Zadania z chemii IB SL

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Given the following data: $\ce{CaO(s) + CO2(g) -> CaCO3(s)}$

\Delta H = -p\ \mathrm{kJ}

\ce{2Ca(s) + O2(g) -> 2CaO(s)}

\Delta H = -q\ \mathrm{kJ}

\ce{2CaCO3(s) -> 2Ca(s) + 2C(s) + 3O2(g)}

\Delta H = +r\ \mathrm{kJ}

What is the

\Delta H

of the…

(i) Calculate the enthalpy change, $\Delta H$ , for the overall synthesis of propyl ethanoate from propane and ethane shown above. Use section 12 of the data booklet. (ii) Two students each calculated the enthalpy change for the reaction between propan-1-ol and…