2023AP藝術史考試報名開啟！社會考生如何報名？
9月19日，美國大學理事會College Board?宣布大陸2023年AP考試報名正式開啟。 在2022-23學年，大學理事會繼續與Prometric合作管理國內的AP考試報名和考務工作。 2022-23學年AP藝術史考試可以正式報名了！ AP藝術史...
Edexcel A Level Chemistry:復習筆記5.5.5 Continuous Monitoring Method
Continuous Monitoring Method Continuous?monitoring?involves collecting experimental data throughout the course of a reaction to plot a concentration-time graph Two of the most common ways to...
Edexcel A Level Chemistry:復習筆記5.5.4 Initial Rates Method
Initial Rates Methods The?initial rates method?determines the rate at the very start of the reaction when?t?= 0 The initial rate can be found by: Drawing a?concentration-time graph Adding a?...
Edexcel A Level Chemistry:復習筆記5.5.3 Rates - Experimental Techniques
Rates - Experimental Techniques To measure the?rate of a reaction, we need to be able to measure either how quickly the reactants are used up or how quickly the products are formed The metho...
Edexcel A Level Chemistry:復習筆記5.5.2 Rate Equations
Orders of Reaction The?order?of a reactant shows how the concentration of a chemical, typically a reactant, affects the rate of reaction It is the power to which the concentration of that re...
Edexcel A Level Chemistry:復習筆記5.5.1 Rates of Reaction
Rates of Reaction - Introduction The?rate of reaction?refers to the change in the amount or concentration of a reactant?or?product per unit time The units for rate of reaction are mol dm-3?s...
Edexcel A Level Chemistry:復習筆記5.4.4 Feasible Reactions
Feasible Reactions Graphing the Gibbs Equation The Gibbs equation can be expressed as the equation for a straight line ΔG??= ΔH??- TΔS? ΔG??=?-?ΔS?T??+ ΔH? y = mx + c A graph of free energy ...
Edexcel A Level Chemistry:復習筆記5.4.3 Gibbs Free Energy
Feasibility of Reactions Gibbs free energy The feasibility of a reaction is determined by two factors The?enthalpy?and?entropy change The two factors come together in a fundamental thermodyn...
Edexcel A Level Chemistry:復習筆記5.4.2 Entropy Calculations
Total Entropy Calculations If we take the reaction between sodium and chorine, we know that this is a very exothermic reaction and also involves a decrease in entropy as a solid is produced ...
四門AP物理學習內容有什么區別？應該如何選擇？
作為AP科學類中的頂梁柱，AP物理可謂是撐起了科學類的半邊天。但是新手小白在剛開始面對4門AP物理時總是傻傻分不清楚：這幾門到底要學什么內容，彼此之間又有哪些異同？在選擇的時候應該如何做好取舍呢？ AP物理...
Edexcel A Level Chemistry:復習筆記5.4.1 Introducing Entropy
Introducing Entropy You may have wondered why it is that?endothermic?reactions occur at all, after all, what can be the driving force behind endothermic reactions if the products end up in a...
Edexcel A Level Chemistry:復習筆記5.3.4 Enthalpy of Solution
Solution & Hydration Definitions Enthalpy of solution The?standard enthalpy change of solution (ΔHsol?)?is the enthalpy change when?1 mole?of an ionic substance?dissolves?in sufficient w...
