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Edexcel A Level Chemistry:復習筆記1.7.2 Titrations

2022-09-09

Titration Calculations Volumetric Analysis Volumetric analysis?is a process that uses the volume and concentration of one chemical reactant (standard solution) to determine the concentration...

Edexcel A Level Chemistry:復習筆記1.7.1 Reacting Volume Calculations

2022-09-09

Reacting Volume Calculations Reacting volume calculations are commonly associated with the reactions of gases All gases occupy the same volume under the same conditions At room temperature a...

Edexcel A Level Chemistry:復習筆記1.6.5 Amount of Substance Calculations

2022-09-09

Amount of Substance Calculations As previously discussed, the amount of substance can be defined as the number of particles in a substance,?n, measured in moles (often abbreviated to mol) In...

Edexcel A Level Chemistry:復習筆記1.6.4 The Mole & the Avogadro Constant

2022-09-09

The Mole & Avogadro The?Avogadro constant?(NA?or?L) is the number of particles equivalent to the relative?atomic?mass?or?molecular mass?of a substance The Avogadro constant applies to at...

Edexcel A Level Chemistry:復習筆記1.6.3 Applying Equations

2022-09-09

Relating Observations to Chemical Equations Chemical equations give information about the reaction that is taking place Balanced equations show the number of particles participating in the r...

Edexcel A Level Chemistry:復習筆記1.6.2 Balanced Equations

2022-09-09

Writing Balanced Equations A?symbol?equation is a shorthand way of describing a chemical reaction using?chemical symbols?to show the number and type of each atom in the reactants and product...

Edexcel A Level Chemistry:復習筆記1.6.1 Empirical & Molecular Formulae

2022-09-09

Empirical & Molecular Formula Definitions The?molecular?formula?is the formula that shows the?number?and?type?of each atom in a molecule E.g. the molecular formula of ethanoic acid is C2...