The energy released (sometimes called enthalpy) is calculated using the following equation: \({E_h} = cm\Delta T\) \({E_h}\) is the heat energy released (in kJ or kJ mol-1) \(c\) is the specific ...
like Hess’s law and the standard enthalpy of reaction is good too,” he says. Moses recommends practising A-level or HKCEE papers for certain topics, such as equilibrium and organic chemistry.
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