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Vincent Owino
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Stepwise calculation of enthalpy of combustion from experimental data

Step 1:Calculate the energy change used to heat the water. Q = m x cp x ΔT. Note that the mass is the mass of water in the calorimeter and not the alcohol Step 2: Calculate the number of moles of the substance combusted.   step 3: calculate the enthalpy change per mole, which is called ΔcH (the enthalpy change of combustion) final step: Finally, add in the sign to represent the energy change: if the temperature increases, the reaction ...

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