Use the values below to answer the question that follows. ΔHsub of MgΔHf of MgCl2(s)1st ionization energy of Mg2nd ionization energy of MgBond energy of Cl2 Electron affinity of Cl=147.7 kJ/mol=−641.3 kJ/mol=737 kJ/mol=1450.7 kJ/mol=242 kJ/mol=−349 kJ/mol For the values given above, "sub" stands for sublimation and "f" stands for formation. What is the lattice energy (lattice enthalpy) of MgCl2? Your answer should have three significant figures.

answer: the enthalpy of the overall chemical reaction is +87.88 kj or +88 kj.

according to hess's law, the overall enthalpy of a reaction is the difference between the sum of enthalpy values of all the products and the sum of enthalpy values of all the reactants.

δh(reaction) = ∑nδh(products) - ∑nδh(reactants)

δh(reaction) = [δh +δh] - [δh]

δh(reaction) = [1(-287.02) + 1(0) ] - [1(-374.9)] kj = +87.88 kj

here, δh (pcl3) = -287.02 kj, δh(cl2) = 0, δh(pcl5) = -374.9 kj

therefore, enthalpy of the overall reaction is +87.88 kj or +88 kj.

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

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