Brønsted–Lowry Acid & Base Theory The Brønsted-Lowry Theory defines acids and bases in terms of proton transfer between chemical compounds A Brønsted acid is a species that can donate a ...
Temperature & the Equilibrium Constant Changes in temperature change the equilibrium constants Kc and Kp For an endothermic reaction such as: An increase in temperature: [H2] and [...
Equilibrium Constant Calculations Calculations involving Kc In the equilibrium expression each figure within a square bracket represents the concentration in mol dm-3 The units of Kc therefo...
2023年AP物理2课程报名开启！不要错过这次的机会！AP物理2是一门以代数为基础的大学物理入门课程。学生通过探究性的研究来培养他们对物理的理解，研究主题包括：流体、热力学、电力、场和势、电路、磁性和电磁感...
2022年AS和A-level的夏季大考成绩已经出分将近大半个月了，众多的A-level学子都用自己辛勤的付出交付了满意的答卷。 那么对于AS年级的学生而言，一份满意的成绩就意味着接下来申请大学有了有力的保障。对于A2年级...
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...
Core Practical 7: Analysis of Inorganic and Organic Unknowns Test Tube Reactions Simple test tube reactions can be done to identify the following ions: Ammonium ions (NH4+) Halide ions (X-) ...
Core Practical 6: Chlorination of 2-Methylpropan-2-ol Synthesis of a haloalkane from an alcohol Measure 8 cm3 of 2-methylpropan-2-ol in a measuring cylinder Pour the 2-methylpropan-2-ol into...
Core Practical 5: Oxidation of Ethanol Oxidation of ethanol Primary alcohols can be oxidised to form aldehydes which can undergo further oxidation to form carboxylic acids When ethanol is ox...
