The energy from burning \( 0.321 \, g \) of methanol causes the temperature of \( 200 \, cm^3 \) of water to rise by \( 5.00 \, K \). What is the enthalpy of combustion of the methanol in \( kJ \, mol^{-1} \)?
Specific heat capacity of water: \( 4.18 \, J \, g^{-1}K^{-1} \), \( M_r \) methanol \( = 32.05 \, g \, mol^{-1} \)
\( Q=mc\Delta T \)