Water droplets forming on a window on a cool day is an example of evaporation

no its condensation

Explanation:

evaporation is when water.. well evaporated and condensation is when water condenses into liquid from a gas

The statement is false.

Explanation:

Evaporation is a type of vaporization as the surface of a liquid changes into a gas. The event explained in the question refers to condensation, event that happens when a gas changes into a liquid state, such as the droplets forming on a window on a cool day.

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.

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