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English (US)

Arithmetic

Biology

AP English Literature

These notes go over Lewis dot structures, valence electrons, covalent naming, polarity of bonds, electronegativity, molecular geometries, and molecular polarity. 

Study note

Jocelyn Perez

Chemistry

Molecules 

English (UK)

Explore the fundamentals of acids and alkalis, including the pH scale, properties of common acids and bases, and the process of salt formation through neutralization reactions. This summary covers key concepts such as strong and weak acids, polyatomic ions, and practical applications in chemistry. Ideal for students preparing for exams or seeking to deepen their understanding of acid-base chemistry.

Understanding Acids & Bases

Revision note

acid and alkalis

AP Chemistry

Acid and Alkalis

Investigate how pH changes when a weak acid reacts with a strong base and when a string acid reacts with a weak base || passed all competencies 

Explore the dynamics of pH changes during titrations involving weak acids and strong bases, as well as strong acids and weak bases. This practical investigation covers key concepts such as equivalence points, acid-base reactions, and buffer solutions, providing a comprehensive understanding of acid-base titrations. Ideal for chemistry students preparing for practical assessments.

pH Changes in Titrations

Essay

Laila

investigate how ph changes when a weak acid reacts with a strong base and when a string acid reacts with a weak base || passed all competencies 

required practical 9

Required Practical 9

Module 5 
Chapter 21 - Buffers and Neutralisation

Explore the fundamentals of buffer solutions, including preparation methods, the role of weak acids and their conjugate bases, and calculations for pH using the Henderson-Hasselbalch equation. This summary covers key concepts such as acid dissociation constant (Ka), buffer capacity, and the equilibrium shifts in response to added acids or alkalis. Ideal for students studying chemistry and seeking to understand the principles behind buffer systems.

Buffer Solutions Explained

sheila

module 5 
chapter 21 - buffers and neutralisation

chapter 21.1 - buffer solutions

Chapter 21.1 - Buffer Solutions

This study material contain information on the autopyrolysis of water. Formulas and sample problems are also included.

PH, POH, Strong Acids

5 best study notes in PH, POH, Strong Acids