Define and Describe on Formula Mass
Chemistry

Define and Describe on Formula Mass

Some substances such as sodium chloride do not contain discrete molecules as their constituent units. In such compounds, positive (sodium) and negative (chloride) entities are…
Explain on Average Atomic Mass
Chemistry

Explain on Average Atomic Mass

Average Atomic Mass: Many naturally occurring elements exist as more than one isotope. When we take into account the existence of these isotopes and their…
Define and Describe on Atomic Mass
Chemistry

Define and Describe on Atomic Mass

The atomic mass or the mass of an atom is actually very-very small because atoms are extremely small. Today, we have sophisticated techniques e.g., mass…
Describe on Dalton’s Atomic Theory
Chemistry

Describe on Dalton’s Atomic Theory

Dalton’s Atomic Theory Although the origin of idea that matter is composed of small indivisible particles’ called ‘a tomb’ (meaning —indivisible), dates back to the…
Explain Law of Multiple Proportions
Chemistry

Explain Law of Multiple Proportions

Law of Multiple Proportions was proposed by Dalton in 1803. According to this law, if two elements can combine to form more than one compound, the…
Describe Gay Lussac’s Law of Gaseous Volumes
Chemistry

Describe Gay Lussac’s Law of Gaseous Volumes

Law of Gaseous Volumes was given by Gay Lussac in 1808. He observed that when gases combine or are produced in a chemical reaction they do…
Describe Avogadro Law
Chemistry

Describe Avogadro Law

In 1811, Avogadro proposed that equal volumes of gases at the same temperature and pressure should contain equal number of molecules. Avogadro made a distinction…
Define Dimensional Analysis with Example
Chemistry

Define Dimensional Analysis with Example

While calculating, there is a need to convert units from one system to other. The method used to accomplish this is called factor label method…
Describe Law of Definite Composition
Chemistry

Describe Law of Definite Composition

Law of definite composition was given by, a French chemist, Joseph Proust. He stated that a given compound always contains exactly the same proportion of elements…
Explain Law of Conservation of Mass
Chemistry

Explain Law of Conservation of Mass

Law of Conservation of Mass states that matter can neither be created nor destroyed. The law of conservation of mass states that mass in an isolated system…
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