Error in calorimeter experiment of combustion of ethanol

Definie Hess's law

Defnie Standar enthalpy of formation

describe the endothermic process

describe the exothermic process

standard enthaply of combustion

Emergy cycles Born haber cycle.
atom and I.E

Energy cycles Born Haber cycle.
E.A and Lattice enthalpy

Predicting the Lattice Enthaply

Enthalpies change of solution

define entropy (s)

predicting entropy change values

calculating the entropy change

Gibbs free energy (system)

calculating gibbs free energy reaction