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5. Chemical Energetics

Cambridge IGCSE Chemistry (0620) · 2 topics

Enthalpy Change & Activation Energy

What is Energy Change in Reactions? All chemical reactions involve energy changes . Energy is required to break bonds and is released when new bonds are formed.…
Bond Breaking & Bond Forming

Energy and Chemical Bonds During chemical reactions, bonds in reactants are broken and new bonds in products are formed. These processes involve energy changes.…