Why do some salts cool the water? Urea, KNO₃ and NaCl
Dissolve 5 g each of urea, KNO₃ and NaCl in 50 mL of water and measure the temperature fall; calculate ΔsolH for each.
About this experiment
| Subject | Chemistry |
|---|---|
| Class | 11 |
| Unit | 11. NEET / JEE Practice Labs (Class XI) |
| Level | NEET level |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the chemistry behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: chemistry · NEET / JEE Practice Labs (Class XI)
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