Edexcel IGCSE Chemistry 復習筆記 1.5.3 Moles, Mass & RFM
Edexcel IGCSE Chemistry 復習筆記 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復習筆記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高分膨脹時代終結！附IB成績查詢方式
今年的IB成績有通過考試得到的，也有通過評估給到的。 在成績公布前，看看查分攻略。 1.IB成績查詢方式 為確保所有注冊DP/CP的IB考生在5月的考試季中無論是否參加考試均能獲得最終成績，IB官方為學校提供了2種獲...
IB DP Maths: AA HL復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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復習筆記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...
AQA A Level Physics復習筆記7.5.2 Graphical Representation of Electric Potential
Graphical Representation of Electric Potential Electric field strength,?E?and the?electric potential,?V?can be graphically represented against the distance from the centre of a charge,?r E, ...
AQA A Level Physics復習筆記7.5.1 Electric Potential
Electric Potential In order to move a positive charge closer to another positive charge, work must be done to overcome the force of repulsion between them Similarly, to move a positive charg...
IB DP Maths: AA HL復習筆記3.9.1 Introduction to Vectors
Scalars & Vectors What are scalars? Scalars?are quantities without?direction They have only a?size (magnitude) For example:?speed, distance, time, mass Most scalar quantities?can never be?negat...
