Which best describes how decomposers recycle energy in an ecosystem? A.
Decomposers break down energy sources within the ecosystem.

B.
Decomposers provide energy directly to producers in an ecosystem.

C.
Decomposers provide energy directly to consumers in an ecosystem.

D.
Decomposers break down decayed matter and return the energy to the ecosystem.

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.

2b2t

explanation:

2b2t

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