Found 353 Articles for Chemistry

Ionization Enthalpy

Praveen Varghese Thomas
Updated on 18-Mar-2024 10:44:13

Introduction Ionization energy (I.E.) is described as the minimum (min) required energy (e) to remove (throw out) the most loosely (weakly) bounded electron (e) of an isolated gaseous (g) atom, +ve ion, or molecule. Ionization energy (I.E) follows periodicity in the modern periodic table. The normal or general trend is that the ionization energy (I.E) increases on moving from left (l) to right (r ) across the period (p). And, on moving from the top (t) to bottom (b) across a group (g), ionization energy decreases or reduces. There are also certain exemptions to (I.E.) ionization energy. What ... Read More

Iodoform

Praveen Varghese Thomas
Updated on 18-Mar-2024 10:49:50

Introduction A member of the organic halogen compounds, iodoform is an organic iodine molecule with the chemical formula CHI3. It is a volatile, crystalline material that is a light-yellow colour. It smells similar to chloroform and has a pungent, recognisable scent that is sweet-smelling. What is Iodoform? The class of organic halide compounds includes the organoiodine substance iodoform, which has the chemical formula CHI3. It is a volatile, crystalline chemical that is a light shade of yellow. It has a piercing, recognisable smell that is similar to chloroform but sweeter. Due to its characteristic smell, it was frequently employed ... Read More

Introduction to wool

Praveen Varghese Thomas
Updated on 18-Mar-2024 11:00:33

Introduction Clothing is always a needy thing for humans. Animal skin was used by ancient people for the making of clothes. Progress made by humans leads to the development of a variety of fabrics to make clothes. Discoveries made by humans lead to the development of synthetic fibres that we use currently. Wool is also a currently available fibre and also it is the material used in ancient times itself. About 10, 000 BCE itself the use of wool for making clothes has been prevalent. The main source of wool is the sheep. There are wide varieties of sheep, and ... Read More

Introduction to P Block Elements

Praveen Varghese Thomas
Updated on 18-Mar-2024 11:03:01

Introduction S and p-block together are called the main group elements of the periodic table. And is the reason that this block constitutes a majority of elements in the periodic table. The discovery of many elements by scientists leads to the classification of elements properly and sequentially. Which further resulted in the formation of periodic tables we use now for studying the properties of elements. Elements with similar electronic structures are arranged in a way that they can be studied by comparing properties. Based on this there are several blocks in the periodic table such as s, p, d, and ... Read More

Intermolecular Forces Vs. Thermal Interactions

Praveen Varghese Thomas
Updated on 18-Mar-2024 11:09:32

Introduction The intermolecular force would be the strong force that exists between surrounding atoms. Thermal energy is the total of all molecules' and particles' kinetic energy. The intermolecular forces of attraction could be also known as Vander Waals forces. Whenever atoms, molecules, as well as ions are close. In contrast, intermolecular forces relate to the covalent bonds which occur throughout molecules. Thermal interaction includes the energy inherent within a system and has been relevant to its temperature. What do you mean by Intermolecular Forces? Intermolecular forces are indeed the attracting as well as repulsive forces which thus exist in between ... Read More

Intensive and Extensive Properties of Matter

Praveen Varghese Thomas
Updated on 18-Mar-2024 11:24:24

Introduction The matter is everything that surrounds us and engrosses space. It has different properties. These properties are defined as intensive and extensive properties of matter, in 1917 these terms were first used by the scientist Richard C. Tolman. Intensive properties do not depend upon the quantity of matter. Extensive properties rely on the quantity of the matter. Example: Milk filled in a glass or milk filled in a jug. The extensive properties like (mass, and volume) of milk vary for both the glass and jug while the intensive properties (temperature) remain the same. What are the Intensive Properties ... Read More

Importance of Air

Praveen Varghese Thomas
Updated on 18-Mar-2024 11:59:47

Introduction It is readily possible to find air, which is a gift of nature. It is a crucial component of nature that renders life on earth conceivable. Atmospheric pressure is established by the heaviness of the air. The percentages of the several gases that make up air are as follows: the presence of carbon dioxide is 0.04%, argon is 9%, oxygen is 21%, nitrogen is 78%, and extremely trace amounts of certain other gases and water vapour. Animals ought to absorb the oxygen-rich air to engage in aerobic respiration. CO2 is demanded by plants for the photosynthetic process. What is ... Read More

Uses and Advantages of Natural Gas

Praveen Varghese Thomas
Updated on 18-Mar-2024 12:04:09

Introduction Natural gas would be a naturally occurring substance composed largely of methane, with negligible concentrations of various higher alkanes and, in exceptional cases, CO2, N2, H2 S, as well as He. Deep under the earth's crust, with additional solid-liquid hydrocarbon resources such as coal as well as crude oil, Natural Gas Reserves could be found. This seems to be a fossil fuel which could be used for preparing food, heating, as well as electricity production, along with many other purposes. Natural gas is indeed a non-renewable form of energy often used to power cars. What is Natural Gas? Natural ... Read More

Krypton

Praveen Varghese Thomas
Updated on 18-Mar-2024 12:05:51

Introduction Krypton is an element present along with the noble gases in the periodic table with the symbol Kr. It is an important element in the p block with the atomic number 36. The discovery of elements continued to be very important in chemistry. The extraction of argon gas from air is one of the important discoveries made by scientists. The discovery of argon made scientists think about the existence of a group of elements with similar properties as argon. They even say that some other elements may be hidden in the argon gas. Therefore, liquefaction and evaporation lead ... Read More

Kjeldahl Method

Praveen Varghese Thomas
Updated on 18-Mar-2024 12:07:37

Introduction The determination of nitrogen content or determining protein content in samples such as food was a major issue some years ago. The method that already existed some years ago was not so accurate. That is a proper method was not discovered at that time. Later the Danish chemist Johan Gustav Christoffer Thorsager Kjeldahl developed a laboratory method for the determination of Nitrogen because the existing method at that time was very much inaccurate. The method he introduced was given the name Kjeldahl method after him. The method he first introduced contains two steps that are distillation and back titration. ... Read More

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