isomerism theory

A2 Chemistry Video 2 of 2 Born Haber and Lattice Ent Calculations and worked examples

A2 Chemistry Video 2 of 2 Born Haber and Lattice Ent Calculations and worked examples

AS Chemistry: worked examples of empirical and molecular formulae questions.

AS Chemistry: worked examples of empirical and molecular formulae questions.

A2 Chemistry Video 1 of 2 Born Haber Construction and Lattice Enthalpy Calculations

A2 Chemistry Video 1 of 2 Born Haber Construction and Lattice Enthalpy Calculations

GCSE and AS Chemistry equilibrium and Haber process equilibrium, rate and compromise conditions.

GCSE and AS Chemistry equilibrium and Haber process equilibrium, rate and compromise conditions.

GCSE Module C2 (YEAR 12) CCEA moles gas moles calculations.

GCSE Module C2 (YEAR 12) CCEA moles gas moles calculations.

GCSE Module C2. (YEAR 12) Percentage atom economy introduction video 1 of 2

GCSE Module C2. (YEAR 12) Percentage atom economy introduction video 1 of 2

GCSE Module C2. (YEAR 12) Percentage atom economy calculations video 2 of 2

GCSE Module C2. (YEAR 12) Percentage atom economy calculations video 2 of 2

AS CCEA Chemistry substitution reactions of alcohols 2.6.5. Year 2020

AS CCEA Chemistry substitution reactions of alcohols 2.6.5. Year 2020

GCSE: Double Award: Y12 Gas Chemistry. Nitrogen, ammonia, carbon dioxide, oxygen & hydrogen.

GCSE: Double Award: Y12 Gas Chemistry. Nitrogen, ammonia, carbon dioxide, oxygen & hydrogen.

GCSE MOLES IN SOLUTION: C2. (YEAR 12) Video 1. Solution calcs . Mass to conc in mol/dm3 and g/dm3

GCSE MOLES IN SOLUTION: C2. (YEAR 12) Video 1. Solution calcs . Mass to conc in mol/dm3 and g/dm3

AS Chemistry Mechanism: Nucleophilic substitution of halogenalkanes with hydroxide ions.

AS Chemistry Mechanism: Nucleophilic substitution of halogenalkanes with hydroxide ions.

GCSE Moles solutions Video 4. Module C2. (YEAR 12) Moles solution calculations using equations.

GCSE Moles solutions Video 4. Module C2. (YEAR 12) Moles solution calculations using equations.

GCSE MOLES IN SOLUTION: Video 2. (YEAR 12) Module C2. Intro to solution calculations

GCSE MOLES IN SOLUTION: Video 2. (YEAR 12) Module C2. Intro to solution calculations

GCSE Electrolysis of dilute sulfuric acid

GCSE Electrolysis of dilute sulfuric acid

AS Chemistry Geometric isomerism EZ worked examples. Video 2 of 2.

AS Chemistry Geometric isomerism EZ worked examples. Video 2 of 2.

AS Chemistry. Geometric isomerism cis-trans and E Z. Video 1 of 2.

AS Chemistry. Geometric isomerism cis-trans and E Z. Video 1 of 2.

AS Chemistry. Structural Formulae of Organic Compounds.

AS Chemistry. Structural Formulae of Organic Compounds.

AS Chemistry: Haloalkanes Experiments.

AS Chemistry: Haloalkanes Experiments.

AS Chemistry s,p,d electron configuration and ionisation energy theory and problems

AS Chemistry s,p,d electron configuration and ionisation energy theory and problems

AS Chemistry. Intermolecular forces. Worked examples from past paper questions.

AS Chemistry. Intermolecular forces. Worked examples from past paper questions.

AS Chemistry: Intermolecular forces and physical properties

AS Chemistry: Intermolecular forces and physical properties

AS Chemistry:Calculating the formula of a hydrocarbon gas using Avogadros law and combustion data.

AS Chemistry:Calculating the formula of a hydrocarbon gas using Avogadros law and combustion data.

AS Chemistry: Reactions of Haloalkanes with OH aq, ammonia and cyanide ions

AS Chemistry: Reactions of Haloalkanes with OH aq, ammonia and cyanide ions

AS Chemistry: Carbon Carbon bond formation in alkanes and alkenes and their relative reactivities

AS Chemistry: Carbon Carbon bond formation in alkanes and alkenes and their relative reactivities

AS chemistry alkenes: Predicting Major and Minor products of electrophilic addition. .

AS chemistry alkenes: Predicting Major and Minor products of electrophilic addition. .

AS and A2 Chemistry. REDOX; oxidation numbers and REDOX half and full equation writing and balancing

AS and A2 Chemistry. REDOX; oxidation numbers and REDOX half and full equation writing and balancing

GCSE: Moles: Video 10: UNIT C1 (YEAR 11) Calculations on percentage composition of a compound.

GCSE: Moles: Video 10: UNIT C1 (YEAR 11) Calculations on percentage composition of a compound.

AS Chemistry: Avogadro's number calculations worked examples (sound not great on this video)

AS Chemistry: Avogadro's number calculations worked examples (sound not great on this video)

AS chemistry Energetics. Q=mcdeltaT calculations

AS chemistry Energetics. Q=mcdeltaT calculations

AS Chemistry Energetics. Hess's Law

AS Chemistry Energetics. Hess's Law

GCSE & AS Chemistry: Energetics. Mean Bond Enthalpy calculations

GCSE & AS Chemistry: Energetics. Mean Bond Enthalpy calculations

AS Chemistry: Oxidation of alcohols for AS Chemistry

AS Chemistry: Oxidation of alcohols for AS Chemistry

GCSE: Moles. Video 1. UNIT C1 (YEAR 11) .Calculating Relative Formula Mass (RFM and RMM)

GCSE: Moles. Video 1. UNIT C1 (YEAR 11) .Calculating Relative Formula Mass (RFM and RMM)

AS Chemistry: Nucleophilic substitution and elimination of hydroxide ions with haloalkanes

AS Chemistry: Nucleophilic substitution and elimination of hydroxide ions with haloalkanes

AS Chemistry: Electrophilic addition mechanism of alkenes with halogens and hydrogen halides.

AS Chemistry: Electrophilic addition mechanism of alkenes with halogens and hydrogen halides.

AS Chemistry: Free Radical Subs mechanism video for AS Chemistry

AS Chemistry: Free Radical Subs mechanism video for AS Chemistry

AS Chemistry Kinetics/Rates: Maxwell Boltzmann and Reaction profiles for AS Chemistry.

AS Chemistry Kinetics/Rates: Maxwell Boltzmann and Reaction profiles for AS Chemistry.

AS Chemistry Equilibrium Constant (Kc). Qualatitive approach. CCEA Chemistry.

AS Chemistry Equilibrium Constant (Kc). Qualatitive approach. CCEA Chemistry.

AS EQUILIBRIUM THEORY

AS EQUILIBRIUM THEORY

GCSE: Putting State symbols into balanced symbol equations

GCSE: Putting State symbols into balanced symbol equations

GCSE: Writing balanced symbol eqns

GCSE: Writing balanced symbol eqns

GCSE Chemistry Writing formulae of compounds

GCSE Chemistry Writing formulae of compounds

GCSE & AS Chemistry: Writing ionic equations

GCSE & AS Chemistry: Writing ionic equations

GCSE: Explain reactivty of halogens group 7

GCSE: Explain reactivty of halogens group 7

GCSE Solubility: calculations on solubility at GCSE chemistry mpg

GCSE Solubility: calculations on solubility at GCSE chemistry mpg

GCSE: group 1 metals video 1. How group 1 metals react with water.

GCSE: group 1 metals video 1. How group 1 metals react with water.

GCSE: Hard water formation, removal, pro's and con's in GCSE chemistry course.

GCSE: Hard water formation, removal, pro's and con's in GCSE chemistry course.

GCSE: group 1 video 2;explain reactivity of gr 1 metals avi

GCSE: group 1 video 2;explain reactivity of gr 1 metals avi

GCSE; Group 7 reactivity explained

GCSE; Group 7 reactivity explained

GCSE and AS Chemistry: Equilibrium considerations for the Haber process

GCSE and AS Chemistry: Equilibrium considerations for the Haber process

GCSE: Manufacture of aluminium by electrolysis of bauxite

GCSE: Manufacture of aluminium by electrolysis of bauxite

GCSE: electrolysis introduction

GCSE: electrolysis introduction

GCSE: Acids and alkali introduction

GCSE: Acids and alkali introduction

GCSE: Acids and Alkalis topic: Reactions and equations involving acids

GCSE: Acids and Alkalis topic: Reactions and equations involving acids

GCSE: Reactivity series of metals : Displacement reactions and redox.

GCSE: Reactivity series of metals : Displacement reactions and redox.

GCSE Atomic structure and bonding topic: Explanation of Metallic structures

GCSE Atomic structure and bonding topic: Explanation of Metallic structures

GCSE: Ionic structures. Why can ionic substances conduct electricity

GCSE: Ionic structures. Why can ionic substances conduct electricity

GCSE; Atomic structure and bonding. Explanation of the properties of Covalent structures

GCSE; Atomic structure and bonding. Explanation of the properties of Covalent structures

GCSE: Bonding and structures. The properties of Giant Ionic structures

GCSE: Bonding and structures. The properties of Giant Ionic structures

GCSE: Bonding. Dot-cross diagrams for covalent bonding compounds

GCSE: Bonding. Dot-cross diagrams for covalent bonding compounds

GCSE. Bonding and structures. Metallic boning explained

GCSE. Bonding and structures. Metallic boning explained

Using data to deduce structure

Using data to deduce structure

GCSE: Bonding and structures: Using data to deduce structure and bonding

GCSE: Bonding and structures: Using data to deduce structure and bonding

GCSE: Working out numbers of sub-atomic particles and electron arrangement of atoms and ions.

GCSE: Working out numbers of sub-atomic particles and electron arrangement of atoms and ions.

GCSE: Atomic structure: Explanation of what isotopes are.

GCSE: Atomic structure: Explanation of what isotopes are.

GCSE Moles:Video 2 UNIT C1 (YEAR 11) Converting mass to moles

GCSE Moles:Video 2 UNIT C1 (YEAR 11) Converting mass to moles

GCSE MOLES IN SOLUTION: Video 3. (YEAR 12) Module C2. Introduction to Solution calculations.

GCSE MOLES IN SOLUTION: Video 3. (YEAR 12) Module C2. Introduction to Solution calculations.

GCSE Moles: Video 3: UNIT C1 (YEAR 11) Calculations Empirical formula, molecular formula, XH2O

GCSE Moles: Video 3: UNIT C1 (YEAR 11) Calculations Empirical formula, molecular formula, XH2O

GCSE: Moles Calculations: VIDEO 6. UNIT C1 (YEAR 11) Percentage yield calculations

GCSE: Moles Calculations: VIDEO 6. UNIT C1 (YEAR 11) Percentage yield calculations

GCSE: Moles solution calculations. Video 5. Module C2 (YEAR 12) Worked examples of titration calcs.

GCSE: Moles solution calculations. Video 5. Module C2 (YEAR 12) Worked examples of titration calcs.

GCSE: Moles: Video 4. UNIT C1 (YEAR 11) Symbol equations to calculate mass of reactant and products

GCSE: Moles: Video 4. UNIT C1 (YEAR 11) Symbol equations to calculate mass of reactant and products

GCSE Moles: VIDEO 5. UNIT C1 (YEAR 11) Calculations. Water of Crystallisation Calculations

GCSE Moles: VIDEO 5. UNIT C1 (YEAR 11) Calculations. Water of Crystallisation Calculations

GCSE: Moles Video 7: UNIT C1 (YEAR 11) Limiting reactants theory and worked calculations

GCSE: Moles Video 7: UNIT C1 (YEAR 11) Limiting reactants theory and worked calculations