Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The energy changes that take place during a reaction can be shown on a reaction profile diagram. During a chemical reaction, heat energy can be given out or taken in by the chemicals. This can cause ...

Try these interactive flashcards based on GCSE chemistry past papers. By working your way through the flashcards created by experts, you can prepare for your chemistry exams and make your revision ...