How Soap perform cleansing action?
Soaps and detergents perform the cleaning action because the polar parts of their molecules are water soluble due to hydrogen-bonding and non-polar parts remain outside water.
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Relationship between Boiling Point and External Pressure
Greater the pressure exerted on the liquid, greater would be the boiling point or vice versa. Boiling point of a liquid can be increased by increasing the external pressure on the liquid, whereas it can be decreased by decreasing the external pressure on the liquid. At 1 atmospheric pressure water boils at 100°C. At high…
lattice energy definition Chemistry
The lattice energy is the energy released when one mole of the ionic crystal is formed from the gaseous ions. OR It is also defined as the energy required to break one mole of the solid into isolated ions in the gas phase. Explanation with examples: Solids are composed of atoms, ions or molecules. However,…
MOLECULAR FORMULA DEFINITION
A formula which tells the actual number of atoms present in a molecule of a substance is known as molecular formula. Examples: H2O2 and C6H12O6 are the molecular formulas of hydrogen peroxide and glucose respectively.
What is Mass Spectrometry?
A technique which is used to find out relative abundance of isotopes with respect to their atomic masses in the form of graph, is called Mass Spectrometry. Is mass spectrometry quantitative or qualitative? Mass spectrometry is used for quantitative as well as qualitative analysis. What is a mass spectrometer used for? An instrument, which…
Crystalline Solids | Amorphous Solids
Solids can be classified on the basis of the regular arrangements of constituent atoms, ions or molecules. There are two types of solids in this respect: Crystalline Solids Those solids in which atoms, ions or molecules are arranged in a definite three-dimensional patterns with regular and repetitive characteristics are called crystalline solids. Amorphous Solids The…
What Analytical Chemistry?
Analytical Chemistry is a branch of chemistry, which deals with the identification and quantification of chemical substances. It plays a vital role in almost all chemical sub-disciplines and is often the subject of current public discussions, for example, in environmental analysis. Types of Analytical Chemistry There are three main types of analytical Chemistry analysis: The…
