AQA A Level Chemistry復習筆記7.10.1 Principles of NMR
Principles of NMR Nuclear Magnetic Resonance (NMR)?spectroscopy is used for analysing organic compounds NMR analysis can provide information about the positions of?13C and?1H atoms in a mole...
AQA A Level Chemistry復習筆記7.11.1 Chromatography
Principles of Chromatography Principles of Chromatography Chromatography is a technique that enables the separation of mixtures and includes: thin-layer chromatography (TLC) column chromatog...
AQA A Level Chemistry復習筆記6.3.1 Metal-Aqua Ions
Metal Aqua-Ions Transition metal salts that are readily soluble in water are forming metal-aqua complex ions when they dissolve in water When we show copper sulfate dissolving in water it is...
AQA A Level Chemistry復習筆記6.2.1 General Properties of Transition Metals
General Properties of Transition Metals Transition metals are elements with an incomplete d-subshell that can form at least one stable ion with an incomplete d-subshell This definition disti...
AQA A Level Chemistry復習筆記6.1.1 Na & Mg with water
Na & Mg with water Sodium & Magnesium Both sodium, Na, and magnesium, Mg, are metals and are found in Group 1 and Group 2 of the periodic table respectively Both have high melting po...
AQA A Level Chemistry復習筆記5.6.1 Acid Dissociation Constant
Acid Dissociation Constant Weak acids A?weak acid?is an acid that?partially?(or incompletely)?dissociates?in aqueous solutions Eg. most organic acids (ethanoic acid), HCN (hydrocyanic acid),...
AQA A Level Chemistry復習筆記5.5.1 Br?nsted–Lowry Acid & Bases
Br?nsted–Lowry Acid & Bases A?Br?nsted acid?is a species that can donate a proton For example, hydrogen chloride (HCl) is a Br?nsted acid as it can lose a proton to form a hydrogen (H+) ...
AQA A Level Chemistry復習筆記5.4.1 Representing Cells
Representing Cells Electrochemical cells?generate electricity from spontaneous redox reactions For example: Zn (s)? + CuSO4?(aq)→ Cu (s)? + ZnSO4?(aq) Instead of electrons being transferred ...
AQA A Level Chemistry復習筆記5.3.1 Kp Expressions
Kp Expressions We have seen previously that equilibrium reactions can be quantified by reference to an equilibrium expression and equilibrium constant The?equilibrium expression?links the?eq...
