Physics lessons in Mecca

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3 physics teachers in Mecca

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3 physics teachers in Mecca

Trusted teacher: Thermal changes accompanying physical and chemical changes Thermal changes accompanying physical changes - melting temperature It is the temperature change when one mole of solute is dissolved in a given amount of solvent (The amount of heat energy absorbed or released when one mole of solute is dissolved in a given amount of solvent). During the dissolution process: two processes occur: A- Dissociation: the breaking of bonds (endothermic reaction) Sodium and chloride ions dissociate from the crystal lattice as a result of the ionic bond breaking. The energy absorbed to break the bond is called the heat of the crystal lattice (bond energy). - Crystal lattice temperature: It is the energy needed to break the bond between ions in the crystal lattice. B- Hydration: The dissociated ions bind with water molecules to form hydration ions (exothermic process). Rehydration temperature: It is the amount of heat released when hydrating ions bind to water molecules. If the crystal lattice temperature > heat of hydration Dilution temperature: It is the heat change per mole of solute when diluted from a concentrated solution to a dilute solution. (It is the heat change of one mole of solute when diluted in a large amount of water (about 1000 moles of solvent)). Sedimentation temperature: The amount of heat released when one mole of an insoluble substance is completely precipitated. - heat of combustion It is the amount of heat released when one mole of a substance is completely burned in an abundance of oxygen. (The reaction is always exothermic). Formation temperature: It is the amount of heat released or absorbed when one mole of a compound is formed from its elemental elements so that the elements are in their standard state. (at 25 °C, a pressure of 76 x g). Note: Heat of formation of the elements = zero
Chemistry · Physics · Science
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Math · Physics · Engineering
Physics · High school entrance prep · Tutoring
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 4.8 out of 5 based on 189 reviews.

Science and math tutoring for primary and secondary school students (Şişli)
Mavi
I am pleased to share my positive experience with Mavi. Mavi's professionalism and deep knowledge of mathematics. Mavi's teaching approach is organized, clear, and engaging. She possess a remarkable ability to simplify complex concepts, making them accessible to all students. The personalized attention given to each student's learning style ensures a comprehensive understanding of the material. What stands out about Mavi is not only her expertise but also their commitment to creating a positive and inclusive learning environment. Students benefit from a supportive atmosphere that encourages collaboration and open communication. In summary, I highly recommend Mavi as a math teacher. her professionalism, knowledge, and dedication to student success make them an invaluable asset.
Review by ANTONELA
Private coding / programming lessons with python (Paris)
Matías
Highly recommended teacher!!! Matias teaching methods are great. Very clear and concise. Doesn’t waste your time explaining meaningless background information and always lectures with the intent to help you understand the material. He’s helped me understand content for my master course on Python and is one of the best lecturers that I’ve had. Your passion and dedication is beyond words! Thank you for getting me through this hard quick semester, I honestly would have never passed if it was not for your help! Thank you so much once again!
Review by JURIS
CCVX + James Boswell Entrance Exams Preparation (Physics) (Groningen)
Bibek
I was preparing for CCVX and Boswell Beta physics exams and the lessons with Bibek helped a lot. They were very flexible, and suited for me, I received a lot of tips and the general atmosphere during the lessons was very good. I would definitely recommend Bibek to everyone looking for a person with great physics knowledge and also teaching skills, as he was able to explain everything in a way that I would definitely understand, by even giving some visual references.
Review by AISTE