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Video Química
"Aromatic hydrocarbons, also called aromatic compounds, are compounds that contain benzene as a part of their structure. Benzene is a cyclic hydrocarbon with the formula C6H6." Fuente: BrightStormArom ...
"Meiosis is a type of cell division that produces gametes. In meiosis, cells undergo two divisions. The result of meiosis is the production of four haploid cells from a diploid cell with each haploid ...
Video Física
"An object's ability to do work is measured by its mechanical energy, or the sum the object's kinetic energy and potential energy. Mechanical energy is due to the position or movement of an object. Th ...
Hipervinculo Química
"Measurement of heat is done in calories. One calorie is the amount of energy required to raise one gram of water one degree Celsius. To measure heat, you divide the change in temperature of a sample ...
Hipervinculo Física
"Archimedes' principle states that the buoyant force on a fluid is equal to the weight of the displaced fluid. To calculate the buoyant force, we use the equation buoyant force = density of fluid x vo ...
"Mass-energy equivalence states that mass is concentrated energy. In his theory of special relativity Einstein formulated the equation E=mc^2. There is a tremendous amount of energy in mass. A 20g mar ...
Hipervinculo Ciencias de la Tierra y Medioambiente
"A biome is a type of ecosystem with similar life forms and environmental conditions. Biomes can be affected by factors like rainfall, humidity and latitude. Aquatic biomes are often classified into f ...
Video Física
"Magnetic fields are vector fields associated with magnetic forces. Magnetic fields are generated by Hard Ferromagnets. Unlike electric fields, magnetic fields always make closed loops and are never c ...
Video Física
"Magnetic domains are collections of magnetic fields in the same direction. They are often found in ferromagnetic materials because their atoms align with magnetic fields in a process called a ferroma ...
Video Física
"Lorentz force is the force on charge in electromagnetic field. Lorentz force is determined by the formula F = qv x B, in which q is the charge, v is the velocity, and B is the magnetic field density. ...
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