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Pure substances and mixtures

Matter is made up of tiny units called atoms. We currently know that there are 119 different types of atoms, which are the basis of the 119 elements of the periodic table (including “unnunennio” which […]

Carlos Moreno   CHEMISTRY EXERCICES
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Collisions

When two or more bodies approach each other, internal forces act between them, causing a variation in their linear momentum and in their energy, producing an exchange between them of both magnitudes. In this case, […]

Carlos Moreno   Mechanics
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The chemistry of carbon

Since its beginnings in the 18th and 19th centuries, chemistry has been divided into two main branches: organic chemistry and inorganic chemistry. Organic Chemistry: It was associated with the chemistry of living beings and the […]

Carlos Moreno   Descriptive . Organic
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REAL AND COMPLEX NUMBERS

The union of racional and irracional numbers forms a set called real numbers. If we remember the different types of numerical sets, we see that we have: Rational numbers also contain integers numbers that have […]

Carlos Moreno   MATHEMATICS EXERCICES
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The circular movement

The circular movement, also called, of curvilinear trajectory is much more abundant than the rectilinear movement. These are based on an axis of rotation and constant radius, whereby the trajectory is a circumference. Uniform Circular […]

Carlos Moreno   Mechanics
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Changes of states of matter

Matter is everything that surrounds us that has mass and weight, that occupies a place in the space, that is perceptible by one of our senses and that is opposed to changing position, which is, […]

Carlos Moreno   CHEMISTRY EXERCICES . General
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Empirical and molecular formula

The empirical formula is the simplest expression to represent a chemical compound. It tells us the elements that are present and the minimum proportion in whole numbers between their atoms. This formula is also known […]

Carlos Moreno   CHEMISTRY EXERCICES . General
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The rectilinear movement

Movement is one of the physical phenomena that we most directly perceive, but the form of that movement depends on the place from which it is observed. It is the so-called “reference system (SR)”.    […]

Carlos Moreno   Mechanics
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The 5 best universities in Spain where to study Mathematics

  It is often said that Mathematics is the queen of all sciences. Thanks to the increase in the use of Big Data and advanced analytics in companies, the minimum grade of this degree has […]

Carlos Moreno   MAIN
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Calculation of areas – Definite Integral

Calculation of areas – Definite Integral   Definite Integral of a function is used to calculate the areas of flat regions, which are delimited by curves and straight lines.   Areas of flat regions:   […]

Carlos Moreno   Infinitesimal calculus
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