# Equations

Mind Map by ammi_lally, updated more than 1 year ago
 Created by ammi_lally over 5 years ago
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### Description

AQA Chemistry Unit 5 Reactions for A-Level - the different equations we need to know

## Resource summary

Equations
1. Period 3 Elements
1. Reactions with Water
1. 2 Na(s) + 2 H2O(l) --> 2 NaOH(aq) + H2(g)
1. Mg(s) + 2 H2O(l) --> Mg(OH)2 (aq) + H2(g)
1. Mg(s) + H2O(g) --> MgO(s) + H2(g)
2. Reactions with Oxygen
1. 2Na(s) + 0.5O2(g) --> Na2O(s)
1. Mg(s) + 0.5O2(g) --> MgO(s)
1. 2Al(s) + 1.5O2(g) --> Al2O3(s)
1. Si(s) +O2 --> SiO2 (s)
1. P4(s) + 5O2(g) --> P4O10(s)
1. S(s) + O2(g) --> SO2(g)
2. Oxides with Water
1. Ionic Oxides
1. Na2O(s) + H20(l) --> 2NaOH (aq)
1. MgO(s) + H2O(l) --> Mg(OH)2 (aq)
2. Simple Covalent Oxides
1. P4O10(s) + 6H2O(l) --> 4H3PO4 (aq)
1. SO2(s) + H20(l) --> H2SO3(aq)
1. SO3(s) + H2O(l) --> H2SO4 (aq)
2. Acid + Base --> Salt + Water
1. Basic Oxides neutralising acids:
1. Na2O(s) + HCl -->

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