Online Learning Science

Learning chemistry best free online learning platforms of physical, organic, inorganic and environmental study for high school or college science education

Van der Waals equation for real gases derivation and formula, volume and pressure correction factor, unit of VDW constant, compressibility factor

Water pollution causes, definition, types, effects, solutions, examples of industrial sources, toxic waste, fertilizer, oil, thermal, groundwater pollution

Atom, the smallest unit or basic building block of substances or matter divided into charged particles (electron, proton, neutron) in chemistry or physics

Chemistry is the part of science deals with the properties composition and structure of matter (chemical substance, element, atom) and interacts with energy

Acids, the examples of substances that form hydrogen ion (H+) in water or aqueous solution, change red litmus paper to blue, reacts with bases to form salts

Chemical reaction, the process which transforms one or more substances (reactants molecules or compounds) to different types of products by rearrangement

Gas laws in chemistry or physics identify the behavior of different gases by the general facts and common relation between pressure, volume, temperate

Heat energy is the form of energy that can be transferred from a higher temperature body to a lower or heat flow increases temperature of the colder body

Hydrocarbon, organic chemical compound form by bonding hydrogen and carbon atoms in chemistry found in natural gas, coal, petroleum uses as a source energy

Properties, physical and chemical property are considered as a key to understanding chemical elements (atom, molecule), substances present in our earth

Redox, a part of chemistry where we learning different types of oxidation reduction reaction by transfer electrons between two chemical species (atom, ion)

Solid, the states of matter characterized by their high density and low compressibility compared with liquid, gas, and plasma phase of matter or substances

The chemical substance is the form of the solid, gaseous, liquid, or plasma form of matter having a definite chemical composition and properties

Environment, the place of our universe where presents different physical, chemical, living (biotic) and non-living (abiotic) factors or ecological community

Nuclear chemistry or physics, the part of physics or chemistry in science deals with radioactivity, artificial and natural nuclear transformation reactions

Viscosity of liquids definition, formula, examples, effect Viscosity coefficient unit dimension, laminar, turbulent types of fluid flow in chemistry

Soil pollution or contamination sources, prevention, effects of acid rain or fertilizer on soil acidity, drainage system, pesticides, herbicides on soil

Renewable or alternative energy sources, definition, types, facts, examples, uses of hydroelectric power, wind, solar, biomass and geothermal energy source

Electrolysis definition, examples, formula of Faraday's electricity law, applications of electrolysis process for extraction, purification in chemistry

Electrode or electronic conductor types, definition, examples uses of electrodes in primary, secondary electrochemical cells in electrochemistry

Nuclear fission definition, history, examples in nucluear reactor, atomic bomb, uses of fission of heavy nucleus and fusion reaction in chemistry

Spectroscopy in chemistry or physics is the learning of emission or absorption radiations from matter when dispersed through the suitable prism

Chemistry Quiz 1 questions answers for high school or college online quizzes contain 10 multiple choice or MCQ for general chemistry practice tests

Chemistry Quiz 2 practice test questions answers contain 10 multiple choice or MCQ for students in acid bases, Slater's rule for shielding electron