四門AP物理學(xué)習(xí)內(nèi)容有什么區(qū)別？應(yīng)該如何選擇？
作為AP科學(xué)類中的頂梁柱，AP物理可謂是撐起了科學(xué)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(xué)什么內(nèi)容，彼此之間又有哪些異同？在選擇的時候應(yīng)該如何做好取舍呢？ AP物理...
Edexcel A Level Chemistry:復(fù)習(xí)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...
2023年AP計算機(jī)科學(xué)A課程報名開啟！社會考生也可報名
AP計算機(jī)既可以作為計算機(jī)專業(yè)的導(dǎo)論課，也可以作為其他專業(yè)學(xué)生成為當(dāng)今信息社會入門課程之一。這也是很多同學(xué)選擇計算機(jī)這門科目的原因。2023年AP計算機(jī)科學(xué)A課程報名開啟！社會考生也可報名~ AP計算機(jī)科學(xué)A課...
Edexcel A Level Chemistry:復(fù)習(xí)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...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.3.3 Polarising Power
Polarisation of Ions Theoretical lattice energies assume a perfect ionic model where the ions are 100% spherical and the attractions are purely electrostatic So overall, there has a been a c...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.3.2 Born-Haber Cycles
Born-Haber Cycles A?Born-Haber cycle?is a specific application of Hess’ Law for ionic compounds and enable us to calculate lattice enthalpy which cannot be found by experiment The basic prin...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.3.1 Lattice Energy
Lattice Energy Lattice energy As with bond enthalpy,?lattice energy?(ΔHlatt?) can be expressed as a formation or dissociation process As a formation process, it is the enthalpy change when?1...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.2.8 Weak Acid - Strong Base Titration
Weak Acid - Strong Base Titration In this example, strong sodium hydroxide, NaOH (aq), is being added to weak ethanoic acid, CH3COOH (aq) NaOH (aq) + CH3COOH (aq) →?CH3COONa (aq) + H2O (l) T...
Edexcel A Level Chemistry:復(fù)習(xí)筆記5.2.7 Buffers
Action of a Buffer Solution A?buffer solution?is a solution which resists changes in pH when small amounts of acids or alkalis are added A buffer solution is used to keep the pH almost const...
