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Chemistry

Vapor pressure (Pv)

At any temperature, the molecules of any liquid are always in motion, some at higher speeds than others. Therefore, they can escape the liquid, passing into the atmosphere. This is the case, for example, with clothes drying on the clothesline or a disappearing pool of water. The evaporation rate of the liquid is equal to the condensation velocity of its vapors.
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Physics

Wave Formulas

A wave is a movement caused by a disturbance, and it travels through a medium. Here's a list of formulas and information about this content. Wave Classification Mechanical Waves These are waves in which propagation involves the transport of kinetic and potential energy and are dependent on the elasticity of the medium.
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Chemistry

Isotope, isobar and isotone

If we look at the atomic number, mass number and neutrons of different atoms, we can find sets of atoms with another equal number. Isotopes are atoms that have the same number of protons (p) and different mass number (A). Example: hydrogen (H). H ²H ³H ³ ¹ ¹ hydrogen deuterium tritium Z = 1 Z = 1 Z = 1 A = 1 A = 2 A = 3 This phenomenon is very common in nature.
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Chemistry

Why should not man drink distilled water?

Distilled water is water obtained through the distillation process. It is almost pure, salt free. Man should not drink this water because it contains very little salt dissolved in it, and may even dilute the salts of the body. Therefore it is harmful and should not be ingested. If food is controlled with the ions needed by our body, distilled water can be consumed.
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Physics

Light - Speed

Light has long been known to be part of a group of waves, called electromagnetic waves, and is one of the characteristics that gather this group at its rate of propagation. The speed of light in a vacuum, but which actually applies to many other electromagnetic phenomena such as x-rays, gamma rays, radio and tv waves, is characterized by the letter c, and is approximately 300,000 kilometers per second, In other words, however, in light media, light behaves differently as it interacts with matter in the medium.
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Chemistry

Daily Chemistry

Chemistry is present in countless situations in our lives. However, many people find it difficult to relate the theory studied to the practical applications of content in our daily lives. See in this section how chemistry is embedded in our daily lives. Everyday Acids Sodium Bicarbonate Inorganic Function Hydrocarbons Limonene Obtaining dried meat Substances in our daily life Terpenes Meet and get our CD: CD Daily Chemistry Stories that show the application of chemistry in our daily lives.
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