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Video Física
"Wave inversion occurs when a traveling wave is flipped upside down when being reflected back into the old medium. This happens during the process of a wave moving through one medium encounters a boun ...
Video Química
"Buffered solutions are solutions that are “buffered” by the presence of weak acid and a conjugate base. Buffered solutions resist change in pH when acids or bases is added to it by reacting with any ...
Video Biología
"Sex chromosomes are chromosomes that contain information that is used to determine the gender of an organism. The expression of a sex chromosome on an allele can either be X or Y. Organisms with sex ...
"In naming covalent compounds, each element in a covalent compounds needs a prefix to denote the number of atoms of that element. These prefixes are Greek (mon-, di-, tri-, etc) and the last element i ...
Hipervinculo Matemáticas
"Two polygons are similar if their corresponding angles are congruent and the corresponding sides have a constant ratio (in other words, if they are proportional). Typically, problems with similar pol ...
Video Biología
"Protein synthesis begins with a process called translation which occurs in the ribosomes, located in the endoplasmic reticulum. mRNA copies genetic information from the nucleus in a process called tr ...
Video Química
"The s-block elements share electron configurations. s-block elements are the elements found in Group 1 and Group 2 on the periodic table. Group 1 are the alkali metals which have one valence electron ...
Video Biología
"The sensory system is the part of the nervous system that recognizes and processes sensory information. This system includes sensory receptors, neural pathways and parts of the brain. The sensory sys ...
Hipervinculo Matemáticas
"We use the identity matrix to calculate a square matrix inverse. In order to be invertible, a matrix must be square, and by finding the square matrix inverse, we can find the solution of a system of ...
Hipervinculo Matemáticas
"The triangle inequality theorem states that the sum of any two sides of a triangle must be greater than the length of the third side. To find a range of values for the third side when given two lengt ...
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