This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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Here are the answers to the MCQs: (i) Enthalpy change of combustion of a substance is: B) always negative (ii) Which of the following equation correctly defines lattice energy of MgCl_2? B) Mg^2+_(g) + 2Cl^-_(g) MgCl_2(s) (iii) Which of the following quantity is NOT typically determined using Hess's Law? C) Activation energy (iv) Which of following has maximum enthalpy of hydration? C) Al^3+ (v) The standard enthalpy change of formation of any element in its standard state is: C) zero (vi) Specific heat of water is: A) 4.2 J g^-1 K^-1 (vii) The enthalpy of solution can be expressed in terms of which of the following enthalpy changes? C) - H_lattice + H_hydration (viii) The enthalpy change for a reaction depends on: C) Initial and final states of the reactants and products (ix) Lattice energy is independent of: D) Electrical Conductivity (x) Born-Haber cycle is used to determine the: C) Lattice Energy (xi) An Example of Endothermic process is: A) Evaporation (xii) An Example of exothermic process is: C) Combustion (xiii) Enthalpy of atomization of Na metal is: B) 108 kJ/mol (xiv) For the reaction NaOH + HCl NaCl + H_2O. The change of enthalpy is called: D) Heat of Neutralization (xv) The Born-Haber Cycle is the application of _______ Law: A) Hess's Law 3 done, 2 left today. You're making progress.