Edexcel IGCSE Chemistry 復習筆記 4.1.3 Classifying Organic Reactions Classifying Organic Reactions The reactions of organic compounds can be classified into?substitution,?addition?and?combus...
Edexcel IGCSE Chemistry 復習筆記 4.1.2 Naming Organic Compounds Naming Organic Compounds Names of compounds The names of organic compounds have two parts: the prefix or stem and the end part...
Edexcel IGCSE Chemistry 復習筆記 4.1.1 Organic Compounds Representing Organic Compounds Introduction Organic Chemistry is the scientific study of the structure, properties, and reactions of ...
Derivation of v = f λ Using the definitions of speed, frequency and wavelength, the wave equation?v?=?fλ?can be derived This is an important relationship between three key properties of a wave The ...
Edexcel IGCSE Chemistry 復習筆記 3.3.3 The Position of Equilibrium Factors that Affect the Position of Equilibrium ?When a change is made to the conditions of a system at equilibrium, the sy...
Edexcel IGCSE Chemistry 復習筆記 3.3.2 Dynamic Equilibrium Dynamic Equilibrium We have already seen that a reversible reaction is one that occurs in?both?directions When during the course of reacti...
Cathode-Ray Oscilloscope A Cathode-Ray Oscilloscope is a laboratory instrument used to display, measure and analyse waveforms of electrical circuits An A.C. current on an oscilloscope is represente...
Edexcel IGCSE Chemistry 復習筆記 3.3.1 Reversible Reactions Reversible Reactions Some reactions go to?completion, where the reactants are used up to form the product molecules and the reacti...
Wave Motion Energy is transferred through moving?oscillations?or?vibrations. These can be seen in vibrations of ropes or springs Waves can be shown through vibrations in ropes or springs The oscill...
Area under a Force-Extension Graph The work done in stretching a material is equal to the force multiplied by the distance moved Therefore, the?area under a force-extension graph is equal to the wo...
Elastic & Plastic Deformation Elastic deformation:?when the load is removed, the object?will?return to its original shape Plastic deformation:?when the load is removed, the object?will?not?retu...
Stress, Strain & the Young Modulus Stress Tensile stress is the?applied force per unit cross sectional area?of a material Stress equation The?ultimate tensile stress?is the?maximum?force per or...
