Common Misconceptions
Is molarity and molality the same thing?
Thermodynamics Basics
What is the “zeroth law” of thermodynamics?
Bohr’s Model in Simple Words
Why did Bohr’s model become a turning point in atomic theory?
Heat vs Temperature
Are heat and temperature the same thing?
Quantum Numbers Explained
What are quantum numbers, and why do we need four of them?
Expansion of Solids
Why do bridges have expansion gaps?
Wave-Particle Duality
How can light act like both a particle and a wave?
Specific Heat Intuition
Why does water take longer to heat up than sand?
Heisenberg’s Uncertainty Principle
What does the uncertainty principle really mean?
First Law of Thermodynamics
How does the first law apply to boiling water in a kettle?
Electronic Configuration Tricks
How can you quickly write the electronic configuration of an element?
Second Law of Thermodynamics
Why can’t heat flow from a cold object to a hot one naturally?
Why do we need a mole concept?
Why can't we simply count atoms instead of using the "mole" in chemistry?
Heat Engines
Why can’t any heat engine be 100% efficient?
Difference between molarity and molality
Students often mix these two terms. How are they different?
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