Example3,4:Aluminium metal reacts with oxygen to produce aluminium oxide|How many molecules of water скачать в хорошем качестве

Example3,4:Aluminium metal reacts with oxygen to produce aluminium oxide|How many molecules of water

In this lecture, we will learn Calculations Based on Chemical Equations, including: ✔️ Understanding stoichiometric relationships in chemical reactions ✔️ Step-by-step problem-solving approach ✔️ Conversion between grams, moles, and molecules using balanced chemical equations ✔️ Application of Avogadro’s number in calculations 📌 Examples Solved: 3️⃣ Aluminium metal reacts with oxygen to form aluminium oxide: 4Al + 3O₂ → 2Al₂O₃ 🔹 How many grams of oxygen are required to react completely with 0.3 moles of aluminium? 4️⃣ How many molecules of water will be produced if we react 5g of hydrogen gas with excess oxygen gas? 2H₂ + O₂ → 2H₂O This lecture is specially designed for Class 9 students under the Punjab Board system, covering: Board of Intermediate and Secondary Education, Lahore Board of Intermediate and Secondary Education, Faisalabad Board of Intermediate and Secondary Education, Multan Board of Intermediate and Secondary Education, Rawalpindi Board of Intermediate and Secondary Education, Gujranwala Board of Intermediate and Secondary Education, Bahawalpur Board of Intermediate and Secondary Education, Sargodha Board of Intermediate and Secondary Education, Sahiwal Board of Intermediate and Secondary Education, Dera Ghazi Khan ✅ Watch till the end to master stoichiometry calculations and chemical equation-based problems! 📌 Stay Connected: 👉 Like, share, and subscribe for more Punjab Board Chemistry lectures! #Class9Chemistry #Stoichiometry #ChemicalEquations #MoleConcept #MolarMass #PunjabBoard #NewBook2025 #ChemistryLecture #ExamPreparation #ScienceForPakistan #LahoreBoard #FaisalabadBoard #MultanBoard #RawalpindiBoard #GujranwalaBoard #BahawalpurBoard #SargodhaBoard #SahiwalBoard #DeraGhaziKhanBoard #EducationalContent #ReactionCalculations #MassToMoles #AvogadroNumber #BalancingEquations #ptbr #ptb #ptcb #newbook #chemistry by Shoaib Javed #9thclasschemistry new book #chemistry class 9 new book