The thermal decomposition of ammonium chloride is represented by the following equation:
NH4Cl(s)⇌NH3(g)+HCl(g) \text{NH}_4\text{Cl(s)} \rightleftharpoons \text{NH}_3\text{(g)} + \text{HCl(g)} NH4Cl(s)⇌NH3(g)+HCl(g)State what the symbol ⇌ \rightleftharpoons\,⇌ represents in this equation.
38 exam-style questions on Edexcel GCSE Chemistry 5.2 Reversible reactions and equilibria, covering 5.2.1 Reversible reactions and dynamic equilibrium, 5.2.2 The Haber process, and 5.2.3 Changing the position of a dynamic equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.