Hess's Law states that the total enthalpy change of a reaction is independent of the pathway taken — it depends only on the initial and final states. This allows calculation of ΔH for reactions that are difficult to measure directly.
⭐
Did You Know?
Hess's Law (1840) was derived before the first law of thermodynamics was formally stated. It is essentially a special case of energy conservation applied to chemical reactions.
References
🔒
100% مفت
سائن اپ کی ضرورت نہیں
✓
درست
تصدیق شدہ فارمولے
⚡
فوری
ٹائپ کرتے وقت نتائج
📱
موبائل تیار
تمام آلات