Канал: KEGS Chemistry

KAC 31.3 - Single Step Redox Titration Calculations

KAC 31.3 - Single Step Redox Titration Calculations

Paper Chromatography: Solvent Effect

Paper Chromatography: Solvent Effect

Experiment: Temperature Changes in a Displacement Reaction

Experiment: Temperature Changes in a Displacement Reaction

KAC30.6 - Redox II: Extracting Half-equations from a Redox Equation

KAC30.6 - Redox II: Extracting Half-equations from a Redox Equation

Temperature Changes During and After a Reaction

Temperature Changes During and After a Reaction

Zinc-Copper Electrochemical Cell Demonstration

Zinc-Copper Electrochemical Cell Demonstration

Standard Hydrogen Electrode Demonstration

Standard Hydrogen Electrode Demonstration

KAC25.10a - Preparing Reaction Mixtures for Initial Rates Experiments

KAC25.10a - Preparing Reaction Mixtures for Initial Rates Experiments

Effect of Charged Rod on Liquids

Effect of Charged Rod on Liquids

KAC 5.1 - Titrations: Understanding the Principle

KAC 5.1 - Titrations: Understanding the Principle

KAC5.2 - Titration Calcaulations

KAC5.2 - Titration Calcaulations

Gas Collection Over Water

Gas Collection Over Water

Reaction of Iodine and Sodium Hydroxide - a Disproportionation reaction

Reaction of Iodine and Sodium Hydroxide - a Disproportionation reaction

Measuring Conductivity of Solids and Aqueous Solutions

Measuring Conductivity of Solids and Aqueous Solutions

Following pH Changes During Neutralisation

Following pH Changes During Neutralisation

Using Crucibles

Using Crucibles

Gas Collection in a Gas Syringe

Gas Collection in a Gas Syringe

Acid and Metal Oxide Reaction: Nitric Acid and Copper(II) Oxide

Acid and Metal Oxide Reaction: Nitric Acid and Copper(II) Oxide

Acid and Metal Hydroxide Reaction: Hydrochloric Acid and Sodium Hydroxide

Acid and Metal Hydroxide Reaction: Hydrochloric Acid and Sodium Hydroxide

Buffer Demonstration 2: Partially Neutralised Weak Acid

Buffer Demonstration 2: Partially Neutralised Weak Acid

Acid and Metal Carbonate Reaction: Sulfuric Acid and Magnesium Carbonate Powder

Acid and Metal Carbonate Reaction: Sulfuric Acid and Magnesium Carbonate Powder

Acid and Metal Reaction: Citric Acid and Magnesium Ribbon

Acid and Metal Reaction: Citric Acid and Magnesium Ribbon

Buffer Demonstration 1: Weak Acid and its Salt

Buffer Demonstration 1: Weak Acid and its Salt

Measuring Conductivity of Dilute Acids in Water

Measuring Conductivity of Dilute Acids in Water

Comparing Reactions of Hydrochloric Acid and Ethanoic Acid with Sodium Carbonate and Magnesium

Comparing Reactions of Hydrochloric Acid and Ethanoic Acid with Sodium Carbonate and Magnesium

KAC31.6 - Titrations II (Redox): Finding Mole Ratio (Stoichiometry) from Multiple Equations

KAC31.6 - Titrations II (Redox): Finding Mole Ratio (Stoichiometry) from Multiple Equations

KAC31.4 - Titrations II (Redox): Iodine/Thiosulfate Titrations

KAC31.4 - Titrations II (Redox): Iodine/Thiosulfate Titrations

KAC31.5 - Titrations II (Redox): Multi-step Redox Titration Calculations (Iodine/Thiosulfate)

KAC31.5 - Titrations II (Redox): Multi-step Redox Titration Calculations (Iodine/Thiosulfate)

June 2015 F325 Q7b

June 2015 F325 Q7b

Iodine / Thiosulfate Redox Titration Demonstration

Iodine / Thiosulfate Redox Titration Demonstration

KAC27.13a - Acids & pH: pH Calculations - Effect of Dilution on Strong Bases

KAC27.13a - Acids & pH: pH Calculations - Effect of Dilution on Strong Bases

KAC27.13 - Acids & pH: pH Calculations - Strong Bases

KAC27.13 - Acids & pH: pH Calculations - Strong Bases

KAC27.14a - Acids & pH: pH Calculations: Weak Acids – Examining the Assumptions

KAC27.14a - Acids & pH: pH Calculations: Weak Acids – Examining the Assumptions

KAC27.14 - Acids & pH: pH Calculations - Weak Acids

KAC27.14 - Acids & pH: pH Calculations - Weak Acids

KAC27.12b - Acids & pH: pH Calculations - Effect of Dilution on Strong Acids

KAC27.12b - Acids & pH: pH Calculations - Effect of Dilution on Strong Acids

KAC27.11 - Acids & pH: pH Calculations - Pure Water

KAC27.11 - Acids & pH: pH Calculations - Pure Water

KAC27.12 - Acids & pH: pH Calculations - Strong Acids

KAC27.12 - Acids & pH: pH Calculations - Strong Acids

KAC27.12a - Acids & pH: pH Calculations - Mixtures of Strong Acids

KAC27.12a - Acids & pH: pH Calculations - Mixtures of Strong Acids

KAC27.10 - Acids & pH: pH Calculations - Introduction

KAC27.10 - Acids & pH: pH Calculations - Introduction

The Awesome Range of Acid Strength

The Awesome Range of Acid Strength

KAC27.6 - Acids & pH: Ka, pKa and Acid Strength

KAC27.6 - Acids & pH: Ka, pKa and Acid Strength

KAC27.9 - Acids & pH: Acidity and the pH Scale

KAC27.9 - Acids & pH: Acidity and the pH Scale

KAC27.5 - Acids & pH: The Acid Dissociation Constant (Ka)

KAC27.5 - Acids & pH: The Acid Dissociation Constant (Ka)

KAC27.7 - Acids & pH: Ka and pKa Values for Polybasic Acids

KAC27.7 - Acids & pH: Ka and pKa Values for Polybasic Acids

KAC27.8 - Acids & pH: The Ionic Product of Water (Kw)

KAC27.8 - Acids & pH: The Ionic Product of Water (Kw)

KAC27.1 - Acids & pH: Reactions of Acids: Ionic Equations

KAC27.1 - Acids & pH: Reactions of Acids: Ionic Equations

KAC27.4 - Acids & pH: Identifying Conjugate Acid-Base Pairs

KAC27.4 - Acids & pH: Identifying Conjugate Acid-Base Pairs

KAC27.3 - Acids & pH: Bronsted-Lowry Model of Acid-Base Reactions

KAC27.3 - Acids & pH: Bronsted-Lowry Model of Acid-Base Reactions

KAC27.2 - Acids & pH: Acid Basicity

KAC27.2 - Acids & pH: Acid Basicity

KAC29.5 - Entropy and Free Energy: Free Energy Changes

KAC29.5 - Entropy and Free Energy: Free Energy Changes

KAC29.9 - Entropy and Free Energy: Limitations of Free Energy Predictions

KAC29.9 - Entropy and Free Energy: Limitations of Free Energy Predictions

KAC29.7 - Entropy and Free Energy: The Strange Case of DeltaG = 0

KAC29.7 - Entropy and Free Energy: The Strange Case of DeltaG = 0

KAC29.6 - Entropy and Free Energy: Using Gibbs Free Energy to find Temperatures for Feasibility

KAC29.6 - Entropy and Free Energy: Using Gibbs Free Energy to find Temperatures for Feasibility

KAC29.8 - Entropy and Free Energy: Free Energy Changes and Temperature

KAC29.8 - Entropy and Free Energy: Free Energy Changes and Temperature

GCSE Chemistry: Pollutants from Combustion

GCSE Chemistry: Pollutants from Combustion

KAC29.4 - Calculating Entropy Changes

KAC29.4 - Calculating Entropy Changes

KAC29.3 - Entropy

KAC29.3 - Entropy

KAC29.2 - Feasible Processes

KAC29.2 - Feasible Processes

Gorgeous Scatter Graphs

Gorgeous Scatter Graphs

GCSE Chemistry: Understanding pH Titration Curves for Neutralisation Reactions

GCSE Chemistry: Understanding pH Titration Curves for Neutralisation Reactions

KAC30.5 - Redox II: Constructing Equations - Neutral or Alkaline conditions

KAC30.5 - Redox II: Constructing Equations - Neutral or Alkaline conditions

KAC6.6 - Redox I: Key Species in Redox Reactions

KAC6.6 - Redox I: Key Species in Redox Reactions

KAC30.2 - Redox II: Constructing Redox Equations Using Oxidation Numbers

KAC30.2 - Redox II: Constructing Redox Equations Using Oxidation Numbers

KAC30.4 - Redox II: Constructing Half-equations - Acidic conditions

KAC30.4 - Redox II: Constructing Half-equations - Acidic conditions

KAC30.3 - Redox II: Constructing Redox Equations by Combining Half-equations

KAC30.3 - Redox II: Constructing Redox Equations by Combining Half-equations

KAC6.5 - Redox I: Identifying Redox Reactions

KAC6.5 - Redox I: Identifying Redox Reactions

KAC 13.12 - Enthalpy I: Hess's Law - Introduction

KAC 13.12 - Enthalpy I: Hess's Law - Introduction

KAC 13.13 - Enthalpy I: Hess's Law - Use of Enthalpies of Formation

KAC 13.13 - Enthalpy I: Hess's Law - Use of Enthalpies of Formation

KAC 13.15 - Enthalpy I: Hess's Law - Use of other Enthalpy Changes

KAC 13.15 - Enthalpy I: Hess's Law - Use of other Enthalpy Changes

KAC 13.14 - Enthalpy I: Hess's Law - Use of Enthalpies of Combustion

KAC 13.14 - Enthalpy I: Hess's Law - Use of Enthalpies of Combustion

Electrolysis of Potassium Bromide Solution

Electrolysis of Potassium Bromide Solution

Excel: Gorgeous Graphs

Excel: Gorgeous Graphs

Excel: Trendlines

Excel: Trendlines

Excel: Calculating Formulae

Excel: Calculating Formulae

Suction Filtration Using a Hand Pump

Suction Filtration Using a Hand Pump

KAC25.13 - Rates II: Use of Kinetic Data to Validate Reaction Mechanisms

KAC25.13 - Rates II: Use of Kinetic Data to Validate Reaction Mechanisms

KAC25.17 - Rates II: Experimental Determination of Arrhenius Parameters

KAC25.17 - Rates II: Experimental Determination of Arrhenius Parameters

KAC25.15 - Rates II: Proposing Reaction Mechanisms from Rate Equations

KAC25.15 - Rates II: Proposing Reaction Mechanisms from Rate Equations

KAC25.16 - Rates II: Temperature and the Rate Equation

KAC25.16 - Rates II: Temperature and the Rate Equation

KAC25.14 - Rates II: Predicting Rate Equations from Reaction Mechanisms

KAC25.14 - Rates II: Predicting Rate Equations from Reaction Mechanisms

KAC25.7 - Rates II: Half-lives

KAC25.7 - Rates II: Half-lives

KAC25.9 - Rates II: Rate Constants from Half-lives

KAC25.9 - Rates II: Rate Constants from Half-lives

KAC25.4 - Rates II: Rate-concentration Plots

KAC25.4 - Rates II: Rate-concentration Plots

KAC25.11 - Rates II: Reaction Orders from Initial Rates

KAC25.11 - Rates II: Reaction Orders from Initial Rates

KAC25.3 - Rates II: Determining Rate by Tangent Drawing

KAC25.3 - Rates II: Determining Rate by Tangent Drawing

KAC25.12 - Rates II: Rate Constants from Initial Rates

KAC25.12 - Rates II: Rate Constants from Initial Rates

KAC25.10 - Rates II: Initial Rates Experiments

KAC25.10 - Rates II: Initial Rates Experiments

KAC25.2 - Rates II: The Rate Equation

KAC25.2 - Rates II: The Rate Equation

KAC25.1 - Rates II: Overview

KAC25.1 - Rates II: Overview

KAC25.5 - Rates II: Reaction Orders from Rate-concentration Plots

KAC25.5 - Rates II: Reaction Orders from Rate-concentration Plots

KAC25.8 - Rates II: Reaction Orders from Half-lives

KAC25.8 - Rates II: Reaction Orders from Half-lives

KAC25.6 - Rates II: Rate Constants from Rate-concentration Plots

KAC25.6 - Rates II: Rate Constants from Rate-concentration Plots

F325 Jun14 Q3a-bii

F325 Jun14 Q3a-bii

F325 Jun14 Q3c-d

F325 Jun14 Q3c-d

F325 Jun14 Q6d

F325 Jun14 Q6d

F325 Jun14 Q4a-b

F325 Jun14 Q4a-b

F325 Jun14 Q2a

F325 Jun14 Q2a

F325 Jun14 Q4c

F325 Jun14 Q4c

F325 Jun14 Q6a-b

F325 Jun14 Q6a-b

F325 Jun14 Q2b

F325 Jun14 Q2b

F325 Jun14 Q2c

F325 Jun14 Q2c

F325 Jun14 Q3biii

F325 Jun14 Q3biii

KAC32.1 - Electrochemistry: Overview

KAC32.1 - Electrochemistry: Overview

KAC32.17 - Electrochemistry: The Role of the Salt Bridge

KAC32.17 - Electrochemistry: The Role of the Salt Bridge

KAC32.14b - Electrochemistry: Predicting Reaction Feasibility: Example 2

KAC32.14b - Electrochemistry: Predicting Reaction Feasibility: Example 2

KAC32.12 - Electrochemistry: Predicting Reaction Feasibility: Theory

KAC32.12 - Electrochemistry: Predicting Reaction Feasibility: Theory

KAC32.13 - Electrochemistry: Predicting Reaction Feasibility: Cell Potential for a Reaction

KAC32.13 - Electrochemistry: Predicting Reaction Feasibility: Cell Potential for a Reaction

KAC32.14a - Electrochemistry: Predicting Reaction Feasibility: Example 1

KAC32.14a - Electrochemistry: Predicting Reaction Feasibility: Example 1

KAC32.11 - Electrochemistry: Cell Reactions

KAC32.11 - Electrochemistry: Cell Reactions

KAC32.15 - Electrochemistry: Limitations of Cell Potential Predictions of Feasibility

KAC32.15 - Electrochemistry: Limitations of Cell Potential Predictions of Feasibility

KAC32.6 - Electrochemistry: Calculating Cell Potential

KAC32.6 - Electrochemistry: Calculating Cell Potential

KAC32.4 - Electrochemistry: Standard Hydrogen Electrode

KAC32.4 - Electrochemistry: Standard Hydrogen Electrode

KAC32.5 - Electrochemistry: Electrochemical Cells

KAC32.5 - Electrochemistry: Electrochemical Cells

KAC32.3 - Electrochemistry: Standard Electrode Potentials

KAC32.3 - Electrochemistry: Standard Electrode Potentials

KAC32.10 - Electrochemistry: Electrochemical Series

KAC32.10 - Electrochemistry: Electrochemical Series

KAC32.9 - Electrochemistry: Types of Half Cell

KAC32.9 - Electrochemistry: Types of Half Cell

KAC32.7 - Electrochemistry: Effect of Concentration on Cell Potentials

KAC32.7 - Electrochemistry: Effect of Concentration on Cell Potentials

KAC32.8 - Electrochemistry: Cell Shorthand Notation

KAC32.8 - Electrochemistry: Cell Shorthand Notation

KAC32.16 - Electrochemistry: Electricity Basics

KAC32.16 - Electrochemistry: Electricity Basics

KAC32.2 - Electrochemistry: Redox Equilibria

KAC32.2 - Electrochemistry: Redox Equilibria