CHEM 15019: Principles of Chemistry I

We'll guide you through the process of calculating the energy associated with X-ray photons when the wavelength is 0.154 nm. This video offers a practical application of physics and helps you understand the energy spectrum of X-rays. Whether you're a science enthusiast or a student, you'll gain valuable insights into this intriguing topic.

Unraveling Molecular Structures: Explore the composition of compounds with molecular formulas CH4O, CH3Cl, C2H6, CH5N, C2F6, C2H5Br, and C3H8. Learn about their unique structures and properties.

Discover how to choose the right indicator for a titration involving Potassium hydrogen phthalate (KHP) and a strong base. Grasp the calculations from molar mass to pH and understand why Thymolphthalein is the ideal choice for a change near pH 8.95.

In this video we clarify why lattice energy in solids is always a positive value due to the energy needed to separate ions making it an endothermic process. On the flip side hydration energy is always negative as it releases heat when ions dissolve in water making it an exothermic reaction. We use sodium chloride as a real-world example to illustrate these crucial thermodynamic concepts

Discover the fascinating world of chemical reactions with N-Bromosuccinimide (NBS) in Carbon Tetrachloride (CCl4), initiated by light. Explore the bromination process and its effects on molecules like cyclopentene, 2,3-dimethylbut-2-ene, and CH3 toluene, leading to valuable insights into organic chemistry.