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Understanding Chemical Reactions: Types and Equations

This guide explores various types of chemical reactions, including synthesis, decomposition, single replacement, double replacement, and combustion. Each reaction type is defined with examples, illustrating how reactants combine or break down to form products. For instance, synthesis reactions produce a single product from multiple reactants, while decomposition reactions break down a substance into simpler components. The guide also covers reaction equations, showing how to represent these processes systematically.

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Understanding Chemical Reactions: Types and Equations

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  1. Unit 7 Chemical Reactions

  2. Chemical Equations Synthesis Reactions A single product is produced from 2 or more reactants X + Y  Z SO3 + H2O  H2SO4 Decomposition Reactions A single reactant is converted into 2 or more products Z  X + Y H2SO4 SO3+ H2O

  3. Chemical Equations Single Replacement Reactions One element within a compound is replaced with another element XY + ZZY + X H2SO4 + Mg2+ MgSO4 + 2 H+ Double Replacement Reactions 2 compounds switch parts with each other to form two new compounds AB + XY AX + BY MgSO4 + CaCO3 CaSO4+ MgCO3

  4. Chemical Equations Combustion Reactions A substance reacts with O2 (typically with the help of a flame) 2 C4H10+ 13 O2 8 CO2 + 10 H2O

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