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Video Química
"Most matter expands when heated and contracts when cooled, a principle called thermal expansion. The average kinetic energy of the particles increases when matter is heated and this increase in motio ...
"Thermal energy transfer involves the transfer of internal energy. The three types of thermal energy transfer are conduction, convection and radiation. Conduction involves direct contact of atoms, con ...
Hipervinculo Ciencias de la Tierra y Medioambiente
"The water cycle tracks the movement of water as it progresses through the states of matter and travels through the biosphere. Most of the water on earth is found in its oceans, but when the surfac ...
"Impulse measures the change in the momentum of an object. Impulse is expressed as the integral of force over time and its unit is the Newton-second (N x s). Expressed without Calculus, impulse = forc ...
Video Biología
"The immune system protects the body from diseases. It detects and kills things like viruses and bacteria to prevent sickness and to allow the body to continue to function properly. There are three li ...
Video Química
"The Ideal Gas Law mathematically relates the pressure, volume, amount and temperature of a gas with the equation pressure x volume = moles x ideal gas constant x temperature; PV=nRT. The Ideal Gas La ...
Hipervinculo Biología
"A hydrogen bond is an extremely strong bond between molecules with a Hydrogen atom bonded to a Fluorine, Oxygen or Nitrogen atom and a molecule with a Fluorine, Oxygen or Nitrogen atom. Hydrogen bond ...
Hipervinculo Química
"Hydrocarbon are the simplest types of organic compounds which contain only carbon and hydrogen. There are several types of hydrocarbons including halocarbons, alcohols, ethers, amines, aldehydes, ke ...
"Hydrates are solid compounds which contain water. This water is included with the chemical formula of the compound because there is a set ratio of water to compound." Fuente: BrightStormHydrates es u ...
Video Química
"Hybridization occurs when an atom bonds using electrons from both the s and p orbitals, creating an imbalance in the energy levels of the electrons. To equalize these energy levels, the s and p orbit ...
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