3H2 (g) + N2 (g) ⇔ 2NH3(g) ΔH – 49.95 KTmol−¹ Describe, according to Le Chatelier’s Principle how the equilibrium…
Le Chatelier’s principle states that if an external constraint is imposed on system. In chemical equilibrium position will adjust so…
Solutions The destructive distillation of Coal is the process of heating coal to a very high temperature in the absence…
Solutions i. Diamond (Uses) – Drills and cutting of metals as pivot support, as jewelries. ii. Graphite (Uses) – As lubricants…
Solution 1000cm³ of solution contain 6.44 m of salt Therefore 100 cm³ of solution contains (6.44/1000 x 100) = 0.644…
Solution: A saturated solution is a solution which contains as much solute as it can dissolve at that temperature in…
Solutions Exothermic Reaction Endothermic Reaction ΔH is negative ΔH is positive Heat is liberated from surrounding Heat is absorbed from…
Total entropy change must be positive i.e. ΔS (total) > 0 Free energy of the system must be negative i.e.…
The second law of thermodynamics states that a spontaneous process occurs only if there is an increase in entropy of…
i) CH3COOCH3 ii) CH3COOC2H5 iii) (CH3)2CHCOOH Solutions: i) Methyl Ethanonate ii) Ethyl Ethanonate iii) 2 methyl propanoic acid