CIE A Level Chemistry復習筆記5.6.3 Half-Life
First Order Reaction Half-life The?half-life?of a?first-order?reaction is?independent?of the concentration of reactants This means that despite the?concentrations of the reactants decreasing?during...
CIE A Level Chemistry復習筆記5.6.2 Kinetics Calculations
Kinetics: Calculations Order of reaction The?order of reaction?shows how the concentration of a reactant affects the rate of reaction Rate =?k?[A]m?[B]n When m or n is zero = the concentration of t...
CIE A Level Chemistry復習筆記5.6.1 Basics of Kinetics
Kinetics: Basics The?rate of reaction?refers to the change in the amount or concentration of a reactant or product per unit time and can be found by: Measuring the?decrease in the concentration of ...
CIE A Level Chemistry復習筆記5.5.9 Partition Coefficients
Partition Coefficient & Calculations The?partition coefficient (Kpc)?is the ratio of the concentrations of a?solute?in two different immiscible solvents in contact with each other when equilibr...
CIE A Level Chemistry復習筆記5.5.8 The Common Ion Effect
Solubility Product & the Common Ion Effect A?saturated solution?is a solution that contains the?maximum?amount of dissolved salt If a second compound, which has an ion?in common?with the dissol...
CIE A Level Chemistry復習筆記5.5.7 Solubility Product Calculations
Calculating the Solubility Product Calculations involving the?solubility product?(Ksp) may include:: Calculating the solubility product of a compound from its?solubility Calculating the solubility ...
CIE A Level Chemistry復習筆記5.5.6 Solubility Product
Solubility Product Solubility?is defined as the?number of grams?or?moles?of compound needed to?saturate?100 g of?water, or it can also be defined in terms of 1 kg of water, at a given temperature F...
CIE A Level Chemistry復習筆記5.5.5 Buffer Calculations
Calculating pH of Buffer Solutions The pH of a?buffer?solution?can be calculated using: The?Ka?of the?weak acid The?equilibrium concentration?of the?weak acid?and its?conjugate base?(salt) To deter...
CIE A Level Chemistry復習筆記5.5.4 Buffers
Buffers A?buffer solution?is a solution in which the pH does not change a lot when small amounts of acids or alkalis are added A buffer solution is used to keep the pH almost constant A buffer can ...
