Chemistry

Difference Between SN1 and SN2

Considered both as nucleophilic substitution reactions, these are reactions involving the donor from ...

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Difference Between Sodium Carbonate and Sodium Bicarbonate

The most widely used chemical substances in today’s world are sodium carbonate and sodium bicarbonate. ...

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Difference Between Starch and Cellulose

Cellulose and starch are similar polymers which have the same glucose-based repeat units and are made ...

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Differences Between Vapor and Gas

Vapor is simply defined as the phase of a gas at a temperature where the same substance can exist in ...

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Differential Extraction and Chromatography

What is Chromatography? Chromatography is the technique for the separation, purification, and testing ...

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Different Types of Intermolecular Forces

Types of intermolecular forces The attractive force that exists between the positive components (protons) ...

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Dihydrogen monoxide - OH2

What is Dihydrogen monoxide? Dihydrogen monoxide (DHMO) is the scientific name for water, though it ...

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Dimethyl sulfoxide - C2H6OS

What is Dimethyl sulfoxide? Dimethyl sulfoxide also known as DMSO is a colorless highly polar organic ...

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Preparation, Properties & Uses of Dioxygen

What is Dioxygen? Dioxygen plays a vital part in the existence of life. It is a highly reactive non-metal ...

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Di and Polybasic Acids and Bases

We use so many acids and bases every day, such as vinegar or acetic acid in the kitchen, boric acid for ...

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Directive Influence of Functional Group in Mono Substituted Benzene

When mono substituted benzene undergoes an electrophilic attack, the rate of reaction and the site of ...

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Impact of Excessive Use of Plastics on the Environment

Introduction Most of the articles used in everyday life are made up of plastics. For example, plastic ...

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Distillation

What is Distillation? Distillation refers to the selective boiling and subsequent condensation of a ...

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Drinking Water Standards

There was a time when the common and safe sources of drinking water were the local wells and ponds. With ...

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Drugs and Drug Interactions

Drugs are any chemical substances that affect/alter the physiology when taken into a living system.When ...

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Dubnium

Symbol Db Atomic Number 105 Atomic Mass 268 g.mol -1 Discovered by Scientists at both ...

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Ecosystem - Components of Ecosystem

An ecosystem is a group or community composed of living and non-living things and their interactions ...

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Effect of temperature on the rate of reaction between sodium thiosulphate and hydrochloric acid

Aim: The aim of this experiment - Understanding the effect of temperature variation on the rate of ...

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The Effect of Burning Fossil Fuels on the Environment

What are Fossil Fuels? The substances which act as energy sources are known as fuels. The buried organic ...

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Einsteinium

Symbol Es Atomic Number 99 Atomic Mass 252 Discovered by Einsteinium was discovered ...

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Electrochemical Cell

What is an Electrochemical Cell? An electrochemical cell is a device that can generate electrical energy ...

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Electrodes

What is Electrode? As per the definition of the electrode, it is any substance that is a good conductor ...

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Products of Electrolysis - Inert Electrode

The electrochemical cell which facilitates a chemical reaction through the induction of electrical energy ...

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Electromeric Effect

Electromeric Effect can be observed only in organic compounds which contain multiple bonds. It is a temporary ...

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Electron Configuration

Introduction – What are Electron Configurations? The electron configuration of an element describes ...

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Electronegativity Chart

Electronegativity is defined as the measure of the tendency of an atom to attract electrons towards itself. ...

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Electron Gain Enthalpy

Electron gain enthalpy is sometimes also referred to as Electron affinity although there is a minute ...

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Electronic Configuration of Elements and Stability of Orbitals

Electronic Configuration of Elements An atom of an element has different shells, sub-shells and orbitals ...

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Electronic Configuration - Group 15 Elements

Group 15 elements in the modern periodic table are known as the pnictogens which means suffocation in ...

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Electronic Configuration - Halogen Group

The group 17 elements of the periodic table are made up of five chemically similar elements: Halogen ...

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Electronic Configuration in Periods and Groups

The electronic configuration of an atom is the numerical representation of the arrangement of electrons ...

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Electrophilic Addition Reactions of Alkenes

Alkenes belong to the group of unsaturated hydrocarbons that is one molecule of alkene contains at least ...

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Electrophilic Substitution of Anilines

Electrophilic Substitution Reaction of Anilines An electrophile refers to an electron seeking specie. ...

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Electrophilic Substitution Reaction

What is an Electrophilic Substitution Reaction? An electrophilic substitution reaction is a chemical ...

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Electroplating Process

What is Electroplating? Electroplating is basically the process of plating a metal onto the other by ...

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Boiling Point Elevation

What is Boiling Point Elevation? Boiling point elevation refers to the increase in the boiling point ...

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Ellingham Diagram -Thermodynamics of Metallurgy

Gibbs equation helps us to predict the spontaneity of a reaction on the basis of enthalpy and entropy ...

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Empirical Formula & Molecular Formula

Initially, chemical formulas were obtained by determination of masses of all the elements that are combined ...

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Emulsions - Types and its Uses

What is emulsion? An emulsion is generally defined as a mixture of 2 or more immiscible liquids. Emulsions ...

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Endothermic Reaction

What is an Endothermic Reaction? Endothermic reactions are chemical reactions in which the reactants ...

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Energy Level Diagram

What is energy level diagram? In chemistry, an electron shell, or energy level, may be imagined as an ...

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Energy of Orbitals

The energy of orbitals refers to the energy required to take an electron present in that orbital to infinity ...

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Enthalpy Change: Standard Enthalpy of Reaction

While dealing with a chemical reaction, the knowledge of enthalpy and standard enthalpy is very important. ...

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Entropy Change

What is Entropy? The decrease in enthalpy may contribute to the spontaneity of a process but it cannot ...

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Environmental Toxicology

Environmental toxicology is related to study of various effects of synthetic and natural pollutants in ...

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Epimers

Epimer in stereochemistry specifies one of a pair of stereoisomers.  At stereogenic center, two isomers ...

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Equilibrium Involving Dissolution of Solid or Gas in Liquid

Equilibrium: Everything in universe tries to attain stability by lowering their energy. This can be ...

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Ester - Structure, Uses

What is ester? The first thing that we need to do is understand what is Ester? Well, to answer that ...

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Esterification

What is esterification? The chemical reaction that takes place during the formation of ester is called ...

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C2H6 - Ethane

What is Ethane? Ethane is a saturated hydrocarbon found in gaseous state. Ethane is the second simplest ...

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