These interactive flashcards help IB Chemistry students Standard Level (SL) and Higher Level (HL) quickly review and memorize the essential definitions, formulas, and terms needed for success in IB Exams. Each card focuses on R1.2.4 Hess's Law with combustion and formation data (Higher Level Only) and is aligned with the IB Chemistry syllabus, ensuring focused revision on atomic structure, chemical reactions, and organic chemistry. Students can test themselves anytime, anywhere, perfect for reinforcing tricky concepts, learning IB terminology, and committing formulas to memory. By using RevisionDojo's flashcards consistently, learners turn repetition into mastery and enter the exam with confidence.