IB Chemistry R1.2 Definitions
This page contains our IB Chemistry definitions for R1.2. By learning each one of these definitions, you will fully cover the content for IB Chemistry 'Cycles of energy'.
average bond enthalpy
The energy needed to break one mole of a bond in a gaseous molecule and averaged and averaged over similar compounds
standard enthalpy change of combustion
Enthalpy change to completely combust one mole of a compound at STP
standard enthalpy change of formation
Enthalpy change to form one mole of a compound from its elemental constituents at STP
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