Enthalpy – Hess Cycles
Learn how to plan an investigation and select the correct variables to control with this experiment to determine the enthalpy change for the reaction MgSO4 (s) + 7H2O(l) → MgSO4•7H2O(s) using Hess cycles. By measuring the enthalpy change of solution for the two solids and using a Hess cycle to calculate the enthalpy change for…
Titration Acid-Base (Simple)
Titration is a fundamental laboratory technique used to determine the concentration of a substance in a solution. In this article, we will walk you through the steps of performing a simple acid-base titration using sodium hydroxide and hydrochloric acid. We will also discuss important safety precautions to keep in mind, such as wearing appropriate protective…
Equilibria – Changes in Concentration with Detailed Chemical Reactions
Dive into the intriguing realm of chemical equilibria with our hands-on experiment that explores the effects of concentration changes on equilibrium positions. Learn how Le Chatelier’s principle comes into play when stresses are applied to a system in equilibrium, and witness the fascinating color changes that occur as a result. This engaging experiment provides valuable…
10 Best Science IBDP Revision Websites
This list features 10 highly recommended science IBDP revision websites, offering valuable resources and practice materials to help students prepare for their International Baccalaureate Diploma Programme exams. These websites cover a range of subjects, including Biology, Chemistry, and Physics, and provide notes, tutorials, quizzes, videos, and more.
Simple Titration – Acid/Base
Titration is a common laboratory technique used to determine the concentration of a substance in a solution. In this case, we will be performing a titration with sodium hydroxide (NaOH) and hydrochloric acid (HCl) to determine the concentration of HCl in a given solution.