Refrigerator Working
How does a refrigerator keep things cold?
Why is atomic mass not always a whole number?
Why do we have atomic masses like 35.5 u for chlorine?
Thermal Equilibrium
Why does an ice cube eventually melt in a warm room?
How to find empirical formula from percentage composition
If a compound contains 40% C, 6.7% H, and 53.3% O, how do we find its formula?
Absolute Zero
What happens at absolute zero temperature?
Limiting reagent in real life
Why is the concept of limiting reagent important in industries?
Greenhouse Effect
Why do cars heat up when parked in sunlight?
SI units confusion
Why do we use m³ for volume but liters in daily life?
Entropy in Daily Life
Why is it easier to mix sugar in tea than to separate it again?
Why did Rutherford’s model fail?
Rutherford proposed electrons revolve around the nucleus. Why wasn’t that enough?
Newton’s First Law
Why does a passenger feel a jerk when a bus suddenly starts?
Quantum numbers demystified
What do the four quantum numbers represent in simple terms?
Balanced Forces
Can a body remain at rest even if multiple forces act on it?
Why are spectral lines formed?
Why does hydrogen show discrete colored lines instead of a continuous spectrum?
Friction Role
Is friction always an enemy?
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