🔹 1. Definition of Internal Energy Internal Energy (U) is the total energy possessed by a system due to: 1. Kinetic energy of molecules (translation, rotation, vibration) 2. Potential energy of molecules (intermolecular forces, bonds) It includes: Motion of molecules Attractions/repulsions between ...
Image to JPEG Converter - Auto Compress Under 100KB JPEGify âš¡ Instant Conversion Convert to JPEG Under 100KB Convert any image format to optimized JPEG automatically compressed under 100KB. Upload, convert, and download instantly! 1 Upload Image Drop your image here or click to browse Supports PNG, ...
Hydrogen Test Paper in Chemistry Say Yes to New Adventures ✨ Hydrogen – Practice Set (Class 8, ICSE) 🔹 MCQs (12) Q1. The symbol of hydrogen is: a) H₂ b) H c) Hy d) He 👉 Answer: b) H Q2. Atomic number of hydrogen is: a) 0 b) 1 c) 2 d) 3 👉 Answer: b) 1 Q3. Hydrogen was discovered by: a) Cavendish ...