Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM
Edexcel IGCSE Chemistry 复习笔记 1.5.3 Moles, Mass & RFM The Mole The Mole Chemical amounts are measured in moles The symbol for the unit mole is mol One mole of a substance contains the...
IB DP Maths: AA HL复习笔记3.10.1 Vector Equations of Lines
Equation of a Line in Vector Form How do I find the vector equation of a line? The formula for finding the vector equation of a line is This is given in the formula booklet This equation can be use...
2022年IB大考放榜，IB高分膨胀时代终结！附IB成绩查询方式
今年的IB成绩有通过考试得到的，也有通过评估给到的。 在成绩公布前，看看查分攻略。 1.IB成绩查询方式 为确保所有注册DP/CP的IB考生在5月的考试季中无论是否参加考试均能获得最终成绩，IB官方为学校提供了2种获...
IB DP Maths: AA HL复习笔记3.9.5 Geometric Proof with Vectors
Geometrical Proof with Vectors How can vectors be used to prove geometrical properties? If two vectors can be shown to be parallel then this can be used to prove parallel lines If two vectors are s...
IB DP Maths: AA HL复习笔记3.9.4 The Scalar Product
The Scalar ('Dot') Product What is the scalar product? The scalar product (also known as the dot product) is one form in which two vectors can be combined together The result of taking the scalar p...
IB DP Maths: AA HL复习笔记3.9.3 Magnitude of a Vector
Magnitude of a Vector How do you find the magnitude of a vector? The magnitude of a vector tells us its size or length For a displacement vector it tells us the distance between the two points For ...
AQA A Level Physics复习笔记7.6.1 Capacitance
Capacitance Capacitors are electrical devices used to store energy in electronic circuits, commonly for a backup release of energy if the power fails They are in the form of two conductive m...
IB DP Maths: AA HL复习笔记3.9.2 Position & Displacement Vectors
Adding & Subtracting Vectors How are vectors added and subtracted numerically? To add or subtract vectors numerically simply add or subtract each of the corresponding components In column vecto...
AQA A Level Physics复习笔记7.5.3 Work Done on a Charge
Work Done on a Charge When a mass with charge moves through an electric field, work is done The work done in moving a charge q is given by: ∆W = q∆V Where: ∆W = change in work done (J) q = c...
