Chemical stoichiometry

Elevation in Boiling Point

When you add a solute to a solvent, it raises its boiling point. The boiling point of a mixture containing a non-volatile solute is greater than that of the pure solvent. The solute-to-solvent ratio determines the elevation of a boiling point but not the identity of the solute. Thus, the amount of solute added to […]

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Elementary Reaction

Non-elementary reactions can be explained by numerous elementary reaction steps; elementary reactions build up to complicated reactions. A reaction mechanism is made up of a set of elementary reactions that predicts the elementary steps in a complex reaction. The reaction coordinates of two reactions are shown below. The first is an elementary reaction, whereas the

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Elementary and Complex Reactions

A chemical reaction occurs when the old bonds between the reacting substances are broken, and the new bonds between the products are formed. Chemical reactions play an important part in our daily lives and different industries. You can find chemical reactions in your surroundings in processes such as rusting of iron and fermentation of wine.

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Electropositive and Electronegative Elements

The three subatomic particles in an atom are  Neutrons (which are neutral in charge). Electrons (which are negatively charged). Protons (which are positively charged). An atom is always neutral, as it contains an equal number of electrons and protons. But, during a chemical reaction, an atom can gain electrons or lose electrons.  When an atom

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Electrophilic Addition

A molecule that has the tendency to react with other molecules containing a donatable pair of electrons is an electrophile. A molecule that contains a donatable pair of electrons or lone pair that can be easily shared with electrophile is a nucleophile. A type of reaction in which an electrophile and nucleophile react together and

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Electronic Configuration of Elements

Electronic configuration describes how electrons are distributed along with their atomic orbitals. The electron configurations of atoms follow a standard notation where all atomic subshells that contain electrons are arranged in a sequence. The electron configuration of sodium is 1s22s22p63s1. The distribution of electrons into an atom’s orbitals is called its electronic configuration. Every neutral

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Electron Sea Model

Electron Sea Model is a framework postulated in the last century. The framework explains the free nature of electrons around the atoms of molecules and metals especially. Moreover, this framework single handedly explains the many properties of different elements and metals. Furthermore, the entire framework explains metallic bonding indirectly. In brief, Metallic Bonding can be

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Effect of Solvent

Introduction A solution comprises two components: a solvent and a solute. The material dissolved in the solvent is referred to as the solute. Solubility refers to the amount of solute dissolved in a given solvent. Salt, for example, is the solute dissolved in water as the solvent in a saline solution. In this article we’ll

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Effect of Catalyst

Introduction In chemistry, the catalyst is vital for understanding the basic concept of reaction. This paper will help the student get a brief idea of the catalyst and reaction rate and the effect of catalyst on the rate of reaction. It will also make the students understand the effect of catalysts on the rate of

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry

Effect of Addition of an Inert Gas

An inert gas is a gas that is not able to react with substances or absorb and/or release energy. The gas is typically colourless, odourless, tasteless, has no surface tension, is not flammable, and has no reactivity with substances. Inert gas is a general term that describes gases that have the above characteristics and are

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Chemical stoichiometry, Chemistry, Class 11, IIT JEE, Some Basic Concepts in Chemistry