Huygens principle states that: Every point on a wavefront is in itself the source of spherical wavelets which spread out in the forward... View Article
Salt bridge maintains electrical neutrality in two compartments by allowing movement of anions towards anodic compartments and cations towards... View Article
Electrode potential is the tendency of an electrode to accept or to lose electrons. The potential of an electrode is the potential difference... View Article
The metals like copper, silver, lead etc are usually purified by the process of electrolysis. In electrorefining the pure metal acts as cathode... View Article
The substances which conduct electricity in its aqueous state molten state or fused state are known as electrolytes. Electrolytes are of two... View Article
Electrolysis is the process of passing an electric current through a substance in the molten or aqueous state thereby decomposing it. Electrodes,... View Article
An acid-base titration is an experimental technique used to acquire information about a solution containing an acid or base. The acid-base... View Article
When salt is added to a solution containing either the same cation or anion there will be changes in the solubility because of what is commonly... View Article
The term solubility product is generally applicable for sparingly soluble salts. It is the maximum product of the molar concentration of the ions... View Article
Ion-ion interactions, dipole-dipole interactions, hydrogen bonding, London dispersion forces are the four basic intermolecular forces. ... View Article
Polar bonds - When a covalent bond is formed between atoms with different electronegativity values, the more electronegative atom will have a... View Article
London dispersion forces occur between all molecules. These very weak attractions occur because of the random motions of electrons on atoms... View Article
The properties of suspension are listed below. A suspension is a heterogeneous solution in which, while standing, several particles move out... View Article
A pure substance is a single kind of matter that cannot be separated into other kinds of matter by any physical means. A pure substance always... View Article
In calorimetry techniques, enthalpy changes accompanying physical or chemical events, whether they are exothermic or endothermic are measured and... View Article
Because protons and neutrons have a mass of 1 amu each as known earlier, the mass number equals the sum of the numbers of protons and neutrons.... View Article
Isotope, one of two or more chemical atom groups with the same atomic number and location in the periodic table and almost identical chemical... View Article
From basic chemistry, we know that an atom consists of a nucleus that is surrounded by electrons and that the nucleus itself is composed of... View Article