Chemistry Experiments

95 experiment protocols with step-by-step instructions

All Categories Flame Tests Titrations Electrochemistry Organic Synthesis Crystallization Gas Laws Thermochemistry Qualitative Analysis Colorimetry Classroom Demonstrations

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Crystallization of Salol (Phenyl Salicylate)

Observing crystal growth under a microscope in real time

Observe the real-time growth of salol crystals under a microscope, studying nucleation, crystal growth rates, and the effect of temperature …

Crystallization · Intermediate (High School) · 30 min · 6 steps

Recrystallization of Benzoic Acid

Purifying a solid by dissolving in hot solvent and cooling

Purify impure benzoic acid by recrystallization from hot water, demonstrating the standard purification technique for organic solids.

Crystallization · Intermediate (High School) · 45 min · 8 steps

Supersaturation and Instant Crystallization

Triggering instant crystal formation in sodium acetate

Prepare a supersaturated sodium acetate solution and trigger instantaneous crystallization, demonstrating metastable supersaturation and exothermic crystallization (hot ice).

Crystallization · Intermediate (High School) · 35 min · 6 steps