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Profesores de Repaso Universitario Online

¿Buscas ayuda para preparar un examen de la universidad? Elige el profesor particular adecuado para ti y aprende desde la comodidad de tu casa, sin necesidad de esperas ni desplazamientos innecesarios, aprueba los exámenes a tu ritmo y según tus necesidades. Encuentra el profesor particular ideal para tus clases de repaso universitario online.

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4.5/5

5,0

(17)

$17 /clase

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Héctor
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Héctor
Profesor verificado, moderado por el equipo de Classgap
Venezuela

559 clases

Química

¡Hola! Agradezco mucho que te haya interesado mi perfil. Mi nombre es Héctor Salazar y soy Ingeniero Químico, graduado de la Universidad Simón Bolíva...

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$12 /clase

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Isai
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Isai
Profesor verificado, moderado por el equipo de Classgap
México

Profesor Nuevo

Matemáticas

Su servidor es especialista diseñador , Ingeniero Electromecánico que ama el enseñar a las nuevas generaciones la aplicación real de las matemáticas y...

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$7 /clase
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Muhammad B.
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Muhammad B.
Profesor verificado, moderado por el equipo de Classgap
Pakistán

Profesor Nuevo

Química

Pericyclic Reactions (Peri mean around and cyclic mean circle) So, Pericyclic mean around the circle. It may be define as: “A pericyclic reaction is a concerted reaction that proceeds through a cyclic transition state.” Characteristics of pericyclic all reactions: 1) All pericyclic reactions are single step mechanism. 2) All pericyclic reactions have conjugated cyclic transition state. 3) All pericyclic reactions are internally self-sufficient mean (no extra reagent and catalyst is required) they initiated by thermally or photo chemically. 4) All pericyclic reactions are stereospecific in nature mean (specific stereoisomer in reactants form specific stereoisomer in products). 5) All pericyclic reactions show equilibrium state mean (reactants and products have ability to inter change with each other). Types of pericyclic reactions: There are following types of pericyclic reactions 1) Electrocyclic reactions 2) Cycloaddition reactions 3) Sigmatropic rearrangement 1) Electrocyclic Reactions “An electrocyclic reaction is a reversible reaction that can involve ring closure or ring opening of one molecule of reactant to form one molecule of product.” Type of Electrocyclic Reactions: i) Electrocyclic ring closure reactions: “An electrocyclic ring closure is an intramolecular reaction that forms a cyclic product containing one more σ bond and one fewer π bond than the reactants.” ii) Electrocyclic ring opening reactions: “An electrocyclic ring opening is a reaction in which an σ bond of a cyclic reactant is cleaved to form a conjugated product with one more π bond.” To draw the product in each reaction, use curved arrows and begin at a π bond. Move the π electrons to an adjacent carbon-carbon bond and continue in a cyclic fashion.

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4,9

(146)

$18 /clase

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Patricia
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Patricia
Profesor verificado, moderado por el equipo de Classgap
España
Profesor Destacado

1919 clases

Matemáticas

Soy patricia, tengo 40 años, he estudiado biología en la USC y tengo 7 años de experiencia dando clases particulares de las asignaturas de ciencias y ...

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$9 /clase

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Allyssia
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Allyssia
Profesor verificado, moderado por el equipo de Classgap
Francia

Profesor Nuevo

Matemáticas

Hello everyone, I'm Allyssia ! I have design diploma and art, before I got this diploma I have been in Irland for studies. I was in intership, in upholstery and art. During my travel, I learn fluent English and professional English. With me you can learn: conversation in English, specific vocabulary or you train for a professional appointment. Dynamic, organized and joyful in nature, I would make your school hours together a good time all advancing towards your goals! I wait you, for learn English with smile ! See you next 😀 .....................................

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$7 /clase
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Wilfried
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Wilfried
Profesor verificado, moderado por el equipo de Classgap
Camerún

8 clases

Matemáticas

J'ai l'honneur de vous adresser ma correspondance en effet je m'appelle Wilfried Nounamo professeur depuis 5 ans en mathématiques et physiques au lycee de Makepe durant lesquelles j'ai enseigné les terminales spécialité Mathématiques et Physiques.vu ma façon de dispenser les cours j'ai déjà permi à plusieurs enfants à obtenir leur baccalauréat scientifique avec des notes excellentes en mahematiques et physiques dont certains sont actuellement à Polytechnique et aussi la licence en mathématiques . je reste disponible à tout élève qui aurait besoin de mes services Nb je vous apporterai toujours ma disponibilité peut importe l'heure

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5,0

(7)

$7 /clase

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Patricia
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Patricia
Profesor verificado, moderado por el equipo de Classgap
España

30 clases

Soy estudiante de Grado en Biología y puedo dar clases de apoyo en asignaturas relacionadas con la Biología para pruebas de acceso, selectividad, bach...

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$10 /clase

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Abner D.
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Abner D.
Profesor verificado, moderado por el equipo de Classgap
Estados Unidos

Profesor Nuevo

Matemáticas

Hello and welcome! My name is Abner, and for the past several years I’ve dedicated myself to helping students build confidence in their learning. I studied Journalism at the undergraduate level, but my real passion lies in teaching — guiding students to understand complex ideas in a simple, step-by-step way. What makes my classes different? I focus on clarity, patience, and personalization. Whether you’re learning Math, English, Kiswahili, or even creative skills like Video Editing, I make sure each lesson feels approachable and practical. My goal is to take you from confused to confident by breaking things down into familiar, easy-to-follow steps. I’ve worked with learners of all ages — from young children mastering the basics, to teenagers preparing for exams, to adults improving language or technical skills for personal and professional growth. Each lesson is tailored to your goals, whether that’s improving grades, learning a new language, or picking up a creative skill. If you’re looking for a friendly, experienced tutor who believes learning should feel natural and motivating, I’d be happy to guide you on your journey.

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$17 /clase

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Lorenzo
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Lorenzo
Profesor verificado, moderado por el equipo de Classgap
Italia

38 clases

Matemáticas

Sono uno studente di ingegneria dell'automazione a Firenze e, prima di iscrivermi all' università ho frequentato le scuole professionali per elettricisti civili ed industriali. Data la mia intenzione di continuare gli studi mi sono iscritto al quinto anno, e durante quest' esperienza ho approfondito il mondo dell’automazione industriale. Metto passione in ciò che studio, per questo credo di poter trasmettere meglio quello che ho appreso e continuo ad apprendere. Ho esperienza nell’insegnamento delle materie di matematica, fisica, elettronica generale ed elettrotecnica con studenti di scuole superiori e università. La lezione si divide in due parti: teorica e pratica. Per rendere efficace l'apprendimento utilizzo il metodo induttivo e deduttivo. In base alle necessità dello studente si inizia con un ripasso teorico dell' argomento interessato, per poi passare all' applicazione pratica. Utilizzo strumenti digitali per organizzare al meglio gli appunti delle lezioni e gli esercizi svolti, in modo che lo studente possa comodamente accedervi.

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5,0

(3)

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Vincenzo
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Vincenzo
Profesor verificado, moderado por el equipo de Classgap
Italia

29 clases

Matemáticas

My name is Vincenzo, and I hold a degree in Physics from the University of Salerno. I am a university Physics tutor at the Faculty of Aerospace and Mechanical Engineering at Federico II, and I have been offering private lessons in General Physics and Mathematics for years to university students from faculties such as Engineering, Biology, Chemistry, and Computer Science, as well as to high school students. During the lessons, I focus on identifying the reasons behind the student's struggles with the subject (often related to methodology, distractions, or insufficient attention to problem-solving steps). I also help those who are already proficient to improve further and become more efficient. The lessons are personalized based on the student's level and needs. My approach emphasizes understanding problem statements and the processes required to solve them, along with targeted theoretical explanations on specific topics. If you're interested in an online course aimed at passing an exam or a written test, feel free to contact me. Without any obligation, we can arrange an initial online meeting to discuss your needs.

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