Kneebees

This document covers first-year university-level linear algebra. It features notes on each topic as well as practice problems done in class with answers. The units covered are: 1. Vectors, sets, lines, and planes (notation, dot product) 2. Systems of linear equations (matrices, Gauss-Jordan elimination, REF, RREF, types of matrices, types of solutions, matrix operations, matrix rank 3. Linear transformations (scaling, orthogonal projection, reflections, rotations, shear) 4. Composition and...

This collection of notes goes over year 1 of the International Baccalaureate (IB) Higher Level (HL) Chemistry content. It can also be used to study for grade 11/12 chemistry. It is sorted by unit on Kognity and summarizes Kognity chapters, adding additional notes from textbooks and previous exam questions. Topics included are: 1.2 The Nuclear Atom (atomic models, isotopes) 1.3 Electron Configurations (the electromagnetic spectrum, wavelength calculations, the emission line spectrum, quan...